diff --git a/.dockerignore b/.dockerignore
index ef2e39bfc..8c6bdbdeb 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -2,4 +2,3 @@ target
 Dockerfile
 .dockerignore
 .gitignore
-**/.git
diff --git a/.github/scripts/check-release.sh b/.github/scripts/check-release.sh
index b0b272226..d9cb128b5 100644
--- a/.github/scripts/check-release.sh
+++ b/.github/scripts/check-release.sh
@@ -1,24 +1,41 @@
-#!/bin/bash
+#!/usr/bin/env bash
+set -eu -o pipefail
 
-# check_tag $current_tag $file_tag $file_name
-function check_tag {
-  if [[ "$1" != "$2" ]]; then
-      echo "Error: the current tag does not match the version in Cargo.toml: found $2 - expected $1"
-      ret=1
-  fi
+check_tag() {
+    local expected=$1
+    local actual=$2
+    local filename=$3
+
+    if [[ $actual != $expected ]]; then
+        echo >&2 "Error: the current tag does not match the version in $filename: found $actual, expected $expected"
+        return 1
+    fi
 }
 
+read_version() {
+    grep '^version = ' | cut -d \" -f 2
+}
+
+if [[ -z "${GITHUB_REF:-}" ]]; then
+    echo >&2 "Error: GITHUB_REF is not set"
+    exit 1
+fi
+
+if [[ ! "$GITHUB_REF" =~ ^refs/tags/v[0-9]+\.[0-9]+\.[0-9]+(-[a-z0-9]+)?$ ]]; then
+    echo >&2 "Error: GITHUB_REF is not a valid tag: $GITHUB_REF"
+    exit 1
+fi
+
+current_tag=${GITHUB_REF#refs/tags/v}
 ret=0
-current_tag=${GITHUB_REF#'refs/tags/v'}
 
-file_tag="$(grep '^version = ' Cargo.toml | cut -d '=' -f 2 | tr -d '"' | tr -d ' ')"
-check_tag $current_tag $file_tag
+toml_tag="$(cat Cargo.toml | read_version)"
+check_tag "$current_tag" "$toml_tag" Cargo.toml || ret=1
 
-lock_file='Cargo.lock'
-lock_tag=$(grep -A 1 'name = "meilisearch-auth"' $lock_file | grep version | cut -d '=' -f 2 | tr -d '"' | tr -d ' ')
-check_tag $current_tag $lock_tag $lock_file
+lock_tag=$(grep -A 1 '^name = "meilisearch-auth"' Cargo.lock | read_version)
+check_tag "$current_tag" "$lock_tag" Cargo.lock || ret=1
 
-if [[ "$ret" -eq 0 ]] ; then
-  echo 'OK'
+if (( ret == 0 )); then
+    echo 'OK'
 fi
 exit $ret
diff --git a/.github/workflows/fuzzer-indexing.yml b/.github/workflows/fuzzer-indexing.yml
new file mode 100644
index 000000000..1d01a6ea5
--- /dev/null
+++ b/.github/workflows/fuzzer-indexing.yml
@@ -0,0 +1,24 @@
+name: Run the indexing fuzzer
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  fuzz:
+    name: Setup the action
+    runs-on: ubuntu-latest
+    timeout-minutes: 4320 # 72h
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+
+      # Run benchmarks
+      - name: Run the fuzzer
+        run: |
+          cargo run --release --bin fuzz-indexing
diff --git a/.github/workflows/publish-apt-brew-pkg.yml b/.github/workflows/publish-apt-brew-pkg.yml
index e24d8ccf1..f7ab8666b 100644
--- a/.github/workflows/publish-apt-brew-pkg.yml
+++ b/.github/workflows/publish-apt-brew-pkg.yml
@@ -35,7 +35,7 @@ jobs:
     - name: Build deb package
       run: cargo deb -p meilisearch -o target/debian/meilisearch.deb
     - name: Upload debian pkg to release
-      uses: svenstaro/upload-release-action@2.5.0
+      uses: svenstaro/upload-release-action@2.6.1
       with:
         repo_token: ${{ secrets.MEILI_BOT_GH_PAT }}
         file: target/debian/meilisearch.deb
diff --git a/.github/workflows/publish-binaries.yml b/.github/workflows/publish-binaries.yml
index 76558f3b1..c79176439 100644
--- a/.github/workflows/publish-binaries.yml
+++ b/.github/workflows/publish-binaries.yml
@@ -54,7 +54,7 @@ jobs:
     # No need to upload binaries for dry run (cron)
     - name: Upload binaries to release
       if: github.event_name == 'release'
-      uses: svenstaro/upload-release-action@2.5.0
+      uses: svenstaro/upload-release-action@2.6.1
       with:
         repo_token: ${{ secrets.MEILI_BOT_GH_PAT }}
         file: target/release/meilisearch
@@ -87,7 +87,7 @@ jobs:
     # No need to upload binaries for dry run (cron)
     - name: Upload binaries to release
       if: github.event_name == 'release'
-      uses: svenstaro/upload-release-action@2.5.0
+      uses: svenstaro/upload-release-action@2.6.1
       with:
         repo_token: ${{ secrets.MEILI_BOT_GH_PAT }}
         file: target/release/${{ matrix.artifact_name }}
@@ -121,7 +121,7 @@ jobs:
       - name: Upload the binary to release
         # No need to upload binaries for dry run (cron)
         if: github.event_name == 'release'
-        uses: svenstaro/upload-release-action@2.5.0
+        uses: svenstaro/upload-release-action@2.6.1
         with:
           repo_token: ${{ secrets.MEILI_BOT_GH_PAT }}
           file: target/${{ matrix.target }}/release/meilisearch
@@ -183,7 +183,7 @@ jobs:
       - name: Upload the binary to release
         # No need to upload binaries for dry run (cron)
         if: github.event_name == 'release'
-        uses: svenstaro/upload-release-action@2.5.0
+        uses: svenstaro/upload-release-action@2.6.1
         with:
           repo_token: ${{ secrets.MEILI_BOT_GH_PAT }}
           file: target/${{ matrix.target }}/release/meilisearch
diff --git a/.github/workflows/publish-docker-images.yml b/.github/workflows/publish-docker-images.yml
index fa1f145da..9ceeaaaa4 100644
--- a/.github/workflows/publish-docker-images.yml
+++ b/.github/workflows/publish-docker-images.yml
@@ -58,13 +58,9 @@ jobs:
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
-        with:
-          platforms: linux/amd64,linux/arm64
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
-        with:
-          platforms: linux/amd64,linux/arm64
 
       - name: Login to Docker Hub
         uses: docker/login-action@v2
@@ -92,13 +88,10 @@ jobs:
           push: true
           platforms: linux/amd64,linux/arm64
           tags: ${{ steps.meta.outputs.tags }}
-          builder: ${{ steps.buildx.outputs.name }}
           build-args: |
             COMMIT_SHA=${{ github.sha }}
             COMMIT_DATE=${{ steps.build-metadata.outputs.date }}
             GIT_TAG=${{ github.ref_name }}
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
 
       # /!\ Don't touch this without checking with Cloud team
       - name: Send CI information to Cloud team
diff --git a/.github/workflows/sdks-tests.yml b/.github/workflows/sdks-tests.yml
index 617b446d1..78c45f1b2 100644
--- a/.github/workflows/sdks-tests.yml
+++ b/.github/workflows/sdks-tests.yml
@@ -3,6 +3,11 @@ name: SDKs tests
 
 on:
   workflow_dispatch:
+    inputs:
+      docker_image:
+        description: 'The Meilisearch Docker image used'
+        required: false
+        default: nightly
   schedule:
     - cron: "0 6 * * MON" # Every Monday at 6:00AM
 
@@ -11,13 +16,28 @@ env:
   MEILI_NO_ANALYTICS: 'true'
 
 jobs:
+  define-docker-image:
+    runs-on: ubuntu-latest
+    outputs:
+      docker-image: ${{ steps.define-image.outputs.docker-image }}
+    steps:
+      - uses: actions/checkout@v3
+      - name: Define the Docker image we need to use
+        id: define-image
+        run: |
+          event=${{ github.event_name }}
+          echo "docker-image=nightly" >> $GITHUB_OUTPUT
+          if [[ $event == 'workflow_dispatch' ]]; then
+            echo "docker-image=${{ github.event.inputs.docker_image }}" >> $GITHUB_OUTPUT
+          fi
 
   meilisearch-js-tests:
+    needs: define-docker-image
     name: JS SDK tests
     runs-on: ubuntu-latest
     services:
       meilisearch:
-        image: getmeili/meilisearch:nightly
+        image: getmeili/meilisearch:${{ needs.define-docker-image.outputs.docker-image }}
         env:
           MEILI_MASTER_KEY: ${{ env.MEILI_MASTER_KEY }}
           MEILI_NO_ANALYTICS: ${{ env.MEILI_NO_ANALYTICS }}
@@ -47,11 +67,12 @@ jobs:
         run: yarn test:env:browser
 
   instant-meilisearch-tests:
+    needs: define-docker-image
     name: instant-meilisearch tests
     runs-on: ubuntu-latest
     services:
       meilisearch:
-        image: getmeili/meilisearch:nightly
+        image: getmeili/meilisearch:${{ needs.define-docker-image.outputs.docker-image }}
         env:
           MEILI_MASTER_KEY: ${{ env.MEILI_MASTER_KEY }}
           MEILI_NO_ANALYTICS: ${{ env.MEILI_NO_ANALYTICS }}
@@ -73,11 +94,12 @@ jobs:
         run: yarn build
 
   meilisearch-php-tests:
+    needs: define-docker-image
     name: PHP SDK tests
     runs-on: ubuntu-latest
     services:
       meilisearch:
-        image: getmeili/meilisearch:nightly
+        image: getmeili/meilisearch:${{ needs.define-docker-image.outputs.docker-image }}
         env:
           MEILI_MASTER_KEY: ${{ env.MEILI_MASTER_KEY }}
           MEILI_NO_ANALYTICS: ${{ env.MEILI_NO_ANALYTICS }}
@@ -103,11 +125,12 @@ jobs:
           composer remove --dev guzzlehttp/guzzle http-interop/http-factory-guzzle
 
   meilisearch-python-tests:
+    needs: define-docker-image
     name: Python SDK tests
     runs-on: ubuntu-latest
     services:
       meilisearch:
-        image: getmeili/meilisearch:nightly
+        image: getmeili/meilisearch:${{ needs.define-docker-image.outputs.docker-image }}
         env:
           MEILI_MASTER_KEY: ${{ env.MEILI_MASTER_KEY }}
           MEILI_NO_ANALYTICS: ${{ env.MEILI_NO_ANALYTICS }}
@@ -127,11 +150,12 @@ jobs:
         run: pipenv run pytest
 
   meilisearch-go-tests:
+    needs: define-docker-image
     name: Go SDK tests
     runs-on: ubuntu-latest
     services:
       meilisearch:
-        image: getmeili/meilisearch:nightly
+        image: getmeili/meilisearch:${{ needs.define-docker-image.outputs.docker-image }}
         env:
           MEILI_MASTER_KEY: ${{ env.MEILI_MASTER_KEY }}
           MEILI_NO_ANALYTICS: ${{ env.MEILI_NO_ANALYTICS }}
@@ -139,7 +163,7 @@ jobs:
           - '7700:7700'
     steps:
       - name: Set up Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v4
         with:
           go-version: stable
       - uses: actions/checkout@v3
@@ -156,11 +180,12 @@ jobs:
         run: go test -v ./...
 
   meilisearch-ruby-tests:
+    needs: define-docker-image
     name: Ruby SDK tests
     runs-on: ubuntu-latest
     services:
       meilisearch:
-        image: getmeili/meilisearch:nightly
+        image: getmeili/meilisearch:${{ needs.define-docker-image.outputs.docker-image }}
         env:
           MEILI_MASTER_KEY: ${{ env.MEILI_MASTER_KEY }}
           MEILI_NO_ANALYTICS: ${{ env.MEILI_NO_ANALYTICS }}
@@ -180,11 +205,12 @@ jobs:
         run: bundle exec rspec
 
   meilisearch-rust-tests:
+    needs: define-docker-image
     name: Rust SDK tests
     runs-on: ubuntu-latest
     services:
       meilisearch:
-        image: getmeili/meilisearch:nightly
+        image: getmeili/meilisearch:${{ needs.define-docker-image.outputs.docker-image }}
         env:
           MEILI_MASTER_KEY: ${{ env.MEILI_MASTER_KEY }}
           MEILI_NO_ANALYTICS: ${{ env.MEILI_NO_ANALYTICS }}
diff --git a/.github/workflows/test-suite.yml b/.github/workflows/test-suite.yml
index 5a64feda8..e363d36c8 100644
--- a/.github/workflows/test-suite.yml
+++ b/.github/workflows/test-suite.yml
@@ -43,7 +43,7 @@ jobs:
           toolchain: nightly
           override: true
       - name: Cache dependencies
-        uses: Swatinem/rust-cache@v2.2.1
+        uses: Swatinem/rust-cache@v2.4.0
       - name: Run cargo check without any default features
         uses: actions-rs/cargo@v1
         with:
@@ -65,7 +65,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Cache dependencies
-        uses: Swatinem/rust-cache@v2.2.1
+        uses: Swatinem/rust-cache@v2.4.0
       - name: Run cargo check without any default features
         uses: actions-rs/cargo@v1
         with:
@@ -105,6 +105,29 @@ jobs:
           command: test
           args: --workspace --locked --release --all-features
 
+  test-disabled-tokenization:
+    name: Test disabled tokenization
+    runs-on: ubuntu-latest
+    container:
+      image: ubuntu:18.04
+    if: github.event_name == 'schedule'
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install needed dependencies
+        run: |
+          apt-get update
+          apt-get install --assume-yes build-essential curl
+      - uses: actions-rs/toolchain@v1 
+        with: 
+          toolchain: stable 
+          override: true 
+      - name: Run cargo tree without default features and check lindera is not present
+        run: |
+          cargo tree -f '{p} {f}' -e normal --no-default-features | grep lindera -vqz
+      - name: Run cargo tree with default features and check lindera is pressent
+        run: |
+          cargo tree -f '{p} {f}' -e normal | grep lindera -qz
+                
   # We run tests in debug also, to make sure that the debug_assertions are hit
   test-debug:
     name: Run tests in debug
@@ -123,7 +146,7 @@ jobs:
           toolchain: stable
           override: true
       - name: Cache dependencies
-        uses: Swatinem/rust-cache@v2.2.1
+        uses: Swatinem/rust-cache@v2.4.0
       - name: Run tests in debug
         uses: actions-rs/cargo@v1
         with:
@@ -142,7 +165,7 @@ jobs:
           override: true
           components: clippy
       - name: Cache dependencies
-        uses: Swatinem/rust-cache@v2.2.1
+        uses: Swatinem/rust-cache@v2.4.0
       - name: Run cargo clippy
         uses: actions-rs/cargo@v1
         with:
@@ -161,7 +184,7 @@ jobs:
           override: true
           components: rustfmt
       - name: Cache dependencies
-        uses: Swatinem/rust-cache@v2.2.1
+        uses: Swatinem/rust-cache@v2.4.0
       - name: Run cargo fmt
         # Since we never ran the `build.rs` script in the benchmark directory we are missing one auto-generated import file.
         # Since we want to trigger (and fail) this action as fast as possible, instead of building the benchmark crate
diff --git a/Cargo.lock b/Cargo.lock
index 5f192b6d1..46218fc34 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,19 +4,19 @@ version = 3
 
 [[package]]
 name = "actix-codec"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57a7559404a7f3573127aab53c08ce37a6c6a315c374a31070f3c91cd1b4a7fe"
+checksum = "617a8268e3537fe1d8c9ead925fca49ef6400927ee7bc26750e90ecee14ce4b8"
 dependencies = [
  "bitflags",
  "bytes",
  "futures-core",
  "futures-sink",
- "log",
  "memchr",
  "pin-project-lite",
  "tokio",
  "tokio-util",
+ "tracing",
 ]
 
 [[package]]
@@ -46,7 +46,7 @@ dependencies = [
  "actix-tls",
  "actix-utils",
  "ahash 0.8.3",
- "base64 0.21.0",
+ "base64 0.21.2",
  "bitflags",
  "brotli",
  "bytes",
@@ -110,9 +110,9 @@ dependencies = [
 
 [[package]]
 name = "actix-server"
-version = "2.1.1"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0da34f8e659ea1b077bb4637948b815cd3768ad5a188fdcd74ff4d84240cd824"
+checksum = "3e8613a75dd50cc45f473cee3c34d59ed677c0f7b44480ce3b8247d7dc519327"
 dependencies = [
  "actix-rt",
  "actix-service",
@@ -150,7 +150,7 @@ dependencies = [
  "futures-core",
  "log",
  "pin-project-lite",
- "tokio-rustls",
+ "tokio-rustls 0.23.4",
  "tokio-util",
  "webpki-roots",
 ]
@@ -247,14 +247,13 @@ checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
 [[package]]
 name = "aes"
-version = "0.7.5"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e8b47f52ea9bae42228d07ec09eb676433d7c4ed1ebdf0f1d1c29ed446f1ab8"
+checksum = "433cfd6710c9986c576a25ca913c39d66a6474107b406f34f91d4a8923395241"
 dependencies = [
  "cfg-if",
  "cipher",
  "cpufeatures",
- "opaque-debug",
 ]
 
 [[package]]
@@ -282,9 +281,9 @@ dependencies = [
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.20"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc936419f96fa211c1b9166887b38e5e40b19958e5b895be7c1f93adec7071ac"
+checksum = "67fc08ce920c31afb70f013dcce1bfc3a3195de6a228474e45e1f145b36f8d04"
 dependencies = [
  "memchr",
 ]
@@ -312,53 +311,71 @@ checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299"
 
 [[package]]
 name = "anstream"
-version = "0.2.6"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "342258dd14006105c2b75ab1bd7543a03bdf0cfc94383303ac212a04939dff6f"
+checksum = "0ca84f3628370c59db74ee214b3263d58f9aadd9b4fe7e711fd87dc452b7f163"
 dependencies = [
  "anstyle",
  "anstyle-parse",
+ "anstyle-query",
  "anstyle-wincon",
- "concolor-override",
- "concolor-query",
+ "colorchoice",
  "is-terminal",
  "utf8parse",
 ]
 
 [[package]]
 name = "anstyle"
-version = "0.3.5"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23ea9e81bd02e310c216d080f6223c179012256e5151c41db88d12c88a1684d2"
+checksum = "41ed9a86bf92ae6580e0a31281f65a1b1d867c0cc68d5346e2ae128dddfa6a7d"
 
 [[package]]
 name = "anstyle-parse"
-version = "0.1.1"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7d1bb534e9efed14f3e5f44e7dd1a4f709384023a4165199a4241e18dff0116"
+checksum = "e765fd216e48e067936442276d1d57399e37bce53c264d6fefbe298080cb57ee"
 dependencies = [
  "utf8parse",
 ]
 
 [[package]]
-name = "anstyle-wincon"
-version = "0.2.0"
+name = "anstyle-query"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3127af6145b149f3287bb9a0d10ad9c5692dba8c53ad48285e5bec4063834fa"
+checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
+dependencies = [
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "180abfa45703aebe0093f79badacc01b8fd4ea2e35118747e5811127f926e188"
 dependencies = [
  "anstyle",
- "windows-sys 0.45.0",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
 name = "anyhow"
-version = "1.0.70"
+version = "1.0.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7de8ce5e0f9f8d88245311066a578d72b7af3e7088f32783804676302df237e4"
+checksum = "9c7d0618f0e0b7e8ff11427422b64564d5fb0be1940354bfe2e0529b18a9d9b8"
 dependencies = [
  "backtrace",
 ]
 
+[[package]]
+name = "arbitrary"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2d098ff73c1ca148721f37baad5ea6a465a13f9573aba8641fbbbae8164a54e"
+dependencies = [
+ "derive_arbitrary",
+]
+
 [[package]]
 name = "assert-json-diff"
 version = "2.0.2"
@@ -388,7 +405,7 @@ checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.14",
+ "syn 2.0.18",
 ]
 
 [[package]]
@@ -399,7 +416,7 @@ checksum = "b9ccdd8f2a161be9bd5c023df56f1b2a0bd1d83872ae53b71a84a12c9bf6e842"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.14",
+ "syn 2.0.18",
 ]
 
 [[package]]
@@ -438,8 +455,8 @@ dependencies = [
  "cc",
  "cfg-if",
  "libc",
- "miniz_oxide",
- "object 0.30.2",
+ "miniz_oxide 0.6.2",
+ "object",
  "rustc-demangle",
 ]
 
@@ -451,15 +468,15 @@ checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
 [[package]]
 name = "base64"
-version = "0.21.0"
+version = "0.21.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4a4ddaa51a5bc52a6948f74c06d20aaaddb71924eab79b8c97a8c556e942d6a"
+checksum = "604178f6c5c21f02dc555784810edfb88d34ac2c73b2eae109655649ee73ce3d"
 
 [[package]]
 name = "base64ct"
-version = "1.5.3"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b645a089122eccb6111b4f81cbc1a49f5900ac4666bb93ac027feaecf15607bf"
+checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
 
 [[package]]
 name = "benchmarks"
@@ -504,12 +521,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "bit-vec"
-version = "0.6.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349f9b6a179ed607305526ca489b34ad0a41aed5f7980fa90eb03160b69598fb"
-
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -548,9 +559,9 @@ dependencies = [
 
 [[package]]
 name = "bstr"
-version = "1.4.0"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3d4260bcc2e8fc9df1eac4919a720effeb63a3f0952f5bf4944adfa18897f09"
+checksum = "a246e68bb43f6cd9db24bea052a53e40405417c5fb372e3d1a8a7f770a564ef5"
 dependencies = [
  "memchr",
  "once_cell",
@@ -560,9 +571,9 @@ dependencies = [
 
 [[package]]
 name = "bumpalo"
-version = "3.11.1"
+version = "3.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "572f695136211188308f16ad2ca5c851a712c464060ae6974944458eb83880ba"
+checksum = "a3e2c3daef883ecc1b5d58c15adae93470a91d425f3532ba1695849656af3fc1"
 
 [[package]]
 name = "byte-unit"
@@ -597,7 +608,7 @@ checksum = "fdde5c9cd29ebd706ce1b35600920a33550e402fc998a2e53ad3b42c3c47a192"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.14",
+ "syn 2.0.18",
 ]
 
 [[package]]
@@ -614,9 +625,9 @@ checksum = "89b2fd2a0dcf38d7971e2194b6b6eebab45ae01067456a7fd93d5547a61b70be"
 
 [[package]]
 name = "bytestring"
-version = "1.2.0"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7f83e57d9154148e355404702e2694463241880b939570d7c97c014da7a69a1"
+checksum = "238e4886760d98c4f899360c834fa93e62cf7f721ac3c2da375cbdf4b8679aae"
 dependencies = [
  "bytes",
 ]
@@ -718,9 +729,9 @@ dependencies = [
 
 [[package]]
 name = "ciborium"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0c137568cc60b904a7724001b35ce2630fd00d5d84805fbb608ab89509d788f"
+checksum = "effd91f6c78e5a4ace8a5d3c0b6bfaec9e2baaef55f3efc00e45fb2e477ee926"
 dependencies = [
  "ciborium-io",
  "ciborium-ll",
@@ -729,15 +740,15 @@ dependencies = [
 
 [[package]]
 name = "ciborium-io"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "346de753af073cc87b52b2083a506b38ac176a44cfb05497b622e27be899b369"
+checksum = "cdf919175532b369853f5d5e20b26b43112613fd6fe7aee757e35f7a44642656"
 
 [[package]]
 name = "ciborium-ll"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "213030a2b5a4e0c0892b6652260cf6ccac84827b83a85a534e178e3906c4cf1b"
+checksum = "defaa24ecc093c77630e6c15e17c51f5e187bf35ee514f4e2d67baaa96dae22b"
 dependencies = [
  "ciborium-io",
  "half",
@@ -745,18 +756,19 @@ dependencies = [
 
 [[package]]
 name = "cipher"
-version = "0.3.0"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ee52072ec15386f770805afd189a01c8841be8696bed250fa2f13c4c0d6dfb7"
+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
 dependencies = [
- "generic-array",
+ "crypto-common",
+ "inout",
 ]
 
 [[package]]
 name = "clap"
-version = "3.2.23"
+version = "3.2.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71655c45cb9845d3270c9d6df84ebe72b4dad3c2ba3f7023ad47c144e4e473a5"
+checksum = "4ea181bf566f71cb9a5d17a59e1871af638180a18fb0035c92ae62b705207123"
 dependencies = [
  "bitflags",
  "clap_lex 0.2.4",
@@ -766,9 +778,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.2.1"
+version = "4.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "046ae530c528f252094e4a77886ee1374437744b2bff1497aa898bbddbbb29b3"
+checksum = "93aae7a4192245f70fe75dd9157fc7b4a5bf53e88d30bd4396f7d8f9284d5acc"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -777,27 +789,27 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.2.1"
+version = "4.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "223163f58c9a40c3b0a43e1c4b50a9ce09f007ea2cb1ec258a687945b4b7929f"
+checksum = "4f423e341edefb78c9caba2d9c7f7687d0e72e89df3ce3394554754393ac3990"
 dependencies = [
  "anstream",
  "anstyle",
  "bitflags",
- "clap_lex 0.4.1",
+ "clap_lex 0.5.0",
  "strsim",
 ]
 
 [[package]]
 name = "clap_derive"
-version = "4.2.0"
+version = "4.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f9644cd56d6b87dbe899ef8b053e331c0637664e9e21a33dfcdc36093f5c5c4"
+checksum = "191d9573962933b4027f932c600cd252ce27a8ad5979418fe78e43c07996f27b"
 dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.14",
+ "syn 2.0.18",
 ]
 
 [[package]]
@@ -811,9 +823,15 @@ dependencies = [
 
 [[package]]
 name = "clap_lex"
-version = "0.4.1"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a2dd5a6fe8c6e3502f568a6353e5273bbb15193ad9a89e457b9970798efbea1"
+checksum = "2da6da31387c7e4ef160ffab6d5e7f00c42626fe39aea70a7b0f1773f7dd6c1b"
+
+[[package]]
+name = "colorchoice"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
 
 [[package]]
 name = "concat-arrays"
@@ -826,31 +844,16 @@ dependencies = [
  "syn 1.0.109",
 ]
 
-[[package]]
-name = "concolor-override"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a855d4a1978dc52fb0536a04d384c2c0c1aa273597f08b77c8c4d3b2eec6037f"
-
-[[package]]
-name = "concolor-query"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "88d11d52c3d7ca2e6d0040212be9e4dbbcd78b6447f535b6b561f449427944cf"
-dependencies = [
- "windows-sys 0.45.0",
-]
-
 [[package]]
 name = "console"
-version = "0.15.5"
+version = "0.15.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3d79fbe8970a77e3e34151cc13d3b3e248aa0faaecb9f6091fa07ebefe5ad60"
+checksum = "c926e00cc70edefdc64d3a5ff31cc65bb97a3460097762bd23afb4d8145fccf8"
 dependencies = [
  "encode_unicode",
  "lazy_static",
  "libc",
- "windows-sys 0.42.0",
+ "windows-sys 0.45.0",
 ]
 
 [[package]]
@@ -905,9 +908,9 @@ checksum = "79bb3adfaf5f75d24b01aee375f7555907840fa2800e5ec8fa3b9e2031830173"
 
 [[package]]
 name = "cpufeatures"
-version = "0.2.6"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "280a9f2d8b3a38871a3c8a46fb80db65e5e5ed97da80c4d08bf27fb63e35e181"
+checksum = "3e4c1eaa2012c47becbbad2ab175484c2a84d1185b566fb2cc5b8707343dfe58"
 dependencies = [
  "libc",
 ]
@@ -931,7 +934,7 @@ dependencies = [
  "atty",
  "cast",
  "ciborium",
- "clap 3.2.23",
+ "clap 3.2.25",
  "criterion-plot",
  "itertools",
  "lazy_static",
@@ -1096,6 +1099,17 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "derive_arbitrary"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3cdeb9ec472d588e539a818b2dee436825730da08ad0017c4b1a17676bdc8b7"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "derive_builder"
 version = "0.12.0"
@@ -1177,9 +1191,9 @@ checksum = "8c1bba4f227a4a53d12b653f50ca7bf10c9119ae2aba56aff9e0338b5c98f36a"
 
 [[package]]
 name = "digest"
-version = "0.10.6"
+version = "0.10.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
  "block-buffer",
  "crypto-common",
@@ -1229,7 +1243,7 @@ dependencies = [
  "tempfile",
  "thiserror",
  "time",
- "uuid 1.3.1",
+ "uuid 1.3.3",
 ]
 
 [[package]]
@@ -1331,22 +1345,22 @@ dependencies = [
 
 [[package]]
 name = "enum-iterator"
-version = "1.4.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "706d9e7cf1c7664859d79cd524e4e53ea2b67ea03c98cc2870c5e539695d597e"
+checksum = "7add3873b5dd076766ee79c8e406ad1a472c385476b9e38849f8eec24f1be689"
 dependencies = [
  "enum-iterator-derive",
 ]
 
 [[package]]
 name = "enum-iterator-derive"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "355f93763ef7b0ae1c43c4d8eccc9d5848d84ad1a1d8ce61c421d1ac85a19d05"
+checksum = "eecf8589574ce9b895052fa12d69af7a233f99e6107f5cb8dd1044f2a17bfdcb"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.18",
 ]
 
 [[package]]
@@ -1362,17 +1376,6 @@ dependencies = [
  "termcolor",
 ]
 
-[[package]]
-name = "errno"
-version = "0.2.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f639046355ee4f37944e44f60642c6f3a7efa3cf6b78c78a0d989a8ce6c396a1"
-dependencies = [
- "errno-dragonfly",
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "errno"
 version = "0.3.1"
@@ -1433,19 +1436,19 @@ dependencies = [
  "faux",
  "tempfile",
  "thiserror",
- "uuid 1.3.1",
+ "uuid 1.3.3",
 ]
 
 [[package]]
 name = "filetime"
-version = "0.2.19"
+version = "0.2.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e884668cd0c7480504233e951174ddc3b382f7c2666e3b7310b5c4e7b0c37f9"
+checksum = "5cbc844cecaee9d4443931972e1289c8ff485cb4cc2767cb03ca139ed6885153"
 dependencies = [
  "cfg-if",
  "libc",
  "redox_syscall 0.2.16",
- "windows-sys 0.42.0",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -1465,13 +1468,12 @@ checksum = "8fcfdc7a0362c9f4444381a9e697c79d435fe65b52a37466fc2c1184cee9edc6"
 
 [[package]]
 name = "flate2"
-version = "1.0.25"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a8a2db397cb1c8772f31494cb8917e48cd1e64f0fa7efac59fbd741a0a8ce841"
+checksum = "3b9429470923de8e8cbd4d2dc513535400b4b3fef0319fb5c4e1f520a7bef743"
 dependencies = [
  "crc32fast",
- "libz-sys",
- "miniz_oxide",
+ "miniz_oxide 0.7.1",
 ]
 
 [[package]]
@@ -1559,7 +1561,7 @@ checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.14",
+ "syn 2.0.18",
 ]
 
 [[package]]
@@ -1593,47 +1595,16 @@ dependencies = [
 ]
 
 [[package]]
-name = "fuzzcheck"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee76e8096c3fcd82ab23177edddcc9b81b72c123caab54bb1e2dc19fd09d2dec"
+name = "fuzzers"
+version = "1.2.0"
 dependencies = [
- "ahash 0.7.6",
- "bit-vec",
- "cc",
- "cfg-if",
+ "arbitrary",
+ "clap 4.3.0",
  "fastrand",
- "flate2",
- "fuzzcheck_common",
- "fuzzcheck_mutators_derive",
- "getopts",
- "libc",
- "md5",
- "nu-ansi-term",
- "object 0.27.1",
- "regex-syntax",
+ "milli",
  "serde",
  "serde_json",
-]
-
-[[package]]
-name = "fuzzcheck_common"
-version = "0.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dde06f8d25b14a35d43eb2d3dbace3b9193424460b10ad4ccf1b3d542d48f06f"
-dependencies = [
- "getopts",
-]
-
-[[package]]
-name = "fuzzcheck_mutators_derive"
-version = "0.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30ce01e8bbb3e7e0758dcf907fe799f5998a54368963f766ae94b84624ba60c8"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
+ "tempfile",
 ]
 
 [[package]]
@@ -1661,20 +1632,11 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "36d244a08113319b5ebcabad2b8b7925732d15eec46d7e7ac3c11734f3b7a6ad"
 
-[[package]]
-name = "getopts"
-version = "0.2.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14dbbfd5c71d70241ecf9e6f13737f7b5ce823821063188d7e46c41d371eebd5"
-dependencies = [
- "unicode-width",
-]
-
 [[package]]
 name = "getrandom"
-version = "0.2.8"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c05aeb6a22b8f62540c194aac980f2115af067bfe15a0734d7277a768d396b31"
+checksum = "c85e1d9ab2eadba7e5040d4e09cbd6d072b76a557ad64e797c2cb9d4da21d7e4"
 dependencies = [
  "cfg-if",
  "libc",
@@ -1695,9 +1657,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.0"
+version = "0.27.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dec7af912d60cdbd3677c1af9352ebae6fb8394d165568a2234df0fa00f87793"
+checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
 
 [[package]]
 name = "git2"
@@ -1731,9 +1693,9 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.3.17"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "66b91535aa35fea1523ad1b86cb6b53c28e0ae566ba4a460f4457e936cad7c6f"
+checksum = "d357c7ae988e7d2182f7d7871d0b963962420b0678b0997ce7de72001aeab782"
 dependencies = [
  "bytes",
  "fnv",
@@ -1794,7 +1756,7 @@ checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
 [[package]]
 name = "heed"
 version = "0.12.5"
-source = "git+https://github.com/meilisearch/heed?tag=v0.12.5#4158a6c484752afaaf9e2530a6ee0e7ab0f24ee8"
+source = "git+https://github.com/meilisearch/heed?tag=v0.12.6#8c5b94225fc949c02bb7b900cc50ffaf6b584b1e"
 dependencies = [
  "byteorder",
  "heed-traits",
@@ -1811,12 +1773,12 @@ dependencies = [
 [[package]]
 name = "heed-traits"
 version = "0.7.0"
-source = "git+https://github.com/meilisearch/heed?tag=v0.12.5#4158a6c484752afaaf9e2530a6ee0e7ab0f24ee8"
+source = "git+https://github.com/meilisearch/heed?tag=v0.12.6#8c5b94225fc949c02bb7b900cc50ffaf6b584b1e"
 
 [[package]]
 name = "heed-types"
 version = "0.7.2"
-source = "git+https://github.com/meilisearch/heed?tag=v0.12.5#4158a6c484752afaaf9e2530a6ee0e7ab0f24ee8"
+source = "git+https://github.com/meilisearch/heed?tag=v0.12.6#8c5b94225fc949c02bb7b900cc50ffaf6b584b1e"
 dependencies = [
  "bincode",
  "heed-traits",
@@ -1906,9 +1868,9 @@ checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
 [[package]]
 name = "hyper"
-version = "0.14.25"
+version = "0.14.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc5e554ff619822309ffd57d8734d77cd5ce6238bc956f037ea06c58238c9899"
+checksum = "ab302d72a6f11a3b910431ff93aae7e773078c769f0a3ef15fb9ec692ed147d4"
 dependencies = [
  "bytes",
  "futures-channel",
@@ -1930,15 +1892,15 @@ dependencies = [
 
 [[package]]
 name = "hyper-rustls"
-version = "0.23.2"
+version = "0.24.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1788965e61b367cd03a62950836d5cd41560c3577d90e40e0819373194d1661c"
+checksum = "0646026eb1b3eea4cd9ba47912ea5ce9cc07713d105b1a14698f4e6433d348b7"
 dependencies = [
  "http",
  "hyper",
- "rustls",
+ "rustls 0.21.1",
  "tokio",
- "tokio-rustls",
+ "tokio-rustls 0.24.0",
 ]
 
 [[package]]
@@ -1984,7 +1946,7 @@ dependencies = [
  "tempfile",
  "thiserror",
  "time",
- "uuid 1.3.1",
+ "uuid 1.3.3",
 ]
 
 [[package]]
@@ -1998,6 +1960,15 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "inout"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a0c10553d664a4d0bcff9f4215d0aac67a639cc68ef660840afe309b807bc9f5"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "insta"
 version = "1.29.0"
@@ -2025,9 +1996,9 @@ dependencies = [
 
 [[package]]
 name = "io-lifetimes"
-version = "1.0.10"
+version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c66c74d2ae7e79a5a8f7ac924adbe38ee42a859c6539ad869eb51f0b52dc220"
+checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2"
 dependencies = [
  "hermit-abi 0.3.1",
  "libc",
@@ -2059,7 +2030,7 @@ checksum = "adcf93614601c8129ddf72e2d5633df827ba6551541c6d8c59520a371475be1f"
 dependencies = [
  "hermit-abi 0.3.1",
  "io-lifetimes",
- "rustix 0.37.11",
+ "rustix 0.37.19",
  "windows-sys 0.48.0",
 ]
 
@@ -2104,9 +2075,9 @@ dependencies = [
 
 [[package]]
 name = "js-sys"
-version = "0.3.60"
+version = "0.3.63"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49409df3e3bf0856b916e2ceaca09ee28e6871cf7d9ce97a692cacfdb2a25a47"
+checksum = "2f37a4a5928311ac501dee68b3c7613a1037d0edb30c8e5427bd832d55d1b790"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -2125,7 +2096,7 @@ version = "8.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6971da4d9c3aa03c3d8f3ff0f4155b534aad021292003895a469716b2a230378"
 dependencies = [
- "base64 0.21.0",
+ "base64 0.21.2",
  "pem",
  "ring",
  "serde",
@@ -2165,9 +2136,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.141"
+version = "0.2.144"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3304a64d199bb964be99741b7a14d26972741915b3649639149b2479bb46f4b5"
+checksum = "2b00cc1c228a6782d0f076e7b232802e0c5689d41bb5df366f2a6b6621cfdfe1"
 
 [[package]]
 name = "libgit2-sys"
@@ -2183,15 +2154,15 @@ dependencies = [
 
 [[package]]
 name = "libm"
-version = "0.2.6"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "348108ab3fba42ec82ff6e9564fc4ca0247bdccdc68dd8af9764bbc79c3c8ffb"
+checksum = "f7012b1bbb0719e1097c47611d3898568c546d597c2e74d66f6087edd5233ff4"
 
 [[package]]
 name = "libmimalloc-sys"
-version = "0.1.32"
+version = "0.1.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43a558e3d911bc3c7bfc8c78bc580b404d6e51c1cefbf656e176a94b49b0df40"
+checksum = "f4ac0e912c8ef1b735e92369695618dc5b1819f5a7bf3f167301a3ba1cea515e"
 dependencies = [
  "cc",
  "libc",
@@ -2199,9 +2170,9 @@ dependencies = [
 
 [[package]]
 name = "libz-sys"
-version = "1.1.8"
+version = "1.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9702761c3935f8cc2f101793272e202c72b99da8f4224a19ddcf1279a6450bbf"
+checksum = "56ee889ecc9568871456d42f603d6a0ce59ff328d291063a45cbdf0036baf6db"
 dependencies = [
  "cc",
  "libc",
@@ -2440,9 +2411,9 @@ checksum = "f051f77a7c8e6957c0696eac88f26b0117e54f52d3fc682ab19397a8812846a4"
 
 [[package]]
 name = "linux-raw-sys"
-version = "0.3.1"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d59d8c75012853d2e872fb56bc8a2e53718e2cafe1a4c823143141c6d90c322f"
+checksum = "ef53942eb7bf7ff43a617b3e2c1c4a5ecf5944a7c1bc12d7ee39bbb15e5c1519"
 
 [[package]]
 name = "lmdb-rkv-sys"
@@ -2484,12 +2455,9 @@ dependencies = [
 
 [[package]]
 name = "log"
-version = "0.4.17"
+version = "0.4.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
-dependencies = [
- "cfg-if",
-]
+checksum = "518ef76f2f87365916b142844c16d8fefd85039bc5699050210a7778ee1cd1de"
 
 [[package]]
 name = "logging_timer"
@@ -2515,14 +2483,14 @@ dependencies = [
 
 [[package]]
 name = "manifest-dir-macros"
-version = "0.1.16"
+version = "0.1.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f08150cf2bab1fc47c2196f4f41173a27fcd0f684165e5458c0046b53a472e2f"
+checksum = "450e5ef583bc05177c4975b9ea907047091a9f62e74e81fcafb99dbffac51e7e"
 dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.18",
 ]
 
 [[package]]
@@ -2566,7 +2534,7 @@ dependencies = [
  "byte-unit",
  "bytes",
  "cargo_toml",
- "clap 4.2.1",
+ "clap 4.3.0",
  "crossbeam-channel",
  "deserr",
  "dump",
@@ -2605,7 +2573,7 @@ dependencies = [
  "rayon",
  "regex",
  "reqwest",
- "rustls",
+ "rustls 0.20.8",
  "rustls-pemfile",
  "segment",
  "serde",
@@ -2627,7 +2595,7 @@ dependencies = [
  "tokio-stream",
  "toml",
  "urlencoding",
- "uuid 1.3.1",
+ "uuid 1.3.3",
  "vergen",
  "walkdir",
  "yaup",
@@ -2638,7 +2606,7 @@ dependencies = [
 name = "meilisearch-auth"
 version = "1.2.0"
 dependencies = [
- "base64 0.21.0",
+ "base64 0.21.2",
  "enum-iterator",
  "hmac",
  "maplit",
@@ -2650,7 +2618,7 @@ dependencies = [
  "sha2",
  "thiserror",
  "time",
- "uuid 1.3.1",
+ "uuid 1.3.3",
 ]
 
 [[package]]
@@ -2680,7 +2648,7 @@ dependencies = [
  "thiserror",
  "time",
  "tokio",
- "uuid 1.3.1",
+ "uuid 1.3.3",
 ]
 
 [[package]]
@@ -2725,7 +2693,6 @@ dependencies = [
  "filter-parser",
  "flatten-serde-json",
  "fst",
- "fuzzcheck",
  "fxhash",
  "geoutils",
  "grenad",
@@ -2756,14 +2723,14 @@ dependencies = [
  "tempfile",
  "thiserror",
  "time",
- "uuid 1.3.1",
+ "uuid 1.3.3",
 ]
 
 [[package]]
 name = "mimalloc"
-version = "0.1.36"
+version = "0.1.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d88dad3f985ec267a3fcb7a1726f5cb1a7e8cad8b646e70a84f967210df23da"
+checksum = "4e2894987a3459f3ffb755608bd82188f8ed00d0ae077f1edea29c068d639d98"
 dependencies = [
  "libmimalloc-sys",
 ]
@@ -2800,15 +2767,24 @@ dependencies = [
 ]
 
 [[package]]
-name = "mio"
-version = "0.8.6"
+name = "miniz_oxide"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b9d9a46eff5b4ff64b45a9e316a6d1e0bc719ef429cbec4dc630684212bfdf9"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
+dependencies = [
+ "adler",
+]
+
+[[package]]
+name = "mio"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eebffdb73fe72e917997fad08bdbf31ac50b0fa91cec93e69a0662e4264d454c"
 dependencies = [
  "libc",
  "log",
  "wasi",
- "windows-sys 0.45.0",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -2839,23 +2815,13 @@ dependencies = [
 
 [[package]]
 name = "ntapi"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc51db7b362b205941f71232e56c625156eb9a929f8cf74a428fd5bc094a4afc"
+checksum = "e8a3895c6391c39d7fe7ebc444a87eb2991b2a0bc718fdabd071eec617fc68e4"
 dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "nu-ansi-term"
-version = "0.39.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e62e2187cbceeafee9fb7b5e5e182623e0628ebf430a479df4487beb8f92fd7a"
-dependencies = [
- "overload",
- "winapi",
-]
-
 [[package]]
 name = "num-bigint"
 version = "0.4.3"
@@ -2899,18 +2865,9 @@ dependencies = [
 
 [[package]]
 name = "object"
-version = "0.27.1"
+version = "0.30.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67ac1d3f9a1d3616fd9a60c8d74296f22406a238b6a72f5cc1e6f314df4ffbf9"
-dependencies = [
- "memchr",
-]
-
-[[package]]
-name = "object"
-version = "0.30.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b8c786513eb403643f2a88c244c2aaa270ef2153f55094587d0c48a3cf22a83"
+checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
 dependencies = [
  "memchr",
 ]
@@ -2933,17 +2890,11 @@ version = "11.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ab1bc2a289d34bd04a330323ac98a1b4bc82c9d9fcb1e66b63caa84da26b575"
 
-[[package]]
-name = "opaque-debug"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
-
 [[package]]
 name = "ordered-float"
-version = "3.6.0"
+version = "3.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13a384337e997e6860ffbaa83708b2ef329fd8c54cb67a5f64d421e0f943254f"
+checksum = "2fc2dbde8f8a79f2102cc474ceb0ad68e3b80b85289ea62389b60e66777e4213"
 dependencies = [
  "num-traits",
 ]
@@ -2954,12 +2905,6 @@ version = "6.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ceedf44fb00f2d1984b0bc98102627ce622e083e49a5bacdb3e514fa4238e267"
 
-[[package]]
-name = "overload"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
-
 [[package]]
 name = "page_size"
 version = "0.4.2"
@@ -3049,9 +2994,9 @@ dependencies = [
 
 [[package]]
 name = "pem"
-version = "1.1.0"
+version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03c64931a1a212348ec4f3b4362585eca7159d0d09cbdf4a7f74f02173596fd4"
+checksum = "a8835c273a76a90455d7344889b0964598e3316e2a79ede8e36f16bdcf2228b8"
 dependencies = [
  "base64 0.13.1",
 ]
@@ -3072,9 +3017,9 @@ dependencies = [
 
 [[package]]
 name = "pest"
-version = "2.5.7"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b1403e8401ad5dedea73c626b99758535b342502f8d1e361f4a2dd952749122"
+checksum = "e68e84bfb01f0507134eac1e9b410a12ba379d064eab48c50ba4ce329a527b70"
 dependencies = [
  "thiserror",
  "ucd-trie",
@@ -3082,9 +3027,9 @@ dependencies = [
 
 [[package]]
 name = "pest_derive"
-version = "2.5.7"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be99c4c1d2fc2769b1d00239431d711d08f6efedcecb8b6e30707160aee99c15"
+checksum = "6b79d4c71c865a25a4322296122e3924d30bc8ee0834c8bfc8b95f7f054afbfb"
 dependencies = [
  "pest",
  "pest_generator",
@@ -3092,22 +3037,22 @@ dependencies = [
 
 [[package]]
 name = "pest_generator"
-version = "2.5.7"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e56094789873daa36164de2e822b3888c6ae4b4f9da555a1103587658c805b1e"
+checksum = "6c435bf1076437b851ebc8edc3a18442796b30f1728ffea6262d59bbe28b077e"
 dependencies = [
  "pest",
  "pest_meta",
  "proc-macro2",
  "quote",
- "syn 2.0.14",
+ "syn 2.0.18",
 ]
 
 [[package]]
 name = "pest_meta"
-version = "2.5.7"
+version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6733073c7cff3d8459fda0e42f13a047870242aed8b509fe98000928975f359e"
+checksum = "745a452f8eb71e39ffd8ee32b3c5f51d03845f99786fa9b68db6ff509c505411"
 dependencies = [
  "once_cell",
  "pest",
@@ -3172,9 +3117,9 @@ checksum = "3bd12336e3afa34152e002f57df37a7056778daa59ea542b3473b87f5fb260c4"
 
 [[package]]
 name = "pkg-config"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160"
+checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964"
 
 [[package]]
 name = "platform-dirs"
@@ -3245,9 +3190,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.59"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "6aeca18b86b413c660b781aa319e4e2648a3e6f9eadc9b47e9038e6fe9f3451b"
 dependencies = [
  "unicode-ident",
 ]
@@ -3262,7 +3207,7 @@ dependencies = [
  "byteorder",
  "hex",
  "lazy_static",
- "rustix 0.36.11",
+ "rustix 0.36.14",
 ]
 
 [[package]]
@@ -3290,9 +3235,9 @@ checksum = "106dd99e98437432fed6519dedecfade6a06a73bb7b2a1e019fdd2bee5778d94"
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "1b9ab9c7eadfd8df19006f1cf1a4aed13540ed5cbc047010ece5826e10825488"
 dependencies = [
  "proc-macro2",
 ]
@@ -3380,9 +3325,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.7.3"
+version = "1.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b1f693b24f6ac912f4893ef08244d70b6067480d2f1a46e950c9691e6749d1d"
+checksum = "81ca098a9821bd52d6b24fd8b10bd081f47d39c22778cafaa75a2857a62c6390"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -3397,17 +3342,17 @@ checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.29"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
+checksum = "436b050e76ed2903236f032a59761c1eb99e1b0aead2c257922771dab1fc8c78"
 
 [[package]]
 name = "reqwest"
-version = "0.11.16"
+version = "0.11.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "27b71749df584b7f4cac2c426c127a7c785a5106cc98f7a8feb044115f0fa254"
+checksum = "cde824a14b7c14f85caff81225f411faacc04a2013f41670f41443742b1c1c55"
 dependencies = [
- "base64 0.21.0",
+ "base64 0.21.2",
  "bytes",
  "encoding_rs",
  "futures-core",
@@ -3424,13 +3369,13 @@ dependencies = [
  "once_cell",
  "percent-encoding",
  "pin-project-lite",
- "rustls",
+ "rustls 0.21.1",
  "rustls-pemfile",
  "serde",
  "serde_json",
  "serde_urlencoded",
  "tokio",
- "tokio-rustls",
+ "tokio-rustls 0.24.0",
  "tower-service",
  "url",
  "wasm-bindgen",
@@ -3487,9 +3432,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-demangle"
-version = "0.1.21"
+version = "0.1.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
+checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
 
 [[package]]
 name = "rustc_version"
@@ -3502,12 +3447,12 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "0.36.11"
+version = "0.36.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db4165c9963ab29e422d6c26fbc1d37f15bace6b2810221f9d925023480fcf0e"
+checksum = "14e4d67015953998ad0eb82887a0eb0129e18a7e2f3b7b0f6c422fddcd503d62"
 dependencies = [
  "bitflags",
- "errno 0.2.8",
+ "errno",
  "io-lifetimes",
  "libc",
  "linux-raw-sys 0.1.4",
@@ -3516,15 +3461,15 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "0.37.11"
+version = "0.37.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85597d61f83914ddeba6a47b3b8ffe7365107221c2e557ed94426489fefb5f77"
+checksum = "acf8729d8542766f1b2cf77eb034d52f40d375bb8b615d0b147089946e16613d"
 dependencies = [
  "bitflags",
- "errno 0.3.1",
+ "errno",
  "io-lifetimes",
  "libc",
- "linux-raw-sys 0.3.1",
+ "linux-raw-sys 0.3.8",
  "windows-sys 0.48.0",
 ]
 
@@ -3540,13 +3485,35 @@ dependencies = [
  "webpki",
 ]
 
+[[package]]
+name = "rustls"
+version = "0.21.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c911ba11bc8433e811ce56fde130ccf32f5127cab0e0194e9c68c5a5b671791e"
+dependencies = [
+ "log",
+ "ring",
+ "rustls-webpki",
+ "sct",
+]
+
 [[package]]
 name = "rustls-pemfile"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d194b56d58803a43635bdc398cd17e383d6f71f9182b9a192c127ca42494a59b"
 dependencies = [
- "base64 0.21.0",
+ "base64 0.21.2",
+]
+
+[[package]]
+name = "rustls-webpki"
+version = "0.100.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6207cd5ed3d8dca7816f8f3725513a34609c0c765bf652b8c3cb4cfd87db46b"
+dependencies = [
+ "ring",
+ "untrusted",
 ]
 
 [[package]]
@@ -3608,9 +3575,9 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.163"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "2113ab51b87a539ae008b5c6c02dc020ffa39afd2d83cffcb3f4eb2722cebec2"
 dependencies = [
  "serde_derive",
 ]
@@ -3626,20 +3593,20 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.163"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "8c805777e3930c8883389c602315a24224bcc738b63905ef87cd1420353ea93e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.14",
+ "syn 2.0.18",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.95"
+version = "1.0.96"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d721eca97ac802aa7777b701877c8004d950fc142651367300d21c1cc0194744"
+checksum = "057d394a50403bcac12672b2b18fb387ab6d289d957dab67dd201875391e52f1"
 dependencies = [
  "indexmap",
  "itoa",
@@ -3649,9 +3616,9 @@ dependencies = [
 
 [[package]]
 name = "serde_spanned"
-version = "0.6.1"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0efd8caf556a6cebd3b285caf480045fcc1ac04f6bd786b09a6f11af30c4fcf4"
+checksum = "93107647184f6027e3b7dcb2e11034cf95ffa1e3a682c67951963ac69c1c007d"
 dependencies = [
  "serde",
 ]
@@ -3745,9 +3712,9 @@ dependencies = [
 
 [[package]]
 name = "slice-group-by"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03b634d87b960ab1a38c4fe143b508576f075e7c978bfad18217645ebfdfa2ec"
+checksum = "826167069c09b99d56f31e9ae5c99049e932a98c9dc2dac47645b08dbbf76ba7"
 
 [[package]]
 name = "smallstr"
@@ -3832,9 +3799,9 @@ checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
 [[package]]
 name = "subtle"
-version = "2.4.1"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
+checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
 
 [[package]]
 name = "syn"
@@ -3849,9 +3816,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.14"
+version = "2.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fcf316d5356ed6847742d036f8a39c3b8435cac10bd528a4bd461928a6ab34d5"
+checksum = "32d41677bcbe24c20c52e7c70b0d8db04134c5d1066bf98662e2871ad200ea3e"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3907,9 +3874,9 @@ dependencies = [
 
 [[package]]
 name = "temp-env"
-version = "0.3.3"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ee95b343d943e5a0d2221fb73029e8040f3c91d6d06afec86c664682a361681"
+checksum = "9547444bfe52cbd79515c6c8087d8ae6ca8d64d2d31a27746320f5cb81d1a15c"
 dependencies = [
  "parking_lot",
 ]
@@ -3923,7 +3890,7 @@ dependencies = [
  "cfg-if",
  "fastrand",
  "redox_syscall 0.3.5",
- "rustix 0.37.11",
+ "rustix 0.37.19",
  "windows-sys 0.45.0",
 ]
 
@@ -3959,14 +3926,14 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.14",
+ "syn 2.0.18",
 ]
 
 [[package]]
 name = "time"
-version = "0.3.20"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd0cbfecb4d19b5ea75bb31ad904eb5b9fa13f21079c3b92017ebdf4999a5890"
+checksum = "8f3403384eaacbca9923fa06940178ac13e4edb725486d70e8e15881d0c836cc"
 dependencies = [
  "itoa",
  "serde",
@@ -3976,15 +3943,15 @@ dependencies = [
 
 [[package]]
 name = "time-core"
-version = "0.1.0"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e153e1f1acaef8acc537e68b44906d2db6436e2b35ac2c6b42640fff91f00fd"
+checksum = "7300fbefb4dadc1af235a9cef3737cea692a9d97e1b9cbcd4ebdae6f8868e6fb"
 
 [[package]]
 name = "time-macros"
-version = "0.2.8"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd80a657e71da814b8e5d60d3374fc6d35045062245d80224748ae522dd76f36"
+checksum = "372950940a5f07bf38dbe211d7283c9e6d7327df53794992d293e534c733d09b"
 dependencies = [
  "time-core",
 ]
@@ -4016,9 +3983,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.27.0"
+version = "1.28.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0de47a4eecbe11f498978a9b29d792f0d2692d1dd003650c24c76510e3bc001"
+checksum = "94d7b1cfd2aa4011f2de74c2c4c63665e27a71006b0a192dcd2710272e73dfa2"
 dependencies = [
  "autocfg",
  "bytes",
@@ -4030,18 +3997,18 @@ dependencies = [
  "signal-hook-registry",
  "socket2",
  "tokio-macros",
- "windows-sys 0.45.0",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
 name = "tokio-macros"
-version = "2.0.0"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61a573bdc87985e9d6ddeed1b3d864e8a302c847e40d647746df2f1de209d1ce"
+checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.14",
+ "syn 2.0.18",
 ]
 
 [[package]]
@@ -4050,16 +4017,26 @@ version = "0.23.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c43ee83903113e03984cb9e5cebe6c04a5116269e900e3ddba8f068a62adda59"
 dependencies = [
- "rustls",
+ "rustls 0.20.8",
  "tokio",
  "webpki",
 ]
 
 [[package]]
-name = "tokio-stream"
-version = "0.1.12"
+name = "tokio-rustls"
+version = "0.24.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fb52b74f05dbf495a8fba459fdc331812b96aa086d9eb78101fa0d4569c3313"
+checksum = "e0d409377ff5b1e3ca6437aa86c1eb7d40c134bfec254e44c830defa92669db5"
+dependencies = [
+ "rustls 0.21.1",
+ "tokio",
+]
+
+[[package]]
+name = "tokio-stream"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "397c988d37662c7dda6d2208364a706264bf3d6138b11d436cbac0ad38832842"
 dependencies = [
  "futures-core",
  "pin-project-lite",
@@ -4068,9 +4045,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-util"
-version = "0.7.7"
+version = "0.7.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5427d89453009325de0d8f342c9490009f76e999cb7672d77e46267448f7e6b2"
+checksum = "806fe8c2c87eccc8b3267cbae29ed3ab2d0bd37fca70ab622e46aaa9375ddb7d"
 dependencies = [
  "bytes",
  "futures-core",
@@ -4082,9 +4059,9 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.7.3"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b403acf6f2bb0859c93c7f0d967cb4a75a7ac552100f9322faf64dc047669b21"
+checksum = "d6135d499e69981f9ff0ef2167955a5333c35e36f6937d382974566b3d5b94ec"
 dependencies = [
  "serde",
  "serde_spanned",
@@ -4094,18 +4071,18 @@ dependencies = [
 
 [[package]]
 name = "toml_datetime"
-version = "0.6.1"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ab8ed2edee10b50132aed5f331333428b011c99402b5a534154ed15746f9622"
+checksum = "5a76a9312f5ba4c2dec6b9161fdf25d87ad8a09256ccea5a556fef03c706a10f"
 dependencies = [
  "serde",
 ]
 
 [[package]]
 name = "toml_edit"
-version = "0.19.8"
+version = "0.19.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "239410c8609e8125456927e6707163a3b1fdb40561e4b803bc041f466ccfdc13"
+checksum = "2380d56e8670370eee6566b0bfd4265f65b3f432e8c6d85623f728d4fa31f739"
 dependencies = [
  "indexmap",
  "serde",
@@ -4134,9 +4111,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-core"
-version = "0.1.30"
+version = "0.1.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24eb03ba0eab1fd845050058ce5e616558e8f8d8fca633e6b163fe25c797213a"
+checksum = "0955b8137a1df6f1a2e9a37d8a6656291ff0297c1a97c24e0d8425fe2312f79a"
 dependencies = [
  "once_cell",
 ]
@@ -4176,15 +4153,15 @@ checksum = "92888ba5573ff080736b3648696b70cafad7d250551175acbaa4e0385b3e1460"
 
 [[package]]
 name = "unicode-blocks"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9de2be6bad6f56ce8373d377e611cbb2265de3a656138065609ce82e217aad70"
+checksum = "943e3f1f50cc455d072e0801ccb71ff893b0c88060b1169f92e35fb5bb881cc6"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.8"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
+checksum = "b15811caf2415fb889178633e7724bad2509101cde276048e013b9def5e51fa0"
 
 [[package]]
 name = "unicode-normalization"
@@ -4201,12 +4178,6 @@ version = "1.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1dd624098567895118886609431a7c3b8f516e41d30e0643f03d94592a147e36"
 
-[[package]]
-name = "unicode-width"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0edd1e5b14653f783770bce4a4dabb4a5108a5370a5f5d8cfe8710c361f6c8b"
-
 [[package]]
 name = "unicode-xid"
 version = "0.2.4"
@@ -4259,9 +4230,9 @@ dependencies = [
 
 [[package]]
 name = "uuid"
-version = "1.3.1"
+version = "1.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b55a3fef2a1e3b3a00ce878640918820d3c51081576ac657d23af9fc7928fdb"
+checksum = "345444e32442451b267fc254ae85a209c64be56d2890e601a0c37ff0c3c5ecd2"
 dependencies = [
  "getrandom",
  "serde",
@@ -4334,9 +4305,9 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.83"
+version = "0.2.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eaf9f5aceeec8be17c128b2e93e031fb8a4d469bb9c4ae2d7dc1888b26887268"
+checksum = "5bba0e8cb82ba49ff4e229459ff22a191bbe9a1cb3a341610c9c33efc27ddf73"
 dependencies = [
  "cfg-if",
  "wasm-bindgen-macro",
@@ -4344,24 +4315,24 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.83"
+version = "0.2.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c8ffb332579b0557b52d268b91feab8df3615f265d5270fec2a8c95b17c1142"
+checksum = "19b04bc93f9d6bdee709f6bd2118f57dd6679cf1176a1af464fca3ab0d66d8fb"
 dependencies = [
  "bumpalo",
  "log",
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.18",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.33"
+version = "0.4.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23639446165ca5a5de86ae1d8896b737ae80319560fbaa4c2887b7da6e7ebd7d"
+checksum = "2d1985d03709c53167ce907ff394f5316aa22cb4e12761295c5dc57dacb6297e"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -4371,9 +4342,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.83"
+version = "0.2.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "052be0f94026e6cbc75cdefc9bae13fd6052cdcaf532fa6c45e7ae33a1e6c810"
+checksum = "14d6b024f1a526bb0234f52840389927257beb670610081360e5a03c5df9c258"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -4381,28 +4352,28 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.83"
+version = "0.2.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "07bc0c051dc5f23e307b13285f9d75df86bfdf816c5721e573dec1f9b8aa193c"
+checksum = "e128beba882dd1eb6200e1dc92ae6c5dbaa4311aa7bb211ca035779e5efc39f8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.18",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.83"
+version = "0.2.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1c38c045535d93ec4f0b4defec448e4291638ee608530863b1e2ba115d4fff7f"
+checksum = "ed9d5b4305409d1fc9482fee2d7f9bcbf24b3972bf59817ef757e23982242a93"
 
 [[package]]
 name = "web-sys"
-version = "0.3.60"
+version = "0.3.63"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bcda906d8be16e728fd5adc5b729afad4e444e106ab28cd1c7256e54fa61510f"
+checksum = "3bdd9ef4e984da1187bf8110c5cf5b845fbc87a23602cdf912386a76fcd3a7c2"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -4468,21 +4439,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
-[[package]]
-name = "windows-sys"
-version = "0.42.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
-dependencies = [
- "windows_aarch64_gnullvm 0.42.2",
- "windows_aarch64_msvc 0.42.2",
- "windows_i686_gnu 0.42.2",
- "windows_i686_msvc 0.42.2",
- "windows_x86_64_gnu 0.42.2",
- "windows_x86_64_gnullvm 0.42.2",
- "windows_x86_64_msvc 0.42.2",
-]
-
 [[package]]
 name = "windows-sys"
 version = "0.45.0"
@@ -4617,9 +4573,9 @@ checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
 
 [[package]]
 name = "winnow"
-version = "0.4.1"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae8970b36c66498d8ff1d66685dc86b91b29db0c7739899012f63a63814b4b28"
+checksum = "61de7bac303dc551fe038e2b3cef0f571087a47571ea6e79a87692ac99b99699"
 dependencies = [
  "memchr",
 ]
@@ -4690,9 +4646,9 @@ dependencies = [
 
 [[package]]
 name = "zip"
-version = "0.6.4"
+version = "0.6.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0445d0fbc924bb93539b4316c11afb121ea39296f99a3c4c9edad09e3658cdef"
+checksum = "760394e246e4c28189f19d488c058bf16f564016aefac5d32bb1f3b51d5e9261"
 dependencies = [
  "aes",
  "byteorder",
@@ -4723,7 +4679,7 @@ version = "0.12.3+zstd.1.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "76eea132fb024e0e13fd9c2f5d5d595d8a967aa72382ac2f9d39fcc95afd0806"
 dependencies = [
- "zstd-safe 6.0.4+zstd.1.5.4",
+ "zstd-safe 6.0.5+zstd.1.5.4",
 ]
 
 [[package]]
@@ -4738,9 +4694,9 @@ dependencies = [
 
 [[package]]
 name = "zstd-safe"
-version = "6.0.4+zstd.1.5.4"
+version = "6.0.5+zstd.1.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7afb4b54b8910cf5447638cb54bf4e8a65cbedd783af98b98c62ffe91f185543"
+checksum = "d56d9e60b4b1758206c238a10165fbcae3ca37b01744e394c463463f6529d23b"
 dependencies = [
  "libc",
  "zstd-sys",
@@ -4748,9 +4704,9 @@ dependencies = [
 
 [[package]]
 name = "zstd-sys"
-version = "2.0.7+zstd.1.5.4"
+version = "2.0.8+zstd.1.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94509c3ba2fe55294d752b79842c530ccfab760192521df74a081a78d2b3c7f5"
+checksum = "5556e6ee25d32df2586c098bbfa278803692a20d0ab9565e049480d52707ec8c"
 dependencies = [
  "cc",
  "libc",
diff --git a/Cargo.toml b/Cargo.toml
index b69831b9c..f7e5758d5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,8 @@ members = [
     "filter-parser",
     "flatten-serde-json",
     "json-depth-checker",
-    "benchmarks"
+    "benchmarks",
+    "fuzzers",
 ]
 
 [workspace.package]
diff --git a/Dockerfile b/Dockerfile
index 0d7593f79..70950f338 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,3 @@
-# syntax=docker/dockerfile:1.4
 # Compile
 FROM    rust:alpine3.16 AS compiler
 
@@ -12,7 +11,7 @@ ARG     GIT_TAG
 ENV     VERGEN_GIT_SHA=${COMMIT_SHA} VERGEN_GIT_COMMIT_TIMESTAMP=${COMMIT_DATE} VERGEN_GIT_SEMVER_LIGHTWEIGHT=${GIT_TAG}
 ENV     RUSTFLAGS="-C target-feature=-crt-static"
 
-COPY    --link . .
+COPY    . .
 RUN     set -eux; \
         apkArch="$(apk --print-arch)"; \
         if [ "$apkArch" = "aarch64" ]; then \
@@ -31,7 +30,7 @@ RUN     apk update --quiet \
 
 # add meilisearch to the `/bin` so you can run it from anywhere and it's easy
 # to find.
-COPY    --from=compiler --link /meilisearch/target/release/meilisearch /bin/meilisearch
+COPY    --from=compiler /meilisearch/target/release/meilisearch /bin/meilisearch
 # To stay compatible with the older version of the container (pre v0.27.0) we're
 # going to symlink the meilisearch binary in the path to `/meilisearch`
 RUN     ln -s /bin/meilisearch /meilisearch
diff --git a/assets/grafana-dashboard.json b/assets/grafana-dashboard.json
new file mode 100644
index 000000000..d00069293
--- /dev/null
+++ b/assets/grafana-dashboard.json
@@ -0,0 +1,1376 @@
+{
+  "annotations": {
+    "list": [
+      {
+        "builtIn": 1,
+        "datasource": {
+          "type": "datasource",
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+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          },
+          "unit": "none"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 11,
+        "w": 12,
+        "x": 12,
+        "y": 29
+      },
+      "id": 24,
+      "interval": "5s",
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "right",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "pluginVersion": "8.1.4",
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus"
+          },
+          "editorMode": "builder",
+          "exemplar": true,
+          "expr": "meilisearch_nb_tasks{instance=\"$instance\", job=\"meilisearch\", kind=\"types\"}",
+          "interval": "",
+          "legendFormat": "{{value}} ",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Number of tasks by types",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {},
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 15,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "never",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          },
+          "unit": "none"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 11,
+        "w": 12,
+        "x": 0,
+        "y": 40
+      },
+      "id": 25,
+      "interval": "5s",
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "right",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "pluginVersion": "8.1.4",
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus"
+          },
+          "editorMode": "builder",
+          "exemplar": true,
+          "expr": "meilisearch_nb_tasks{instance=\"$instance\", job=\"meilisearch\", kind=\"indexes\"}",
+          "interval": "",
+          "legendFormat": "{{value}} ",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Number of tasks by indexes",
+      "type": "timeseries"
+    },
+    {
+      "collapsed": false,
+      "datasource": {
+        "type": "prometheus",
+        "uid": "i51CxikVz"
+      },
+      "gridPos": {
+        "h": 1,
+        "w": 24,
+        "x": 0,
+        "y": 51
+      },
+      "id": 12,
+      "panels": [],
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "i51CxikVz"
+          },
+          "refId": "A"
+        }
+      ],
+      "title": "System metrics",
+      "type": "row"
+    },
+    {
+      "datasource": {
+        "type": "prometheus"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "continuous-YlBl"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 15,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "never",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "decimals": 2,
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          },
+          "unit": "percentunit"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 11,
+        "w": 12,
+        "x": 0,
+        "y": 52
+      },
+      "id": 4,
+      "interval": "5s",
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus"
+          },
+          "editorMode": "builder",
+          "exemplar": true,
+          "expr": "rate(process_cpu_seconds_total{job=\"meilisearch\", instance=\"$instance\"}[1m])",
+          "interval": "",
+          "legendFormat": "process",
+          "range": true,
+          "refId": "A"
+        },
+        {
+          "datasource": {
+            "type": "prometheus"
+          },
+          "exemplar": true,
+          "expr": "sum(rate(container_cpu_usage_seconds_total{name='mongodb-redis'}[1m])) by (name)",
+          "interval": "",
+          "legendFormat": "container",
+          "refId": "B"
+        }
+      ],
+      "title": "CPU usage",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "continuous-YlBl"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "MiB",
+            "axisPlacement": "left",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 15,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "never",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 11,
+        "w": 12,
+        "x": 12,
+        "y": 52
+      },
+      "id": 5,
+      "interval": "5s",
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus"
+          },
+          "editorMode": "builder",
+          "exemplar": true,
+          "expr": "process_resident_memory_bytes{job=\"meilisearch\", instance=\"$instance\"} / 1024 / 1024",
+          "interval": "",
+          "legendFormat": "process",
+          "range": true,
+          "refId": "A"
+        },
+        {
+          "datasource": {
+            "type": "prometheus"
+          },
+          "exemplar": true,
+          "expr": "container_memory_usage_bytes{name=\"mongodb-redis\"} / 1024 / 1024",
+          "interval": "",
+          "legendFormat": "container",
+          "refId": "B"
+        }
+      ],
+      "title": "Memory usage",
+      "type": "timeseries"
+    }
+  ],
+  "refresh": "5s",
+  "schemaVersion": 38,
+  "style": "dark",
+  "tags": [],
+  "templating": {
+    "list": [
+      {
+        "current": {
+          "selected": false,
+          "text": "localhost:7700",
+          "value": "localhost:7700"
+        },
+        "datasource": {
+          "type": "prometheus",
+          "uid": "bb3298a4-9acf-4da1-b86a-813f29f50888"
+        },
+        "definition": "label_values(instance)",
+        "hide": 0,
+        "includeAll": false,
+        "label": "Instance",
+        "multi": false,
+        "name": "instance",
+        "options": [],
+        "query": {
+          "query": "label_values(instance)",
+          "refId": "StandardVariableQuery"
+        },
+        "refresh": 1,
+        "regex": "",
+        "skipUrlSync": false,
+        "sort": 0,
+        "type": "query"
+      },
+      {
+        "current": {
+          "selected": false,
+          "text": "mieli",
+          "value": "mieli"
+        },
+        "datasource": {
+          "type": "prometheus",
+          "uid": "bb3298a4-9acf-4da1-b86a-813f29f50888"
+        },
+        "definition": "label_values(index)",
+        "hide": 0,
+        "includeAll": false,
+        "label": "index",
+        "multi": false,
+        "name": "Index",
+        "options": [],
+        "query": {
+          "query": "label_values(index)",
+          "refId": "StandardVariableQuery"
+        },
+        "refresh": 1,
+        "regex": "",
+        "skipUrlSync": false,
+        "sort": 0,
+        "type": "query"
+      }
+    ]
+  },
+  "time": {
+    "from": "now-5m",
+    "to": "now"
+  },
+  "timepicker": {
+    "refresh_intervals": [
+      "5s",
+      "10s",
+      "30s",
+      "1m",
+      "5m"
+    ]
+  },
+  "timezone": "",
+  "title": "Meilisearch",
+  "uid": "7wcZ94dnz",
+  "version": 6,
+  "weekStart": ""
+}
\ No newline at end of file
diff --git a/assets/prometheus-basic-scraper.yml b/assets/prometheus-basic-scraper.yml
new file mode 100644
index 000000000..762f0ad43
--- /dev/null
+++ b/assets/prometheus-basic-scraper.yml
@@ -0,0 +1,19 @@
+global:
+  scrape_interval:     15s # By default, scrape targets every 15 seconds.
+
+  # Attach these labels to any time series or alerts when communicating with
+  # external systems (federation, remote storage, Alertmanager).
+  external_labels:
+    monitor: 'codelab-monitor'
+
+# A scrape configuration containing exactly one endpoint to scrape:
+# Here it's Prometheus itself.
+scrape_configs:
+  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
+  - job_name: 'meilisearch'
+
+    # Override the global default and scrape targets from this job every 5 seconds.
+    scrape_interval: 5s
+
+    static_configs:
+      - targets: ['localhost:7700']
\ No newline at end of file
diff --git a/config.toml b/config.toml
index 71087f25f..c47989f56 100644
--- a/config.toml
+++ b/config.toml
@@ -1,128 +1,131 @@
 # This file shows the default configuration of Meilisearch.
 # All variables are defined here: https://www.meilisearch.com/docs/learn/configuration/instance_options#environment-variables
 
-db_path = "./data.ms"
 # Designates the location where database files will be created and retrieved.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#database-path
+db_path = "./data.ms"
 
-env = "development"
 # Configures the instance's environment. Value must be either `production` or `development`.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#environment
+env = "development"
 
-http_addr = "localhost:7700"
 # The address on which the HTTP server will listen.
+http_addr = "localhost:7700"
 
-# master_key = "YOUR_MASTER_KEY_VALUE"
 # Sets the instance's master key, automatically protecting all routes except GET /health.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#master-key
+# master_key = "YOUR_MASTER_KEY_VALUE"
 
-# no_analytics = true
 # Deactivates Meilisearch's built-in telemetry when provided.
 # Meilisearch automatically collects data from all instances that do not opt out using this flag.
 # All gathered data is used solely for the purpose of improving Meilisearch, and can be deleted at any time.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#disable-analytics
+# no_analytics = true
 
-http_payload_size_limit = "100 MB"
 # Sets the maximum size of accepted payloads.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#payload-limit-size
+http_payload_size_limit = "100 MB"
 
-log_level = "INFO"
 # Defines how much detail should be present in Meilisearch's logs.
 # Meilisearch currently supports six log levels, listed in order of increasing verbosity:  `OFF`, `ERROR`, `WARN`, `INFO`, `DEBUG`, `TRACE`
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#log-level
+log_level = "INFO"
 
-# max_indexing_memory = "2 GiB"
 # Sets the maximum amount of RAM Meilisearch can use when indexing.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#max-indexing-memory
+# max_indexing_memory = "2 GiB"
 
-# max_indexing_threads = 4
 # Sets the maximum number of threads Meilisearch can use during indexing.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#max-indexing-threads
+# max_indexing_threads = 4
 
 #############
 ### DUMPS ###
 #############
 
-dump_dir = "dumps/"
 # Sets the directory where Meilisearch will create dump files.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#dump-directory
+dump_dir = "dumps/"
 
-# import_dump = "./path/to/my/file.dump"
 # Imports the dump file located at the specified path. Path must point to a .dump file.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#import-dump
+# import_dump = "./path/to/my/file.dump"
 
-ignore_missing_dump = false
 # Prevents Meilisearch from throwing an error when `import_dump` does not point to a valid dump file.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#ignore-missing-dump
+ignore_missing_dump = false
 
-ignore_dump_if_db_exists = false
 # Prevents a Meilisearch instance with an existing database from throwing an error when using `import_dump`.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#ignore-dump-if-db-exists
+ignore_dump_if_db_exists = false
 
 
 #################
 ### SNAPSHOTS ###
 #################
 
-schedule_snapshot = false
 # Enables scheduled snapshots when true, disable when false (the default).
 # If the value is given as an integer, then enables the scheduled snapshot with the passed value as the interval
 # between each snapshot, in seconds.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#schedule-snapshot-creation
+schedule_snapshot = false
 
-snapshot_dir = "snapshots/"
 # Sets the directory where Meilisearch will store snapshots.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#snapshot-destination
+snapshot_dir = "snapshots/"
 
-# import_snapshot = "./path/to/my/snapshot"
 # Launches Meilisearch after importing a previously-generated snapshot at the given filepath.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#import-snapshot
+# import_snapshot = "./path/to/my/snapshot"
 
-ignore_missing_snapshot = false
 # Prevents a Meilisearch instance from throwing an error when `import_snapshot` does not point to a valid snapshot file.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#ignore-missing-snapshot
+ignore_missing_snapshot = false
 
-ignore_snapshot_if_db_exists = false
 # Prevents a Meilisearch instance with an existing database from throwing an error when using `import_snapshot`.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#ignore-snapshot-if-db-exists
+ignore_snapshot_if_db_exists = false
 
 
 ###########
 ### SSL ###
 ###########
 
-# ssl_auth_path = "./path/to/root"
 # Enables client authentication in the specified path.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#ssl-authentication-path
+# ssl_auth_path = "./path/to/root"
 
-# ssl_cert_path = "./path/to/certfile"
 # Sets the server's SSL certificates.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#ssl-certificates-path
+# ssl_cert_path = "./path/to/certfile"
 
-# ssl_key_path = "./path/to/private-key"
 # Sets the server's SSL key files.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#ssl-key-path
+# ssl_key_path = "./path/to/private-key"
 
-# ssl_ocsp_path = "./path/to/ocsp-file"
 # Sets the server's OCSP file.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#ssl-ocsp-path
+# ssl_ocsp_path = "./path/to/ocsp-file"
 
-ssl_require_auth = false
 # Makes SSL authentication mandatory.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#ssl-require-auth
+ssl_require_auth = false
 
-ssl_resumption = false
 # Activates SSL session resumption.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#ssl-resumption
+ssl_resumption = false
 
-ssl_tickets = false
 # Activates SSL tickets.
 # https://www.meilisearch.com/docs/learn/configuration/instance_options#ssl-tickets
+ssl_tickets = false
 
 #############################
 ### Experimental features ###
 #############################
 
-experimental_enable_metrics = false
 # Experimental metrics feature. For more information, see: <https://github.com/meilisearch/meilisearch/discussions/3518>
 # Enables the Prometheus metrics on the `GET /metrics` endpoint.
+experimental_enable_metrics = false
+
+# Experimental RAM reduction during indexing, do not use in production, see: <https://github.com/meilisearch/product/discussions/652>
+experimental_reduce_indexing_memory_usage = false
diff --git a/fuzzers/Cargo.toml b/fuzzers/Cargo.toml
new file mode 100644
index 000000000..cbc27a55c
--- /dev/null
+++ b/fuzzers/Cargo.toml
@@ -0,0 +1,20 @@
+[package]
+name = "fuzzers"
+publish = false
+
+version.workspace = true
+authors.workspace = true
+description.workspace = true
+homepage.workspace = true
+readme.workspace = true
+edition.workspace = true
+license.workspace = true
+
+[dependencies]
+arbitrary = { version = "1.3.0", features = ["derive"] }
+clap = { version = "4.3.0", features = ["derive"] }
+fastrand = "1.9.0"
+milli = { path = "../milli" }
+serde = { version = "1.0.160", features = ["derive"] }
+serde_json = { version = "1.0.95", features = ["preserve_order"] }
+tempfile = "3.5.0"
diff --git a/fuzzers/README.md b/fuzzers/README.md
new file mode 100644
index 000000000..d9d02de0e
--- /dev/null
+++ b/fuzzers/README.md
@@ -0,0 +1,3 @@
+# Fuzzers
+
+The purpose of this crate is to contains all the handmade "fuzzer" we may need.
diff --git a/fuzzers/src/bin/fuzz-indexing.rs b/fuzzers/src/bin/fuzz-indexing.rs
new file mode 100644
index 000000000..1d53e069c
--- /dev/null
+++ b/fuzzers/src/bin/fuzz-indexing.rs
@@ -0,0 +1,152 @@
+use std::num::NonZeroUsize;
+use std::path::PathBuf;
+use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
+use std::time::Duration;
+
+use arbitrary::{Arbitrary, Unstructured};
+use clap::Parser;
+use fuzzers::Operation;
+use milli::heed::EnvOpenOptions;
+use milli::update::{IndexDocuments, IndexDocumentsConfig, IndexerConfig};
+use milli::Index;
+use tempfile::TempDir;
+
+#[derive(Debug, Arbitrary)]
+struct Batch([Operation; 5]);
+
+#[derive(Debug, Clone, Parser)]
+struct Opt {
+    /// The number of fuzzer to run in parallel.
+    #[clap(long)]
+    par: Option<NonZeroUsize>,
+    // We need to put a lot of newlines in the following documentation or else everything gets collapsed on one line
+    /// The path in which the databases will be created.
+    /// Using a ramdisk is recommended.
+    ///
+    /// Linux:
+    ///
+    /// sudo mount -t tmpfs -o size=2g tmpfs ramdisk # to create it
+    ///
+    /// sudo umount ramdisk # to remove it
+    ///
+    /// MacOS:
+    ///
+    /// diskutil erasevolume HFS+ 'RAM Disk' `hdiutil attach -nobrowse -nomount ram://4194304 # create it
+    ///
+    /// hdiutil detach /dev/:the_disk
+    #[clap(long)]
+    path: Option<PathBuf>,
+}
+
+fn main() {
+    let opt = Opt::parse();
+    let progression: &'static AtomicUsize = Box::leak(Box::new(AtomicUsize::new(0)));
+    let stop: &'static AtomicBool = Box::leak(Box::new(AtomicBool::new(false)));
+
+    let par = opt.par.unwrap_or_else(|| std::thread::available_parallelism().unwrap()).get();
+    let mut handles = Vec::with_capacity(par);
+
+    for _ in 0..par {
+        let opt = opt.clone();
+
+        let handle = std::thread::spawn(move || {
+            let mut options = EnvOpenOptions::new();
+            options.map_size(1024 * 1024 * 1024 * 1024);
+            let tempdir = match opt.path {
+                Some(path) => TempDir::new_in(path).unwrap(),
+                None => TempDir::new().unwrap(),
+            };
+            let index = Index::new(options, tempdir.path()).unwrap();
+            let indexer_config = IndexerConfig::default();
+            let index_documents_config = IndexDocumentsConfig::default();
+
+            std::thread::scope(|s| {
+                loop {
+                    if stop.load(Ordering::Relaxed) {
+                        return;
+                    }
+                    let v: Vec<u8> =
+                        std::iter::repeat_with(|| fastrand::u8(..)).take(1000).collect();
+
+                    let mut data = Unstructured::new(&v);
+                    let batches = <[Batch; 5]>::arbitrary(&mut data).unwrap();
+                    // will be used to display the error once a thread crashes
+                    let dbg_input = format!("{:#?}", batches);
+
+                    let handle = s.spawn(|| {
+                        let mut wtxn = index.write_txn().unwrap();
+
+                        for batch in batches {
+                            let mut builder = IndexDocuments::new(
+                                &mut wtxn,
+                                &index,
+                                &indexer_config,
+                                index_documents_config.clone(),
+                                |_| (),
+                                || false,
+                            )
+                            .unwrap();
+
+                            for op in batch.0 {
+                                match op {
+                                    Operation::AddDoc(doc) => {
+                                        let documents =
+                                            milli::documents::objects_from_json_value(doc.to_d());
+                                        let documents =
+                                            milli::documents::documents_batch_reader_from_objects(
+                                                documents,
+                                            );
+                                        let (b, _added) = builder.add_documents(documents).unwrap();
+                                        builder = b;
+                                    }
+                                    Operation::DeleteDoc(id) => {
+                                        let (b, _removed) =
+                                            builder.remove_documents(vec![id.to_s()]).unwrap();
+                                        builder = b;
+                                    }
+                                }
+                            }
+                            builder.execute().unwrap();
+
+                            // after executing a batch we check if the database is corrupted
+                            let res = index.search(&wtxn).execute().unwrap();
+                            index.documents(&wtxn, res.documents_ids).unwrap();
+                            progression.fetch_add(1, Ordering::Relaxed);
+                        }
+                        wtxn.abort().unwrap();
+                    });
+                    if let err @ Err(_) = handle.join() {
+                        stop.store(true, Ordering::Relaxed);
+                        err.expect(&dbg_input);
+                    }
+                }
+            });
+        });
+        handles.push(handle);
+    }
+
+    std::thread::spawn(|| {
+        let mut last_value = 0;
+        let start = std::time::Instant::now();
+        loop {
+            let total = progression.load(Ordering::Relaxed);
+            let elapsed = start.elapsed().as_secs();
+            if elapsed > 3600 {
+                // after 1 hour, stop the fuzzer, success
+                std::process::exit(0);
+            }
+            println!(
+                "Has been running for {:?} seconds. Tested {} new values for a total of {}.",
+                elapsed,
+                total - last_value,
+                total
+            );
+            last_value = total;
+            std::thread::sleep(Duration::from_secs(1));
+        }
+    });
+
+    for handle in handles {
+        handle.join().unwrap();
+    }
+}
diff --git a/fuzzers/src/lib.rs b/fuzzers/src/lib.rs
new file mode 100644
index 000000000..c0eef38e8
--- /dev/null
+++ b/fuzzers/src/lib.rs
@@ -0,0 +1,46 @@
+use arbitrary::Arbitrary;
+use serde_json::{json, Value};
+
+#[derive(Debug, Arbitrary)]
+pub enum Document {
+    One,
+    Two,
+    Three,
+    Four,
+    Five,
+    Six,
+}
+
+impl Document {
+    pub fn to_d(&self) -> Value {
+        match self {
+            Document::One => json!({ "id": 0, "doggo": "bernese" }),
+            Document::Two => json!({ "id": 0, "doggo": "golden" }),
+            Document::Three => json!({ "id": 0, "catto": "jorts" }),
+            Document::Four => json!({ "id": 1, "doggo": "bernese" }),
+            Document::Five => json!({ "id": 1, "doggo": "golden" }),
+            Document::Six => json!({ "id": 1, "catto": "jorts" }),
+        }
+    }
+}
+
+#[derive(Debug, Arbitrary)]
+pub enum DocId {
+    Zero,
+    One,
+}
+
+impl DocId {
+    pub fn to_s(&self) -> String {
+        match self {
+            DocId::Zero => "0".to_string(),
+            DocId::One => "1".to_string(),
+        }
+    }
+}
+
+#[derive(Debug, Arbitrary)]
+pub enum Operation {
+    AddDoc(Document),
+    DeleteDoc(DocId),
+}
diff --git a/grafana-dashboards/dashboard.json b/grafana-dashboards/dashboard.json
deleted file mode 100644
index 53865ad56..000000000
--- a/grafana-dashboards/dashboard.json
+++ /dev/null
@@ -1,1007 +0,0 @@
-{
-    "annotations": {
-      "list": [
-        {
-          "builtIn": 1,
-          "datasource": {
-            "type": "datasource",
-            "uid": "grafana"
-          },
-          "enable": true,
-          "hide": true,
-          "iconColor": "rgba(0, 211, 255, 1)",
-          "name": "Annotations & Alerts",
-          "target": {
-            "limit": 100,
-            "matchAny": false,
-            "tags": [],
-            "type": "dashboard"
-          },
-          "type": "dashboard"
-        }
-      ]
-    },
-    "editable": true,
-    "fiscalYearStartMonth": 0,
-    "graphTooltip": 0,
-    "id": 1,
-    "links": [],
-    "liveNow": false,
-    "panels": [
-      {
-        "collapsed": false,
-        "datasource": {
-          "type": "prometheus"
-        },
-        "gridPos": {
-          "h": 1,
-          "w": 24,
-          "x": 0,
-          "y": 0
-        },
-        "id": 14,
-        "panels": [],
-        "targets": [
-          {
-            "datasource": {
-              "type": "prometheus",
-              "uid": "i51CxikVz"
-            },
-            "refId": "A"
-          }
-        ],
-        "title": "Web application metrics",
-        "type": "row"
-      },
-      {
-        "datasource": {
-          "type": "prometheus",
-          "uid": "1MRsknzVz"
-        },
-        "fieldConfig": {
-          "defaults": {
-            "color": {
-              "mode": "continuous-YlBl"
-            },
-            "decimals": 0,
-            "mappings": [],
-            "thresholds": {
-              "mode": "absolute",
-              "steps": [
-                {
-                  "color": "green",
-                  "value": null
-                },
-                {
-                  "color": "red",
-                  "value": 80
-                }
-              ]
-            },
-            "unit": "bytes"
-          },
-          "overrides": []
-        },
-        "gridPos": {
-          "h": 6,
-          "w": 4,
-          "x": 0,
-          "y": 1
-        },
-        "id": 2,
-        "interval": "5s",
-        "options": {
-          "orientation": "auto",
-          "reduceOptions": {
-            "calcs": [
-              "lastNotNull"
-            ],
-            "fields": "",
-            "values": false
-          },
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "text": {}
-        },
-        "pluginVersion": "9.0.5",
-        "targets": [
-          {
-            "datasource": {
-              "type": "prometheus",
-              "uid": "1MRsknzVz"
-            },
-            "editorMode": "builder",
-            "exemplar": true,
-            "expr": "meilisearch_db_size_bytes{job=\"meilisearch\", instance=\"$instance\"}",
-            "interval": "",
-            "legendFormat": "",
-            "range": true,
-            "refId": "A"
-          }
-        ],
-        "title": "Database Size",
-        "type": "gauge"
-      },
-      {
-        "datasource": {
-          "type": "prometheus",
-          "uid": "1MRsknzVz"
-        },
-        "fieldConfig": {
-          "defaults": {
-            "color": {
-              "fixedColor": "purple",
-              "mode": "fixed"
-            },
-            "decimals": 0,
-            "mappings": [],
-            "thresholds": {
-              "mode": "absolute",
-              "steps": [
-                {
-                  "color": "green",
-                  "value": null
-                }
-              ]
-            },
-            "unit": "none"
-          },
-          "overrides": []
-        },
-        "gridPos": {
-          "h": 6,
-          "w": 4,
-          "x": 4,
-          "y": 1
-        },
-        "id": 22,
-        "interval": "5s",
-        "options": {
-          "orientation": "auto",
-          "reduceOptions": {
-            "calcs": [
-              "lastNotNull"
-            ],
-            "fields": "",
-            "values": false
-          },
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "text": {}
-        },
-        "pluginVersion": "9.0.5",
-        "targets": [
-          {
-            "datasource": {
-              "type": "prometheus",
-              "uid": "1MRsknzVz"
-            },
-            "editorMode": "builder",
-            "exemplar": true,
-            "expr": "meilisearch_index_count{job=\"meilisearch\", instance=\"$instance\"}",
-            "interval": "",
-            "legendFormat": "",
-            "range": true,
-            "refId": "A"
-          }
-        ],
-        "title": "Indexes Count",
-        "type": "gauge"
-      },
-      {
-        "datasource": {
-          "type": "prometheus",
-          "uid": "1MRsknzVz"
-        },
-        "fieldConfig": {
-          "defaults": {
-            "color": {
-              "mode": "thresholds"
-            },
-            "mappings": [],
-            "thresholds": {
-              "mode": "absolute",
-              "steps": [
-                {
-                  "color": "green",
-                  "value": null
-                }
-              ]
-            }
-          },
-          "overrides": []
-        },
-        "gridPos": {
-          "h": 6,
-          "w": 4,
-          "x": 8,
-          "y": 1
-        },
-        "id": 18,
-        "options": {
-          "orientation": "auto",
-          "reduceOptions": {
-            "calcs": [
-              "lastNotNull"
-            ],
-            "fields": "",
-            "values": false
-          },
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "text": {}
-        },
-        "pluginVersion": "9.0.5",
-        "targets": [
-          {
-            "datasource": {
-              "type": "prometheus",
-              "uid": "1MRsknzVz"
-            },
-            "editorMode": "builder",
-            "expr": "meilisearch_index_docs_count{job=\"meilisearch\", index=\"$Index\", instance=\"$instance\"}",
-            "hide": false,
-            "range": true,
-            "refId": "A"
-          }
-        ],
-        "title": "Total Documents",
-        "type": "gauge"
-      },
-      {
-        "datasource": {
-          "type": "prometheus",
-          "uid": "1MRsknzVz"
-        },
-        "fieldConfig": {
-          "defaults": {
-            "color": {
-              "mode": "thresholds"
-            },
-            "mappings": [],
-            "thresholds": {
-              "mode": "absolute",
-              "steps": [
-                {
-                  "color": "green",
-                  "value": null
-                },
-                {
-                  "color": "red",
-                  "value": 80
-                }
-              ]
-            }
-          },
-          "overrides": []
-        },
-        "gridPos": {
-          "h": 6,
-          "w": 4,
-          "x": 12,
-          "y": 1
-        },
-        "id": 19,
-        "options": {
-          "orientation": "auto",
-          "reduceOptions": {
-            "calcs": [
-              "lastNotNull"
-            ],
-            "fields": "",
-            "values": false
-          },
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "text": {}
-        },
-        "pluginVersion": "9.0.5",
-        "targets": [
-          {
-            "datasource": {
-              "type": "prometheus",
-              "uid": "1MRsknzVz"
-            },
-            "editorMode": "builder",
-            "exemplar": true,
-            "expr": "round(increase(http_requests_total{method=\"POST\", path=\"/indexes/$Index/search\", job=\"meilisearch\"}[1h]))",
-            "interval": "",
-            "legendFormat": "",
-            "range": true,
-            "refId": "A"
-          }
-        ],
-        "title": "Total Searches (1h)",
-        "type": "gauge"
-      },
-      {
-        "datasource": {
-          "type": "prometheus",
-          "uid": "1MRsknzVz"
-        },
-        "fieldConfig": {
-          "defaults": {
-            "color": {
-              "mode": "thresholds"
-            },
-            "mappings": [],
-            "thresholds": {
-              "mode": "absolute",
-              "steps": [
-                {
-                  "color": "green",
-                  "value": null
-                }
-              ]
-            }
-          },
-          "overrides": []
-        },
-        "gridPos": {
-          "h": 6,
-          "w": 4,
-          "x": 16,
-          "y": 1
-        },
-        "id": 20,
-        "options": {
-          "orientation": "auto",
-          "reduceOptions": {
-            "calcs": [
-              "lastNotNull"
-            ],
-            "fields": "",
-            "values": false
-          },
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "text": {}
-        },
-        "pluginVersion": "9.0.5",
-        "targets": [
-          {
-            "datasource": {
-              "type": "prometheus",
-              "uid": "1MRsknzVz"
-            },
-            "editorMode": "builder",
-            "exemplar": true,
-            "expr": "round(increase(http_requests_total{method=\"POST\", path=\"/indexes/$Index/search\", job=\"meilisearch\"}[24h]))",
-            "interval": "",
-            "legendFormat": "",
-            "range": true,
-            "refId": "A"
-          }
-        ],
-        "title": "Total Searches (24h)",
-        "type": "gauge"
-      },
-      {
-        "datasource": {
-          "type": "prometheus",
-          "uid": "1MRsknzVz"
-        },
-        "fieldConfig": {
-          "defaults": {
-            "color": {
-              "mode": "thresholds"
-            },
-            "mappings": [],
-            "thresholds": {
-              "mode": "absolute",
-              "steps": [
-                {
-                  "color": "green",
-                  "value": null
-                }
-              ]
-            }
-          },
-          "overrides": []
-        },
-        "gridPos": {
-          "h": 6,
-          "w": 4,
-          "x": 20,
-          "y": 1
-        },
-        "id": 21,
-        "options": {
-          "orientation": "auto",
-          "reduceOptions": {
-            "calcs": [
-              "lastNotNull"
-            ],
-            "fields": "",
-            "values": false
-          },
-          "showThresholdLabels": false,
-          "showThresholdMarkers": true,
-          "text": {}
-        },
-        "pluginVersion": "9.0.5",
-        "targets": [
-          {
-            "datasource": {
-              "type": "prometheus",
-              "uid": "1MRsknzVz"
-            },
-            "editorMode": "builder",
-            "exemplar": true,
-            "expr": "round(increase(http_requests_total{method=\"POST\", path=\"/indexes/$Index/search\", job=\"meilisearch\"}[30d]))",
-            "interval": "",
-            "legendFormat": "",
-            "range": true,
-            "refId": "A"
-          }
-        ],
-        "title": "Total Searches (30d)",
-        "type": "gauge"
-      },
-      {
-        "datasource": {
-          "type": "prometheus",
-          "uid": "1MRsknzVz"
-        },
-        "fieldConfig": {
-          "defaults": {
-            "color": {
-              "mode": "continuous-YlBl"
-            },
-            "custom": {
-              "axisLabel": "",
-              "axisPlacement": "auto",
-              "barAlignment": 0,
-              "drawStyle": "line",
-              "fillOpacity": 15,
-              "gradientMode": "none",
-              "hideFrom": {
-                "legend": false,
-                "tooltip": false,
-                "viz": false
-              },
-              "lineInterpolation": "linear",
-              "lineWidth": 1,
-              "pointSize": 5,
-              "scaleDistribution": {
-                "type": "linear"
-              },
-              "showPoints": "never",
-              "spanNulls": false,
-              "stacking": {
-                "group": "A",
-                "mode": "none"
-              },
-              "thresholdsStyle": {
-                "mode": "off"
-              }
-            },
-            "decimals": 2,
-            "mappings": [],
-            "thresholds": {
-              "mode": "absolute",
-              "steps": [
-                {
-                  "color": "green",
-                  "value": null
-                },
-                {
-                  "color": "red",
-                  "value": 80
-                }
-              ]
-            }
-          },
-          "overrides": []
-        },
-        "gridPos": {
-          "h": 11,
-          "w": 12,
-          "x": 0,
-          "y": 7
-        },
-        "id": 1,
-        "interval": "5s",
-        "options": {
-          "legend": {
-            "calcs": [],
-            "displayMode": "list",
-            "placement": "right"
-          },
-          "tooltip": {
-            "mode": "single",
-            "sort": "none"
-          }
-        },
-        "targets": [
-          {
-            "datasource": {
-              "type": "prometheus",
-              "uid": "1MRsknzVz"
-            },
-            "editorMode": "builder",
-            "exemplar": true,
-            "expr": "rate(http_requests_total{instance=\"$instance\", job=\"meilisearch\"}[5m])",
-            "interval": "",
-            "legendFormat": "{{method}} {{path}}",
-            "range": true,
-            "refId": "A"
-          }
-        ],
-        "title": "HTTP requests per second (All Indexes)",
-        "type": "timeseries"
-      },
-      {
-        "datasource": {
-          "type": "prometheus",
-          "uid": "1MRsknzVz"
-        },
-        "fieldConfig": {
-          "defaults": {
-            "color": {
-              "mode": "continuous-YlBl"
-            },
-            "custom": {
-              "axisLabel": "",
-              "axisPlacement": "auto",
-              "barAlignment": 0,
-              "drawStyle": "line",
-              "fillOpacity": 15,
-              "gradientMode": "none",
-              "hideFrom": {
-                "legend": false,
-                "tooltip": false,
-                "viz": false
-              },
-              "lineInterpolation": "linear",
-              "lineWidth": 1,
-              "pointSize": 5,
-              "scaleDistribution": {
-                "type": "linear"
-              },
-              "showPoints": "never",
-              "spanNulls": false,
-              "stacking": {
-                "group": "A",
-                "mode": "none"
-              },
-              "thresholdsStyle": {
-                "mode": "off"
-              }
-            },
-            "mappings": [],
-            "thresholds": {
-              "mode": "absolute",
-              "steps": [
-                {
-                  "color": "green",
-                  "value": null
-                },
-                {
-                  "color": "red",
-                  "value": 80
-                }
-              ]
-            },
-            "unit": "s"
-          },
-          "overrides": []
-        },
-        "gridPos": {
-          "h": 11,
-          "w": 12,
-          "x": 12,
-          "y": 7
-        },
-        "id": 3,
-        "interval": "5s",
-        "options": {
-          "legend": {
-            "calcs": [],
-            "displayMode": "list",
-            "placement": "right"
-          },
-          "tooltip": {
-            "mode": "single",
-            "sort": "none"
-          }
-        },
-        "pluginVersion": "8.1.4",
-        "targets": [
-          {
-            "datasource": {
-              "type": "prometheus",
-              "uid": "1MRsknzVz"
-            },
-            "editorMode": "builder",
-            "exemplar": true,
-            "expr": "rate(http_response_time_seconds_sum{instance=\"$instance\", job=\"meilisearch\"}[5m]) / rate(http_response_time_seconds_count[5m])",
-            "interval": "",
-            "legendFormat": "{{method}} {{path}}",
-            "range": true,
-            "refId": "A"
-          }
-        ],
-        "title": "Mean response time (All Indexes)",
-        "type": "timeseries"
-      },
-      {
-        "cards": {},
-        "color": {
-          "cardColor": "#b4ff00",
-          "colorScale": "sqrt",
-          "colorScheme": "interpolateBlues",
-          "exponent": 0.5,
-          "mode": "spectrum"
-        },
-        "dataFormat": "tsbuckets",
-        "datasource": {
-          "type": "prometheus",
-          "uid": "1MRsknzVz"
-        },
-        "gridPos": {
-          "h": 12,
-          "w": 24,
-          "x": 0,
-          "y": 18
-        },
-        "heatmap": {},
-        "hideZeroBuckets": false,
-        "highlightCards": true,
-        "id": 16,
-        "legend": {
-          "show": false
-        },
-        "pluginVersion": "8.1.4",
-        "reverseYBuckets": false,
-        "targets": [
-          {
-            "datasource": {
-              "type": "prometheus",
-              "uid": "1MRsknzVz"
-            },
-            "editorMode": "builder",
-            "exemplar": true,
-            "expr": "sum by(le) (increase(http_response_time_seconds_bucket{path=\"/indexes/$Index/search\", instance=\"$instance\", job=\"meilisearch\"}[30s]))",
-            "format": "heatmap",
-            "interval": "",
-            "legendFormat": "{{le}}",
-            "range": true,
-            "refId": "A"
-          }
-        ],
-        "title": "Response time distribution over time (`POST /indexes/:index/search`)",
-        "tooltip": {
-          "show": true,
-          "showHistogram": false
-        },
-        "type": "heatmap",
-        "xAxis": {
-          "show": true
-        },
-        "xBucketNumber": 10,
-        "yAxis": {
-          "decimals": 2,
-          "format": "s",
-          "logBase": 1,
-          "show": true
-        },
-        "yBucketBound": "auto",
-        "yBucketNumber": 10
-      },
-      {
-        "collapsed": false,
-        "datasource": {
-          "type": "prometheus",
-          "uid": "i51CxikVz"
-        },
-        "gridPos": {
-          "h": 1,
-          "w": 24,
-          "x": 0,
-          "y": 30
-        },
-        "id": 12,
-        "panels": [],
-        "targets": [
-          {
-            "datasource": {
-              "type": "prometheus",
-              "uid": "i51CxikVz"
-            },
-            "refId": "A"
-          }
-        ],
-        "title": "System metrics",
-        "type": "row"
-      },
-      {
-        "datasource": {
-          "type": "prometheus",
-          "uid": "1MRsknzVz"
-        },
-        "fieldConfig": {
-          "defaults": {
-            "color": {
-              "mode": "continuous-YlBl"
-            },
-            "custom": {
-              "axisLabel": "",
-              "axisPlacement": "auto",
-              "barAlignment": 0,
-              "drawStyle": "line",
-              "fillOpacity": 15,
-              "gradientMode": "none",
-              "hideFrom": {
-                "legend": false,
-                "tooltip": false,
-                "viz": false
-              },
-              "lineInterpolation": "linear",
-              "lineWidth": 1,
-              "pointSize": 5,
-              "scaleDistribution": {
-                "type": "linear"
-              },
-              "showPoints": "never",
-              "spanNulls": false,
-              "stacking": {
-                "group": "A",
-                "mode": "none"
-              },
-              "thresholdsStyle": {
-                "mode": "off"
-              }
-            },
-            "decimals": 2,
-            "mappings": [],
-            "thresholds": {
-              "mode": "absolute",
-              "steps": [
-                {
-                  "color": "green",
-                  "value": null
-                },
-                {
-                  "color": "red",
-                  "value": 80
-                }
-              ]
-            },
-            "unit": "percentunit"
-          },
-          "overrides": []
-        },
-        "gridPos": {
-          "h": 11,
-          "w": 12,
-          "x": 0,
-          "y": 31
-        },
-        "id": 4,
-        "interval": "5s",
-        "options": {
-          "legend": {
-            "calcs": [],
-            "displayMode": "list",
-            "placement": "bottom"
-          },
-          "tooltip": {
-            "mode": "single",
-            "sort": "none"
-          }
-        },
-        "targets": [
-          {
-            "datasource": {
-              "type": "prometheus",
-              "uid": "1MRsknzVz"
-            },
-            "editorMode": "builder",
-            "exemplar": true,
-            "expr": "rate(process_cpu_seconds_total{job=\"meilisearch\", instance=\"$instance\"}[1m])",
-            "interval": "",
-            "legendFormat": "process",
-            "range": true,
-            "refId": "A"
-          },
-          {
-            "datasource": {
-              "type": "prometheus",
-              "uid": "1MRsknzVz"
-            },
-            "exemplar": true,
-            "expr": "sum(rate(container_cpu_usage_seconds_total{name='mongodb-redis'}[1m])) by (name)",
-            "interval": "",
-            "legendFormat": "container",
-            "refId": "B"
-          }
-        ],
-        "title": "CPU usage",
-        "type": "timeseries"
-      },
-      {
-        "datasource": {
-          "type": "prometheus",
-          "uid": "1MRsknzVz"
-        },
-        "fieldConfig": {
-          "defaults": {
-            "color": {
-              "mode": "continuous-YlBl"
-            },
-            "custom": {
-              "axisLabel": "MiB",
-              "axisPlacement": "left",
-              "barAlignment": 0,
-              "drawStyle": "line",
-              "fillOpacity": 15,
-              "gradientMode": "none",
-              "hideFrom": {
-                "legend": false,
-                "tooltip": false,
-                "viz": false
-              },
-              "lineInterpolation": "linear",
-              "lineWidth": 1,
-              "pointSize": 5,
-              "scaleDistribution": {
-                "type": "linear"
-              },
-              "showPoints": "never",
-              "spanNulls": false,
-              "stacking": {
-                "group": "A",
-                "mode": "none"
-              },
-              "thresholdsStyle": {
-                "mode": "off"
-              }
-            },
-            "mappings": [],
-            "thresholds": {
-              "mode": "absolute",
-              "steps": [
-                {
-                  "color": "green",
-                  "value": null
-                },
-                {
-                  "color": "red",
-                  "value": 80
-                }
-              ]
-            }
-          },
-          "overrides": []
-        },
-        "gridPos": {
-          "h": 11,
-          "w": 12,
-          "x": 12,
-          "y": 31
-        },
-        "id": 5,
-        "interval": "5s",
-        "options": {
-          "legend": {
-            "calcs": [],
-            "displayMode": "list",
-            "placement": "bottom"
-          },
-          "tooltip": {
-            "mode": "single",
-            "sort": "none"
-          }
-        },
-        "targets": [
-          {
-            "datasource": {
-              "type": "prometheus",
-              "uid": "1MRsknzVz"
-            },
-            "editorMode": "builder",
-            "exemplar": true,
-            "expr": "process_resident_memory_bytes{job=\"meilisearch\", instance=\"$instance\"} / 1024 / 1024",
-            "interval": "",
-            "legendFormat": "process",
-            "range": true,
-            "refId": "A"
-          },
-          {
-            "datasource": {
-              "type": "prometheus",
-              "uid": "1MRsknzVz"
-            },
-            "exemplar": true,
-            "expr": "container_memory_usage_bytes{name=\"mongodb-redis\"} / 1024 / 1024",
-            "interval": "",
-            "legendFormat": "container",
-            "refId": "B"
-          }
-        ],
-        "title": "Memory usage",
-        "type": "timeseries"
-      }
-    ],
-    "refresh": "5s",
-    "schemaVersion": 36,
-    "style": "dark",
-    "tags": [],
-    "templating": {
-      "list": [
-        {
-          "current": {
-            "selected": false,
-            "text": "localhost:7700",
-            "value": "localhost:7700"
-          },
-          "datasource": {
-            "type": "prometheus",
-            "uid": "1MRsknzVz"
-          },
-          "definition": "label_values(instance)",
-          "hide": 0,
-          "includeAll": false,
-          "label": "Instance",
-          "multi": false,
-          "name": "instance",
-          "options": [],
-          "query": {
-            "query": "label_values(instance)",
-            "refId": "StandardVariableQuery"
-          },
-          "refresh": 1,
-          "regex": "",
-          "skipUrlSync": false,
-          "sort": 0,
-          "type": "query"
-        },
-        {
-          "current": {
-            "selected": false,
-            "text": "movie-collection",
-            "value": "movie-collection"
-          },
-          "datasource": {
-            "type": "prometheus",
-            "uid": "1MRsknzVz"
-          },
-          "definition": "label_values(index)",
-          "hide": 0,
-          "includeAll": false,
-          "label": "index",
-          "multi": false,
-          "name": "Index",
-          "options": [],
-          "query": {
-            "query": "label_values(index)",
-            "refId": "StandardVariableQuery"
-          },
-          "refresh": 1,
-          "regex": "",
-          "skipUrlSync": false,
-          "sort": 0,
-          "type": "query"
-        }
-      ]
-    },
-    "time": {
-      "from": "now-15m",
-      "to": "now"
-    },
-    "timepicker": {
-      "refresh_intervals": [
-        "5s",
-        "10s",
-        "30s",
-        "1m",
-        "5m"
-      ]
-    },
-    "timezone": "",
-    "title": "Meilisearch",
-    "uid": "7wcZ94dnz",
-    "version": 47,
-    "weekStart": ""
-  }
\ No newline at end of file
diff --git a/index-scheduler/src/autobatcher.rs b/index-scheduler/src/autobatcher.rs
index d738cc5e4..096bcce14 100644
--- a/index-scheduler/src/autobatcher.rs
+++ b/index-scheduler/src/autobatcher.rs
@@ -321,9 +321,18 @@ impl BatchKind {
                 })
             }
             (
-                this @ BatchKind::DocumentOperation { .. },
+                BatchKind::DocumentOperation { method, allow_index_creation, primary_key, mut operation_ids },
                 K::DocumentDeletion,
-            ) => Break(this),
+            ) => {
+                operation_ids.push(id);
+
+                Continue(BatchKind::DocumentOperation {
+                    method,
+                    allow_index_creation,
+                    primary_key,
+                    operation_ids,
+                })
+            }
             // but we can't autobatch documents if it's not the same kind
             // this match branch MUST be AFTER the previous one
             (
@@ -346,7 +355,35 @@ impl BatchKind {
                 deletion_ids.push(id);
                 Continue(BatchKind::DocumentClear { ids: deletion_ids })
             }
-            // we can't autobatch a deletion and an import
+            // we can autobatch the deletion and import if the index already exists
+            (
+                BatchKind::DocumentDeletion { mut deletion_ids },
+                K::DocumentImport { method, allow_index_creation, primary_key }
+            ) if index_already_exists => {
+                deletion_ids.push(id);
+
+                Continue(BatchKind::DocumentOperation {
+                    method,
+                    allow_index_creation,
+                    primary_key,
+                    operation_ids: deletion_ids,
+                })
+            }
+            // we can autobatch the deletion and import if both can't create an index
+            (
+                BatchKind::DocumentDeletion { mut deletion_ids },
+                K::DocumentImport { method, allow_index_creation, primary_key }
+            ) if !allow_index_creation => {
+                deletion_ids.push(id);
+
+                Continue(BatchKind::DocumentOperation {
+                    method,
+                    allow_index_creation,
+                    primary_key,
+                    operation_ids: deletion_ids,
+                })
+            }
+            // we can't autobatch a deletion and an import if the index does not exists but would be created by an addition
             (
                 this @ BatchKind::DocumentDeletion { .. },
                 K::DocumentImport { .. }
@@ -648,36 +685,36 @@ mod tests {
         debug_snapshot!(autobatch_from(false,None,  [settings(false)]), @"Some((Settings { allow_index_creation: false, settings_ids: [0] }, false))");
         debug_snapshot!(autobatch_from(false,None,  [settings(false), settings(false), settings(false)]), @"Some((Settings { allow_index_creation: false, settings_ids: [0, 1, 2] }, false))");
 
-        // We can't autobatch document addition with document deletion
-        debug_snapshot!(autobatch_from(true, None, [doc_imp(ReplaceDocuments, true, None), doc_del()]), @"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: true, primary_key: None, operation_ids: [0] }, true))");
-        debug_snapshot!(autobatch_from(true, None, [doc_imp(UpdateDocuments, true, None), doc_del()]), @"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: true, primary_key: None, operation_ids: [0] }, true))");
-        debug_snapshot!(autobatch_from(true, None, [doc_imp(ReplaceDocuments, false, None), doc_del()]), @"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: false, primary_key: None, operation_ids: [0] }, false))");
-        debug_snapshot!(autobatch_from(true, None, [doc_imp(UpdateDocuments, false, None), doc_del()]), @"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: false, primary_key: None, operation_ids: [0] }, false))");
-        debug_snapshot!(autobatch_from(true, None, [doc_imp(ReplaceDocuments, true, Some("catto")), doc_del()]), @r###"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: true, primary_key: Some("catto"), operation_ids: [0] }, true))"###);
-        debug_snapshot!(autobatch_from(true, None, [doc_imp(UpdateDocuments, true, Some("catto")), doc_del()]), @r###"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: true, primary_key: Some("catto"), operation_ids: [0] }, true))"###);
-        debug_snapshot!(autobatch_from(true, None, [doc_imp(ReplaceDocuments, false, Some("catto")), doc_del()]), @r###"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: false, primary_key: Some("catto"), operation_ids: [0] }, false))"###);
-        debug_snapshot!(autobatch_from(true, None, [doc_imp(UpdateDocuments, false, Some("catto")), doc_del()]), @r###"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: false, primary_key: Some("catto"), operation_ids: [0] }, false))"###);
-        debug_snapshot!(autobatch_from(false, None, [doc_imp(ReplaceDocuments, true, None), doc_del()]), @"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: true, primary_key: None, operation_ids: [0] }, true))");
-        debug_snapshot!(autobatch_from(false, None, [doc_imp(UpdateDocuments, true, None), doc_del()]), @"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: true, primary_key: None, operation_ids: [0] }, true))");
-        debug_snapshot!(autobatch_from(false, None, [doc_imp(ReplaceDocuments, false, None), doc_del()]), @"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: false, primary_key: None, operation_ids: [0] }, false))");
-        debug_snapshot!(autobatch_from(false, None, [doc_imp(UpdateDocuments, false, None), doc_del()]), @"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: false, primary_key: None, operation_ids: [0] }, false))");
-        debug_snapshot!(autobatch_from(false, None, [doc_imp(ReplaceDocuments, true, Some("catto")), doc_del()]), @r###"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: true, primary_key: Some("catto"), operation_ids: [0] }, true))"###);
-        debug_snapshot!(autobatch_from(false, None, [doc_imp(UpdateDocuments, true, Some("catto")), doc_del()]), @r###"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: true, primary_key: Some("catto"), operation_ids: [0] }, true))"###);
-        debug_snapshot!(autobatch_from(false, None, [doc_imp(ReplaceDocuments, false, Some("catto")), doc_del()]), @r###"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: false, primary_key: Some("catto"), operation_ids: [0] }, false))"###);
-        debug_snapshot!(autobatch_from(false, None, [doc_imp(UpdateDocuments, false, Some("catto")), doc_del()]), @r###"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: false, primary_key: Some("catto"), operation_ids: [0] }, false))"###);
-        // we also can't do the only way around
-        debug_snapshot!(autobatch_from(true, None, [doc_del(), doc_imp(ReplaceDocuments, true, None)]), @"Some((DocumentDeletion { deletion_ids: [0] }, false))");
-        debug_snapshot!(autobatch_from(true, None, [doc_del(), doc_imp(UpdateDocuments, true, None)]), @"Some((DocumentDeletion { deletion_ids: [0] }, false))");
-        debug_snapshot!(autobatch_from(true, None, [doc_del(), doc_imp(ReplaceDocuments, false, None)]), @"Some((DocumentDeletion { deletion_ids: [0] }, false))");
-        debug_snapshot!(autobatch_from(true, None, [doc_del(), doc_imp(UpdateDocuments, false, None)]), @"Some((DocumentDeletion { deletion_ids: [0] }, false))");
-        debug_snapshot!(autobatch_from(true, None, [doc_del(), doc_imp(ReplaceDocuments, true, Some("catto"))]), @"Some((DocumentDeletion { deletion_ids: [0] }, false))");
-        debug_snapshot!(autobatch_from(true, None, [doc_del(), doc_imp(UpdateDocuments, true, Some("catto"))]), @"Some((DocumentDeletion { deletion_ids: [0] }, false))");
-        debug_snapshot!(autobatch_from(true, None, [doc_del(), doc_imp(ReplaceDocuments, false, Some("catto"))]), @"Some((DocumentDeletion { deletion_ids: [0] }, false))");
-        debug_snapshot!(autobatch_from(true, None, [doc_del(), doc_imp(UpdateDocuments, false, Some("catto"))]), @"Some((DocumentDeletion { deletion_ids: [0] }, false))");
-        debug_snapshot!(autobatch_from(false, None, [doc_del(), doc_imp(ReplaceDocuments, false, None)]), @"Some((DocumentDeletion { deletion_ids: [0] }, false))");
-        debug_snapshot!(autobatch_from(false, None, [doc_del(), doc_imp(UpdateDocuments, false, None)]), @"Some((DocumentDeletion { deletion_ids: [0] }, false))");
-        debug_snapshot!(autobatch_from(false, None, [doc_del(), doc_imp(ReplaceDocuments, false, Some("catto"))]), @"Some((DocumentDeletion { deletion_ids: [0] }, false))");
-        debug_snapshot!(autobatch_from(false, None, [doc_del(), doc_imp(UpdateDocuments, false, Some("catto"))]), @"Some((DocumentDeletion { deletion_ids: [0] }, false))");
+        // We can autobatch document addition with document deletion
+        debug_snapshot!(autobatch_from(true, None, [doc_imp(ReplaceDocuments, true, None), doc_del()]), @"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: true, primary_key: None, operation_ids: [0, 1] }, true))");
+        debug_snapshot!(autobatch_from(true, None, [doc_imp(UpdateDocuments, true, None), doc_del()]), @"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: true, primary_key: None, operation_ids: [0, 1] }, true))");
+        debug_snapshot!(autobatch_from(true, None, [doc_imp(ReplaceDocuments, false, None), doc_del()]), @"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: false, primary_key: None, operation_ids: [0, 1] }, false))");
+        debug_snapshot!(autobatch_from(true, None, [doc_imp(UpdateDocuments, false, None), doc_del()]), @"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: false, primary_key: None, operation_ids: [0, 1] }, false))");
+        debug_snapshot!(autobatch_from(true, None, [doc_imp(ReplaceDocuments, true, Some("catto")), doc_del()]), @r###"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: true, primary_key: Some("catto"), operation_ids: [0, 1] }, true))"###);
+        debug_snapshot!(autobatch_from(true, None, [doc_imp(UpdateDocuments, true, Some("catto")), doc_del()]), @r###"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: true, primary_key: Some("catto"), operation_ids: [0, 1] }, true))"###);
+        debug_snapshot!(autobatch_from(true, None, [doc_imp(ReplaceDocuments, false, Some("catto")), doc_del()]), @r###"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: false, primary_key: Some("catto"), operation_ids: [0, 1] }, false))"###);
+        debug_snapshot!(autobatch_from(true, None, [doc_imp(UpdateDocuments, false, Some("catto")), doc_del()]), @r###"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: false, primary_key: Some("catto"), operation_ids: [0, 1] }, false))"###);
+        debug_snapshot!(autobatch_from(false, None, [doc_imp(ReplaceDocuments, true, None), doc_del()]), @"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: true, primary_key: None, operation_ids: [0, 1] }, true))");
+        debug_snapshot!(autobatch_from(false, None, [doc_imp(UpdateDocuments, true, None), doc_del()]), @"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: true, primary_key: None, operation_ids: [0, 1] }, true))");
+        debug_snapshot!(autobatch_from(false, None, [doc_imp(ReplaceDocuments, false, None), doc_del()]), @"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: false, primary_key: None, operation_ids: [0, 1] }, false))");
+        debug_snapshot!(autobatch_from(false, None, [doc_imp(UpdateDocuments, false, None), doc_del()]), @"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: false, primary_key: None, operation_ids: [0, 1] }, false))");
+        debug_snapshot!(autobatch_from(false, None, [doc_imp(ReplaceDocuments, true, Some("catto")), doc_del()]), @r###"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: true, primary_key: Some("catto"), operation_ids: [0, 1] }, true))"###);
+        debug_snapshot!(autobatch_from(false, None, [doc_imp(UpdateDocuments, true, Some("catto")), doc_del()]), @r###"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: true, primary_key: Some("catto"), operation_ids: [0, 1] }, true))"###);
+        debug_snapshot!(autobatch_from(false, None, [doc_imp(ReplaceDocuments, false, Some("catto")), doc_del()]), @r###"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: false, primary_key: Some("catto"), operation_ids: [0, 1] }, false))"###);
+        debug_snapshot!(autobatch_from(false, None, [doc_imp(UpdateDocuments, false, Some("catto")), doc_del()]), @r###"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: false, primary_key: Some("catto"), operation_ids: [0, 1] }, false))"###);
+        // And the other way around
+        debug_snapshot!(autobatch_from(true, None, [doc_del(), doc_imp(ReplaceDocuments, true, None)]), @"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: true, primary_key: None, operation_ids: [0, 1] }, false))");
+        debug_snapshot!(autobatch_from(true, None, [doc_del(), doc_imp(UpdateDocuments, true, None)]), @"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: true, primary_key: None, operation_ids: [0, 1] }, false))");
+        debug_snapshot!(autobatch_from(true, None, [doc_del(), doc_imp(ReplaceDocuments, false, None)]), @"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: false, primary_key: None, operation_ids: [0, 1] }, false))");
+        debug_snapshot!(autobatch_from(true, None, [doc_del(), doc_imp(UpdateDocuments, false, None)]), @"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: false, primary_key: None, operation_ids: [0, 1] }, false))");
+        debug_snapshot!(autobatch_from(true, None, [doc_del(), doc_imp(ReplaceDocuments, true, Some("catto"))]), @r###"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: true, primary_key: Some("catto"), operation_ids: [0, 1] }, false))"###);
+        debug_snapshot!(autobatch_from(true, None, [doc_del(), doc_imp(UpdateDocuments, true, Some("catto"))]), @r###"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: true, primary_key: Some("catto"), operation_ids: [0, 1] }, false))"###);
+        debug_snapshot!(autobatch_from(true, None, [doc_del(), doc_imp(ReplaceDocuments, false, Some("catto"))]), @r###"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: false, primary_key: Some("catto"), operation_ids: [0, 1] }, false))"###);
+        debug_snapshot!(autobatch_from(true, None, [doc_del(), doc_imp(UpdateDocuments, false, Some("catto"))]), @r###"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: false, primary_key: Some("catto"), operation_ids: [0, 1] }, false))"###);
+        debug_snapshot!(autobatch_from(false, None, [doc_del(), doc_imp(ReplaceDocuments, false, None)]), @"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: false, primary_key: None, operation_ids: [0, 1] }, false))");
+        debug_snapshot!(autobatch_from(false, None, [doc_del(), doc_imp(UpdateDocuments, false, None)]), @"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: false, primary_key: None, operation_ids: [0, 1] }, false))");
+        debug_snapshot!(autobatch_from(false, None, [doc_del(), doc_imp(ReplaceDocuments, false, Some("catto"))]), @r###"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: false, primary_key: Some("catto"), operation_ids: [0, 1] }, false))"###);
+        debug_snapshot!(autobatch_from(false, None, [doc_del(), doc_imp(UpdateDocuments, false, Some("catto"))]), @r###"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: false, primary_key: Some("catto"), operation_ids: [0, 1] }, false))"###);
     }
 
     #[test]
diff --git a/index-scheduler/src/batch.rs b/index-scheduler/src/batch.rs
index c88234809..67f70d367 100644
--- a/index-scheduler/src/batch.rs
+++ b/index-scheduler/src/batch.rs
@@ -24,6 +24,7 @@ use std::io::BufWriter;
 
 use dump::IndexMetadata;
 use log::{debug, error, info};
+use meilisearch_types::error::Code;
 use meilisearch_types::heed::{RoTxn, RwTxn};
 use meilisearch_types::milli::documents::{obkv_to_object, DocumentsBatchReader};
 use meilisearch_types::milli::heed::CompactionOption;
@@ -1491,7 +1492,12 @@ fn delete_document_by_filter(filter: &serde_json::Value, index: Index) -> Result
     Ok(if let Some(filter) = filter {
         let mut wtxn = index.write_txn()?;
 
-        let candidates = filter.evaluate(&wtxn, &index)?;
+        let candidates = filter.evaluate(&wtxn, &index).map_err(|err| match err {
+            milli::Error::UserError(milli::UserError::InvalidFilter(_)) => {
+                Error::from(err).with_custom_error_code(Code::InvalidDocumentFilter)
+            }
+            e => e.into(),
+        })?;
         let mut delete_operation = DeleteDocuments::new(&mut wtxn, &index)?;
         delete_operation.delete_documents(&candidates);
         let deleted_documents =
diff --git a/index-scheduler/src/error.rs b/index-scheduler/src/error.rs
index 3a19ed4d2..acab850d1 100644
--- a/index-scheduler/src/error.rs
+++ b/index-scheduler/src/error.rs
@@ -46,6 +46,8 @@ impl From<DateField> for Code {
 #[allow(clippy::large_enum_variant)]
 #[derive(Error, Debug)]
 pub enum Error {
+    #[error("{1}")]
+    WithCustomErrorCode(Code, Box<Self>),
     #[error("Index `{0}` not found.")]
     IndexNotFound(String),
     #[error("Index `{0}` already exists.")]
@@ -144,6 +146,7 @@ impl Error {
     pub fn is_recoverable(&self) -> bool {
         match self {
             Error::IndexNotFound(_)
+            | Error::WithCustomErrorCode(_, _)
             | Error::IndexAlreadyExists(_)
             | Error::SwapDuplicateIndexFound(_)
             | Error::SwapDuplicateIndexesFound(_)
@@ -176,11 +179,16 @@ impl Error {
             Error::PlannedFailure => false,
         }
     }
+
+    pub fn with_custom_error_code(self, code: Code) -> Self {
+        Self::WithCustomErrorCode(code, Box::new(self))
+    }
 }
 
 impl ErrorCode for Error {
     fn error_code(&self) -> Code {
         match self {
+            Error::WithCustomErrorCode(code, _) => *code,
             Error::IndexNotFound(_) => Code::IndexNotFound,
             Error::IndexAlreadyExists(_) => Code::IndexAlreadyExists,
             Error::SwapDuplicateIndexesFound(_) => Code::InvalidSwapDuplicateIndexFound,
diff --git a/index-scheduler/src/index_mapper/index_map.rs b/index-scheduler/src/index_mapper/index_map.rs
index d140d4944..9bed4fe5d 100644
--- a/index-scheduler/src/index_mapper/index_map.rs
+++ b/index-scheduler/src/index_mapper/index_map.rs
@@ -5,6 +5,7 @@ use std::collections::BTreeMap;
 use std::path::Path;
 use std::time::Duration;
 
+use meilisearch_types::heed::flags::Flags;
 use meilisearch_types::heed::{EnvClosingEvent, EnvOpenOptions};
 use meilisearch_types::milli::Index;
 use time::OffsetDateTime;
@@ -53,6 +54,7 @@ pub struct IndexMap {
 pub struct ClosingIndex {
     uuid: Uuid,
     closing_event: EnvClosingEvent,
+    enable_mdb_writemap: bool,
     map_size: usize,
     generation: usize,
 }
@@ -68,6 +70,7 @@ impl ClosingIndex {
     pub fn wait_timeout(self, timeout: Duration) -> Option<ReopenableIndex> {
         self.closing_event.wait_timeout(timeout).then_some(ReopenableIndex {
             uuid: self.uuid,
+            enable_mdb_writemap: self.enable_mdb_writemap,
             map_size: self.map_size,
             generation: self.generation,
         })
@@ -76,6 +79,7 @@ impl ClosingIndex {
 
 pub struct ReopenableIndex {
     uuid: Uuid,
+    enable_mdb_writemap: bool,
     map_size: usize,
     generation: usize,
 }
@@ -103,7 +107,7 @@ impl ReopenableIndex {
                 return Ok(());
             }
             map.unavailable.remove(&self.uuid);
-            map.create(&self.uuid, path, None, self.map_size)?;
+            map.create(&self.uuid, path, None, self.enable_mdb_writemap, self.map_size)?;
         }
         Ok(())
     }
@@ -170,16 +174,17 @@ impl IndexMap {
         uuid: &Uuid,
         path: &Path,
         date: Option<(OffsetDateTime, OffsetDateTime)>,
+        enable_mdb_writemap: bool,
         map_size: usize,
     ) -> Result<Index> {
         if !matches!(self.get_unavailable(uuid), Missing) {
             panic!("Attempt to open an index that was unavailable");
         }
-        let index = create_or_open_index(path, date, map_size)?;
+        let index = create_or_open_index(path, date, enable_mdb_writemap, map_size)?;
         match self.available.insert(*uuid, index.clone()) {
             InsertionOutcome::InsertedNew => (),
             InsertionOutcome::Evicted(evicted_uuid, evicted_index) => {
-                self.close(evicted_uuid, evicted_index, 0);
+                self.close(evicted_uuid, evicted_index, enable_mdb_writemap, 0);
             }
             InsertionOutcome::Replaced(_) => {
                 panic!("Attempt to open an index that was already opened")
@@ -212,17 +217,30 @@ impl IndexMap {
     /// | Closing         | Closing       |
     /// | Available       | Closing       |
     ///
-    pub fn close_for_resize(&mut self, uuid: &Uuid, map_size_growth: usize) {
+    pub fn close_for_resize(
+        &mut self,
+        uuid: &Uuid,
+        enable_mdb_writemap: bool,
+        map_size_growth: usize,
+    ) {
         let Some(index) = self.available.remove(uuid) else { return; };
-        self.close(*uuid, index, map_size_growth);
+        self.close(*uuid, index, enable_mdb_writemap, map_size_growth);
     }
 
-    fn close(&mut self, uuid: Uuid, index: Index, map_size_growth: usize) {
+    fn close(
+        &mut self,
+        uuid: Uuid,
+        index: Index,
+        enable_mdb_writemap: bool,
+        map_size_growth: usize,
+    ) {
         let map_size = index.map_size().unwrap_or(DEFAULT_MAP_SIZE) + map_size_growth;
         let closing_event = index.prepare_for_closing();
         let generation = self.next_generation();
-        self.unavailable
-            .insert(uuid, Some(ClosingIndex { uuid, closing_event, map_size, generation }));
+        self.unavailable.insert(
+            uuid,
+            Some(ClosingIndex { uuid, closing_event, enable_mdb_writemap, map_size, generation }),
+        );
     }
 
     /// Attempts to delete and index.
@@ -282,11 +300,15 @@ impl IndexMap {
 fn create_or_open_index(
     path: &Path,
     date: Option<(OffsetDateTime, OffsetDateTime)>,
+    enable_mdb_writemap: bool,
     map_size: usize,
 ) -> Result<Index> {
     let mut options = EnvOpenOptions::new();
     options.map_size(clamp_to_page_size(map_size));
     options.max_readers(1024);
+    if enable_mdb_writemap {
+        unsafe { options.flag(Flags::MdbWriteMap) };
+    }
 
     if let Some((created, updated)) = date {
         Ok(Index::new_with_creation_dates(options, path, created, updated)?)
diff --git a/index-scheduler/src/index_mapper/mod.rs b/index-scheduler/src/index_mapper/mod.rs
index 2bf6f46ad..18aed42b0 100644
--- a/index-scheduler/src/index_mapper/mod.rs
+++ b/index-scheduler/src/index_mapper/mod.rs
@@ -66,6 +66,8 @@ pub struct IndexMapper {
     index_base_map_size: usize,
     /// The quantity by which the map size of an index is incremented upon reopening, in bytes.
     index_growth_amount: usize,
+    /// Whether we open a meilisearch index with the MDB_WRITEMAP option or not.
+    enable_mdb_writemap: bool,
     pub indexer_config: Arc<IndexerConfig>,
 }
 
@@ -88,8 +90,17 @@ pub enum IndexStatus {
 pub struct IndexStats {
     /// Number of documents in the index.
     pub number_of_documents: u64,
-    /// Size of the index' DB, in bytes.
+    /// Size taken up by the index' DB, in bytes.
+    ///
+    /// This includes the size taken by both the used and free pages of the DB, and as the free pages
+    /// are not returned to the disk after a deletion, this number is typically larger than
+    /// `used_database_size` that only includes the size of the used pages.
     pub database_size: u64,
+    /// Size taken by the used pages of the index' DB, in bytes.
+    ///
+    /// As the DB backend does not return to the disk the pages that are not currently used by the DB,
+    /// this value is typically smaller than `database_size`.
+    pub used_database_size: u64,
     /// Association of every field name with the number of times it occurs in the documents.
     pub field_distribution: FieldDistribution,
     /// Creation date of the index.
@@ -105,10 +116,10 @@ impl IndexStats {
     ///
     /// - rtxn: a RO transaction for the index, obtained from `Index::read_txn()`.
     pub fn new(index: &Index, rtxn: &RoTxn) -> Result<Self> {
-        let database_size = index.on_disk_size()?;
         Ok(IndexStats {
             number_of_documents: index.number_of_documents(rtxn)?,
-            database_size,
+            database_size: index.on_disk_size()?,
+            used_database_size: index.used_size()?,
             field_distribution: index.field_distribution(rtxn)?,
             created_at: index.created_at(rtxn)?,
             updated_at: index.updated_at(rtxn)?,
@@ -123,15 +134,22 @@ impl IndexMapper {
         index_base_map_size: usize,
         index_growth_amount: usize,
         index_count: usize,
+        enable_mdb_writemap: bool,
         indexer_config: IndexerConfig,
     ) -> Result<Self> {
+        let mut wtxn = env.write_txn()?;
+        let index_mapping = env.create_database(&mut wtxn, Some(INDEX_MAPPING))?;
+        let index_stats = env.create_database(&mut wtxn, Some(INDEX_STATS))?;
+        wtxn.commit()?;
+
         Ok(Self {
             index_map: Arc::new(RwLock::new(IndexMap::new(index_count))),
-            index_mapping: env.create_database(Some(INDEX_MAPPING))?,
-            index_stats: env.create_database(Some(INDEX_STATS))?,
+            index_mapping,
+            index_stats,
             base_path,
             index_base_map_size,
             index_growth_amount,
+            enable_mdb_writemap,
             indexer_config: Arc::new(indexer_config),
         })
     }
@@ -162,6 +180,7 @@ impl IndexMapper {
                     &uuid,
                     &index_path,
                     date,
+                    self.enable_mdb_writemap,
                     self.index_base_map_size,
                 )?;
 
@@ -273,7 +292,11 @@ impl IndexMapper {
             .ok_or_else(|| Error::IndexNotFound(name.to_string()))?;
 
         // We remove the index from the in-memory index map.
-        self.index_map.write().unwrap().close_for_resize(&uuid, self.index_growth_amount);
+        self.index_map.write().unwrap().close_for_resize(
+            &uuid,
+            self.enable_mdb_writemap,
+            self.index_growth_amount,
+        );
 
         Ok(())
     }
@@ -338,6 +361,7 @@ impl IndexMapper {
                                 &uuid,
                                 &index_path,
                                 None,
+                                self.enable_mdb_writemap,
                                 self.index_base_map_size,
                             )?;
                         }
diff --git a/index-scheduler/src/lib.rs b/index-scheduler/src/lib.rs
index af20ba1ae..0f0ecf52a 100644
--- a/index-scheduler/src/lib.rs
+++ b/index-scheduler/src/lib.rs
@@ -31,7 +31,7 @@ mod uuid_codec;
 pub type Result<T> = std::result::Result<T, Error>;
 pub type TaskId = u32;
 
-use std::collections::HashMap;
+use std::collections::{BTreeMap, HashMap};
 use std::ops::{Bound, RangeBounds};
 use std::path::{Path, PathBuf};
 use std::sync::atomic::AtomicBool;
@@ -233,6 +233,8 @@ pub struct IndexSchedulerOptions {
     pub task_db_size: usize,
     /// The size, in bytes, with which a meilisearch index is opened the first time of each meilisearch index.
     pub index_base_map_size: usize,
+    /// Whether we open a meilisearch index with the MDB_WRITEMAP option or not.
+    pub enable_mdb_writemap: bool,
     /// The size, in bytes, by which the map size of an index is increased when it resized due to being full.
     pub index_growth_amount: usize,
     /// The number of indexes that can be concurrently opened in memory.
@@ -374,6 +376,11 @@ impl IndexScheduler {
         std::fs::create_dir_all(&options.indexes_path)?;
         std::fs::create_dir_all(&options.dumps_path)?;
 
+        if cfg!(windows) && options.enable_mdb_writemap {
+            // programmer error if this happens: in normal use passing the option on Windows is an error in main
+            panic!("Windows doesn't support the MDB_WRITEMAP LMDB option");
+        }
+
         let task_db_size = clamp_to_page_size(options.task_db_size);
         let budget = if options.indexer_config.skip_index_budget {
             IndexBudget {
@@ -396,25 +403,37 @@ impl IndexScheduler {
             .open(options.tasks_path)?;
         let file_store = FileStore::new(&options.update_file_path)?;
 
+        let mut wtxn = env.write_txn()?;
+        let all_tasks = env.create_database(&mut wtxn, Some(db_name::ALL_TASKS))?;
+        let status = env.create_database(&mut wtxn, Some(db_name::STATUS))?;
+        let kind = env.create_database(&mut wtxn, Some(db_name::KIND))?;
+        let index_tasks = env.create_database(&mut wtxn, Some(db_name::INDEX_TASKS))?;
+        let canceled_by = env.create_database(&mut wtxn, Some(db_name::CANCELED_BY))?;
+        let enqueued_at = env.create_database(&mut wtxn, Some(db_name::ENQUEUED_AT))?;
+        let started_at = env.create_database(&mut wtxn, Some(db_name::STARTED_AT))?;
+        let finished_at = env.create_database(&mut wtxn, Some(db_name::FINISHED_AT))?;
+        wtxn.commit()?;
+
         // allow unreachable_code to get rids of the warning in the case of a test build.
         let this = Self {
             must_stop_processing: MustStopProcessing::default(),
             processing_tasks: Arc::new(RwLock::new(ProcessingTasks::new())),
             file_store,
-            all_tasks: env.create_database(Some(db_name::ALL_TASKS))?,
-            status: env.create_database(Some(db_name::STATUS))?,
-            kind: env.create_database(Some(db_name::KIND))?,
-            index_tasks: env.create_database(Some(db_name::INDEX_TASKS))?,
-            canceled_by: env.create_database(Some(db_name::CANCELED_BY))?,
-            enqueued_at: env.create_database(Some(db_name::ENQUEUED_AT))?,
-            started_at: env.create_database(Some(db_name::STARTED_AT))?,
-            finished_at: env.create_database(Some(db_name::FINISHED_AT))?,
+            all_tasks,
+            status,
+            kind,
+            index_tasks,
+            canceled_by,
+            enqueued_at,
+            started_at,
+            finished_at,
             index_mapper: IndexMapper::new(
                 &env,
                 options.indexes_path,
                 budget.map_size,
                 options.index_growth_amount,
                 budget.index_count,
+                options.enable_mdb_writemap,
                 options.indexer_config,
             )?,
             env,
@@ -554,10 +573,16 @@ impl IndexScheduler {
         &self.index_mapper.indexer_config
     }
 
+    /// Return the real database size (i.e.: The size **with** the free pages)
     pub fn size(&self) -> Result<u64> {
         Ok(self.env.real_disk_size()?)
     }
 
+    /// Return the used database size (i.e.: The size **without** the free pages)
+    pub fn used_size(&self) -> Result<u64> {
+        Ok(self.env.non_free_pages_size()?)
+    }
+
     /// Return the index corresponding to the name.
     ///
     /// * If the index wasn't opened before, the index will be opened.
@@ -737,6 +762,38 @@ impl IndexScheduler {
         Ok(tasks)
     }
 
+    /// The returned structure contains:
+    /// 1. The name of the property being observed can be `statuses`, `types`, or `indexes`.
+    /// 2. The name of the specific data related to the property can be `enqueued` for the `statuses`, `settingsUpdate` for the `types`, or the name of the index for the `indexes`, for example.
+    /// 3. The number of times the properties appeared.
+    pub fn get_stats(&self) -> Result<BTreeMap<String, BTreeMap<String, u64>>> {
+        let rtxn = self.read_txn()?;
+
+        let mut res = BTreeMap::new();
+
+        res.insert(
+            "statuses".to_string(),
+            enum_iterator::all::<Status>()
+                .map(|s| Ok((s.to_string(), self.get_status(&rtxn, s)?.len())))
+                .collect::<Result<BTreeMap<String, u64>>>()?,
+        );
+        res.insert(
+            "types".to_string(),
+            enum_iterator::all::<Kind>()
+                .map(|s| Ok((s.to_string(), self.get_kind(&rtxn, s)?.len())))
+                .collect::<Result<BTreeMap<String, u64>>>()?,
+        );
+        res.insert(
+            "indexes".to_string(),
+            self.index_tasks
+                .iter(&rtxn)?
+                .map(|res| Ok(res.map(|(name, bitmap)| (name.to_string(), bitmap.len()))?))
+                .collect::<Result<BTreeMap<String, u64>>>()?,
+        );
+
+        Ok(res)
+    }
+
     /// Return true iff there is at least one task associated with this index
     /// that is processing.
     pub fn is_index_processing(&self, index: &str) -> Result<bool> {
@@ -1471,6 +1528,7 @@ mod tests {
                 dumps_path: tempdir.path().join("dumps"),
                 task_db_size: 1000 * 1000, // 1 MB, we don't use MiB on purpose.
                 index_base_map_size: 1000 * 1000, // 1 MB, we don't use MiB on purpose.
+                enable_mdb_writemap: false,
                 index_growth_amount: 1000 * 1000, // 1 MB
                 index_count: 5,
                 indexer_config,
@@ -2017,6 +2075,105 @@ mod tests {
         snapshot!(snapshot_index_scheduler(&index_scheduler), name: "both_task_succeeded");
     }
 
+    #[test]
+    fn document_addition_and_document_deletion() {
+        let (index_scheduler, mut handle) = IndexScheduler::test(true, vec![]);
+
+        let content = r#"[
+            { "id": 1, "doggo": "jean bob" },
+            { "id": 2, "catto": "jorts" },
+            { "id": 3, "doggo": "bork" }
+        ]"#;
+
+        let (uuid, mut file) = index_scheduler.create_update_file_with_uuid(0).unwrap();
+        let documents_count = read_json(content.as_bytes(), file.as_file_mut()).unwrap();
+        file.persist().unwrap();
+        index_scheduler
+            .register(KindWithContent::DocumentAdditionOrUpdate {
+                index_uid: S("doggos"),
+                primary_key: Some(S("id")),
+                method: ReplaceDocuments,
+                content_file: uuid,
+                documents_count,
+                allow_index_creation: true,
+            })
+            .unwrap();
+        snapshot!(snapshot_index_scheduler(&index_scheduler), name: "registered_the_first_task");
+        index_scheduler
+            .register(KindWithContent::DocumentDeletion {
+                index_uid: S("doggos"),
+                documents_ids: vec![S("1"), S("2")],
+            })
+            .unwrap();
+        snapshot!(snapshot_index_scheduler(&index_scheduler), name: "registered_the_second_task");
+
+        handle.advance_one_successful_batch(); // The addition AND deletion should've been batched together
+        snapshot!(snapshot_index_scheduler(&index_scheduler), name: "after_processing_the_batch");
+
+        let index = index_scheduler.index("doggos").unwrap();
+        let rtxn = index.read_txn().unwrap();
+        let field_ids_map = index.fields_ids_map(&rtxn).unwrap();
+        let field_ids = field_ids_map.ids().collect::<Vec<_>>();
+        let documents = index
+            .all_documents(&rtxn)
+            .unwrap()
+            .map(|ret| obkv_to_json(&field_ids, &field_ids_map, ret.unwrap().1).unwrap())
+            .collect::<Vec<_>>();
+        snapshot!(serde_json::to_string_pretty(&documents).unwrap(), name: "documents");
+    }
+
+    #[test]
+    fn document_deletion_and_document_addition() {
+        let (index_scheduler, mut handle) = IndexScheduler::test(true, vec![]);
+        index_scheduler
+            .register(KindWithContent::DocumentDeletion {
+                index_uid: S("doggos"),
+                documents_ids: vec![S("1"), S("2")],
+            })
+            .unwrap();
+        snapshot!(snapshot_index_scheduler(&index_scheduler), name: "registered_the_first_task");
+
+        let content = r#"[
+            { "id": 1, "doggo": "jean bob" },
+            { "id": 2, "catto": "jorts" },
+            { "id": 3, "doggo": "bork" }
+        ]"#;
+
+        let (uuid, mut file) = index_scheduler.create_update_file_with_uuid(0).unwrap();
+        let documents_count = read_json(content.as_bytes(), file.as_file_mut()).unwrap();
+        file.persist().unwrap();
+        index_scheduler
+            .register(KindWithContent::DocumentAdditionOrUpdate {
+                index_uid: S("doggos"),
+                primary_key: Some(S("id")),
+                method: ReplaceDocuments,
+                content_file: uuid,
+                documents_count,
+                allow_index_creation: true,
+            })
+            .unwrap();
+        snapshot!(snapshot_index_scheduler(&index_scheduler), name: "registered_the_second_task");
+
+        // The deletion should have failed because it can't create an index
+        handle.advance_one_failed_batch();
+        snapshot!(snapshot_index_scheduler(&index_scheduler), name: "after_failing_the_deletion");
+
+        // The addition should works
+        handle.advance_one_successful_batch();
+        snapshot!(snapshot_index_scheduler(&index_scheduler), name: "after_last_successful_addition");
+
+        let index = index_scheduler.index("doggos").unwrap();
+        let rtxn = index.read_txn().unwrap();
+        let field_ids_map = index.fields_ids_map(&rtxn).unwrap();
+        let field_ids = field_ids_map.ids().collect::<Vec<_>>();
+        let documents = index
+            .all_documents(&rtxn)
+            .unwrap()
+            .map(|ret| obkv_to_json(&field_ids, &field_ids_map, ret.unwrap().1).unwrap())
+            .collect::<Vec<_>>();
+        snapshot!(serde_json::to_string_pretty(&documents).unwrap(), name: "documents");
+    }
+
     #[test]
     fn do_not_batch_task_of_different_indexes() {
         let (index_scheduler, mut handle) = IndexScheduler::test(true, vec![]);
diff --git a/index-scheduler/src/snapshots/lib.rs/document_addition_and_document_deletion/after_processing_the_batch.snap b/index-scheduler/src/snapshots/lib.rs/document_addition_and_document_deletion/after_processing_the_batch.snap
new file mode 100644
index 000000000..b27288a0f
--- /dev/null
+++ b/index-scheduler/src/snapshots/lib.rs/document_addition_and_document_deletion/after_processing_the_batch.snap
@@ -0,0 +1,43 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: succeeded, details: { received_documents: 3, indexed_documents: Some(3) }, kind: DocumentAdditionOrUpdate { index_uid: "doggos", primary_key: Some("id"), method: ReplaceDocuments, content_file: 00000000-0000-0000-0000-000000000000, documents_count: 3, allow_index_creation: true }}
+1 {uid: 1, status: succeeded, details: { received_document_ids: 2, deleted_documents: Some(2) }, kind: DocumentDeletion { index_uid: "doggos", documents_ids: ["1", "2"] }}
+----------------------------------------------------------------------
+### Status:
+enqueued []
+succeeded [0,1,]
+----------------------------------------------------------------------
+### Kind:
+"documentAdditionOrUpdate" [0,]
+"documentDeletion" [1,]
+----------------------------------------------------------------------
+### Index Tasks:
+doggos [0,1,]
+----------------------------------------------------------------------
+### Index Mapper:
+doggos: { number_of_documents: 1, field_distribution: {"doggo": 1, "id": 1} }
+
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### Started At:
+[timestamp] [0,1,]
+----------------------------------------------------------------------
+### Finished At:
+[timestamp] [0,1,]
+----------------------------------------------------------------------
+### File Store:
+
+----------------------------------------------------------------------
+
diff --git a/index-scheduler/src/snapshots/lib.rs/document_addition_and_document_deletion/documents.snap b/index-scheduler/src/snapshots/lib.rs/document_addition_and_document_deletion/documents.snap
new file mode 100644
index 000000000..2b56b71d1
--- /dev/null
+++ b/index-scheduler/src/snapshots/lib.rs/document_addition_and_document_deletion/documents.snap
@@ -0,0 +1,9 @@
+---
+source: index-scheduler/src/lib.rs
+---
+[
+  {
+    "id": 3,
+    "doggo": "bork"
+  }
+]
diff --git a/index-scheduler/src/snapshots/lib.rs/document_addition_and_document_deletion/registered_the_first_task.snap b/index-scheduler/src/snapshots/lib.rs/document_addition_and_document_deletion/registered_the_first_task.snap
new file mode 100644
index 000000000..d26e62bff
--- /dev/null
+++ b/index-scheduler/src/snapshots/lib.rs/document_addition_and_document_deletion/registered_the_first_task.snap
@@ -0,0 +1,37 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: enqueued, details: { received_documents: 3, indexed_documents: None }, kind: DocumentAdditionOrUpdate { index_uid: "doggos", primary_key: Some("id"), method: ReplaceDocuments, content_file: 00000000-0000-0000-0000-000000000000, documents_count: 3, allow_index_creation: true }}
+----------------------------------------------------------------------
+### Status:
+enqueued [0,]
+----------------------------------------------------------------------
+### Kind:
+"documentAdditionOrUpdate" [0,]
+----------------------------------------------------------------------
+### Index Tasks:
+doggos [0,]
+----------------------------------------------------------------------
+### Index Mapper:
+
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+----------------------------------------------------------------------
+### Started At:
+----------------------------------------------------------------------
+### Finished At:
+----------------------------------------------------------------------
+### File Store:
+00000000-0000-0000-0000-000000000000
+
+----------------------------------------------------------------------
+
diff --git a/index-scheduler/src/snapshots/lib.rs/document_addition_and_document_deletion/registered_the_second_task.snap b/index-scheduler/src/snapshots/lib.rs/document_addition_and_document_deletion/registered_the_second_task.snap
new file mode 100644
index 000000000..e0f371120
--- /dev/null
+++ b/index-scheduler/src/snapshots/lib.rs/document_addition_and_document_deletion/registered_the_second_task.snap
@@ -0,0 +1,40 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: enqueued, details: { received_documents: 3, indexed_documents: None }, kind: DocumentAdditionOrUpdate { index_uid: "doggos", primary_key: Some("id"), method: ReplaceDocuments, content_file: 00000000-0000-0000-0000-000000000000, documents_count: 3, allow_index_creation: true }}
+1 {uid: 1, status: enqueued, details: { received_document_ids: 2, deleted_documents: None }, kind: DocumentDeletion { index_uid: "doggos", documents_ids: ["1", "2"] }}
+----------------------------------------------------------------------
+### Status:
+enqueued [0,1,]
+----------------------------------------------------------------------
+### Kind:
+"documentAdditionOrUpdate" [0,]
+"documentDeletion" [1,]
+----------------------------------------------------------------------
+### Index Tasks:
+doggos [0,1,]
+----------------------------------------------------------------------
+### Index Mapper:
+
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### Started At:
+----------------------------------------------------------------------
+### Finished At:
+----------------------------------------------------------------------
+### File Store:
+00000000-0000-0000-0000-000000000000
+
+----------------------------------------------------------------------
+
diff --git a/index-scheduler/src/snapshots/lib.rs/document_deletion_and_document_addition/after_failing_the_deletion.snap b/index-scheduler/src/snapshots/lib.rs/document_deletion_and_document_addition/after_failing_the_deletion.snap
new file mode 100644
index 000000000..1d4aa24e2
--- /dev/null
+++ b/index-scheduler/src/snapshots/lib.rs/document_deletion_and_document_addition/after_failing_the_deletion.snap
@@ -0,0 +1,43 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: failed, error: ResponseError { code: 200, message: "Index `doggos` not found.", error_code: "index_not_found", error_type: "invalid_request", error_link: "https://docs.meilisearch.com/errors#index_not_found" }, details: { received_document_ids: 2, deleted_documents: Some(0) }, kind: DocumentDeletion { index_uid: "doggos", documents_ids: ["1", "2"] }}
+1 {uid: 1, status: enqueued, details: { received_documents: 3, indexed_documents: None }, kind: DocumentAdditionOrUpdate { index_uid: "doggos", primary_key: Some("id"), method: ReplaceDocuments, content_file: 00000000-0000-0000-0000-000000000000, documents_count: 3, allow_index_creation: true }}
+----------------------------------------------------------------------
+### Status:
+enqueued [1,]
+failed [0,]
+----------------------------------------------------------------------
+### Kind:
+"documentAdditionOrUpdate" [1,]
+"documentDeletion" [0,]
+----------------------------------------------------------------------
+### Index Tasks:
+doggos [0,1,]
+----------------------------------------------------------------------
+### Index Mapper:
+
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### Started At:
+[timestamp] [0,]
+----------------------------------------------------------------------
+### Finished At:
+[timestamp] [0,]
+----------------------------------------------------------------------
+### File Store:
+00000000-0000-0000-0000-000000000000
+
+----------------------------------------------------------------------
+
diff --git a/index-scheduler/src/snapshots/lib.rs/document_deletion_and_document_addition/after_last_successful_addition.snap b/index-scheduler/src/snapshots/lib.rs/document_deletion_and_document_addition/after_last_successful_addition.snap
new file mode 100644
index 000000000..0f9dfd3e6
--- /dev/null
+++ b/index-scheduler/src/snapshots/lib.rs/document_deletion_and_document_addition/after_last_successful_addition.snap
@@ -0,0 +1,46 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: failed, error: ResponseError { code: 200, message: "Index `doggos` not found.", error_code: "index_not_found", error_type: "invalid_request", error_link: "https://docs.meilisearch.com/errors#index_not_found" }, details: { received_document_ids: 2, deleted_documents: Some(0) }, kind: DocumentDeletion { index_uid: "doggos", documents_ids: ["1", "2"] }}
+1 {uid: 1, status: succeeded, details: { received_documents: 3, indexed_documents: Some(3) }, kind: DocumentAdditionOrUpdate { index_uid: "doggos", primary_key: Some("id"), method: ReplaceDocuments, content_file: 00000000-0000-0000-0000-000000000000, documents_count: 3, allow_index_creation: true }}
+----------------------------------------------------------------------
+### Status:
+enqueued []
+succeeded [1,]
+failed [0,]
+----------------------------------------------------------------------
+### Kind:
+"documentAdditionOrUpdate" [1,]
+"documentDeletion" [0,]
+----------------------------------------------------------------------
+### Index Tasks:
+doggos [0,1,]
+----------------------------------------------------------------------
+### Index Mapper:
+doggos: { number_of_documents: 3, field_distribution: {"catto": 1, "doggo": 2, "id": 3} }
+
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### Started At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### Finished At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### File Store:
+
+----------------------------------------------------------------------
+
diff --git a/index-scheduler/src/snapshots/lib.rs/document_deletion_and_document_addition/documents.snap b/index-scheduler/src/snapshots/lib.rs/document_deletion_and_document_addition/documents.snap
new file mode 100644
index 000000000..8204d059b
--- /dev/null
+++ b/index-scheduler/src/snapshots/lib.rs/document_deletion_and_document_addition/documents.snap
@@ -0,0 +1,17 @@
+---
+source: index-scheduler/src/lib.rs
+---
+[
+  {
+    "id": 1,
+    "doggo": "jean bob"
+  },
+  {
+    "id": 2,
+    "catto": "jorts"
+  },
+  {
+    "id": 3,
+    "doggo": "bork"
+  }
+]
diff --git a/index-scheduler/src/snapshots/lib.rs/document_deletion_and_document_addition/registered_the_first_task.snap b/index-scheduler/src/snapshots/lib.rs/document_deletion_and_document_addition/registered_the_first_task.snap
new file mode 100644
index 000000000..5753db7e6
--- /dev/null
+++ b/index-scheduler/src/snapshots/lib.rs/document_deletion_and_document_addition/registered_the_first_task.snap
@@ -0,0 +1,36 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: enqueued, details: { received_document_ids: 2, deleted_documents: None }, kind: DocumentDeletion { index_uid: "doggos", documents_ids: ["1", "2"] }}
+----------------------------------------------------------------------
+### Status:
+enqueued [0,]
+----------------------------------------------------------------------
+### Kind:
+"documentDeletion" [0,]
+----------------------------------------------------------------------
+### Index Tasks:
+doggos [0,]
+----------------------------------------------------------------------
+### Index Mapper:
+
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+----------------------------------------------------------------------
+### Started At:
+----------------------------------------------------------------------
+### Finished At:
+----------------------------------------------------------------------
+### File Store:
+
+----------------------------------------------------------------------
+
diff --git a/index-scheduler/src/snapshots/lib.rs/document_deletion_and_document_addition/registered_the_second_task.snap b/index-scheduler/src/snapshots/lib.rs/document_deletion_and_document_addition/registered_the_second_task.snap
new file mode 100644
index 000000000..0b6191f9e
--- /dev/null
+++ b/index-scheduler/src/snapshots/lib.rs/document_deletion_and_document_addition/registered_the_second_task.snap
@@ -0,0 +1,40 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: enqueued, details: { received_document_ids: 2, deleted_documents: None }, kind: DocumentDeletion { index_uid: "doggos", documents_ids: ["1", "2"] }}
+1 {uid: 1, status: enqueued, details: { received_documents: 3, indexed_documents: None }, kind: DocumentAdditionOrUpdate { index_uid: "doggos", primary_key: Some("id"), method: ReplaceDocuments, content_file: 00000000-0000-0000-0000-000000000000, documents_count: 3, allow_index_creation: true }}
+----------------------------------------------------------------------
+### Status:
+enqueued [0,1,]
+----------------------------------------------------------------------
+### Kind:
+"documentAdditionOrUpdate" [1,]
+"documentDeletion" [0,]
+----------------------------------------------------------------------
+### Index Tasks:
+doggos [0,1,]
+----------------------------------------------------------------------
+### Index Mapper:
+
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### Started At:
+----------------------------------------------------------------------
+### Finished At:
+----------------------------------------------------------------------
+### File Store:
+00000000-0000-0000-0000-000000000000
+
+----------------------------------------------------------------------
+
diff --git a/index-scheduler/src/utils.rs b/index-scheduler/src/utils.rs
index 97f437bed..3971d9116 100644
--- a/index-scheduler/src/utils.rs
+++ b/index-scheduler/src/utils.rs
@@ -466,7 +466,7 @@ impl IndexScheduler {
                         }
                     }
                     Details::DocumentDeletionByFilter { deleted_documents, original_filter: _ } => {
-                        assert_eq!(kind.as_kind(), Kind::DocumentDeletionByFilter);
+                        assert_eq!(kind.as_kind(), Kind::DocumentDeletion);
                         let (index_uid, _) = if let KindWithContent::DocumentDeletionByFilter {
                             ref index_uid,
                             ref filter_expr,
diff --git a/meilisearch-auth/src/lib.rs b/meilisearch-auth/src/lib.rs
index 2a02776bd..e74f1707c 100644
--- a/meilisearch-auth/src/lib.rs
+++ b/meilisearch-auth/src/lib.rs
@@ -45,6 +45,11 @@ impl AuthController {
         self.store.size()
     }
 
+    /// Return the used size of the `AuthController` database in bytes.
+    pub fn used_size(&self) -> Result<u64> {
+        self.store.used_size()
+    }
+
     pub fn create_key(&self, create_key: CreateApiKey) -> Result<Key> {
         match self.store.get_api_key(create_key.uid)? {
             Some(_) => Err(AuthControllerError::ApiKeyAlreadyExists(create_key.uid.to_string())),
diff --git a/meilisearch-auth/src/store.rs b/meilisearch-auth/src/store.rs
index 5c2776154..e6e30d18d 100644
--- a/meilisearch-auth/src/store.rs
+++ b/meilisearch-auth/src/store.rs
@@ -55,9 +55,11 @@ impl HeedAuthStore {
         let path = path.as_ref().join(AUTH_DB_PATH);
         create_dir_all(&path)?;
         let env = Arc::new(open_auth_store_env(path.as_ref())?);
-        let keys = env.create_database(Some(KEY_DB_NAME))?;
+        let mut wtxn = env.write_txn()?;
+        let keys = env.create_database(&mut wtxn, Some(KEY_DB_NAME))?;
         let action_keyid_index_expiration =
-            env.create_database(Some(KEY_ID_ACTION_INDEX_EXPIRATION_DB_NAME))?;
+            env.create_database(&mut wtxn, Some(KEY_ID_ACTION_INDEX_EXPIRATION_DB_NAME))?;
+        wtxn.commit()?;
         Ok(Self { env, keys, action_keyid_index_expiration, should_close_on_drop: true })
     }
 
@@ -73,6 +75,11 @@ impl HeedAuthStore {
         Ok(self.env.real_disk_size()?)
     }
 
+    /// Return the number of bytes actually used in the database
+    pub fn used_size(&self) -> Result<u64> {
+        Ok(self.env.non_free_pages_size()?)
+    }
+
     pub fn set_drop_on_close(&mut self, v: bool) {
         self.should_close_on_drop = v;
     }
diff --git a/meilisearch-types/src/deserr/mod.rs b/meilisearch-types/src/deserr/mod.rs
index 3e6ec8b96..bbaa42dc0 100644
--- a/meilisearch-types/src/deserr/mod.rs
+++ b/meilisearch-types/src/deserr/mod.rs
@@ -150,6 +150,7 @@ make_missing_field_convenience_builder!(MissingApiKeyActions, missing_api_key_ac
 make_missing_field_convenience_builder!(MissingApiKeyExpiresAt, missing_api_key_expires_at);
 make_missing_field_convenience_builder!(MissingApiKeyIndexes, missing_api_key_indexes);
 make_missing_field_convenience_builder!(MissingSwapIndexes, missing_swap_indexes);
+make_missing_field_convenience_builder!(MissingDocumentFilter, missing_document_filter);
 
 // Integrate a sub-error into a [`DeserrError`] by taking its error message but using
 // the default error code (C) from `Self`
diff --git a/meilisearch-types/src/error.rs b/meilisearch-types/src/error.rs
index bcd8320c9..1509847b7 100644
--- a/meilisearch-types/src/error.rs
+++ b/meilisearch-types/src/error.rs
@@ -214,12 +214,12 @@ InvalidApiKeyUid                      , InvalidRequest       , BAD_REQUEST ;
 InvalidContentType                    , InvalidRequest       , UNSUPPORTED_MEDIA_TYPE ;
 InvalidDocumentCsvDelimiter           , InvalidRequest       , BAD_REQUEST ;
 InvalidDocumentFields                 , InvalidRequest       , BAD_REQUEST ;
+MissingDocumentFilter                 , InvalidRequest       , BAD_REQUEST ;
 InvalidDocumentFilter                 , InvalidRequest       , BAD_REQUEST ;
 InvalidDocumentGeoField               , InvalidRequest       , BAD_REQUEST ;
 InvalidDocumentId                     , InvalidRequest       , BAD_REQUEST ;
 InvalidDocumentLimit                  , InvalidRequest       , BAD_REQUEST ;
 InvalidDocumentOffset                 , InvalidRequest       , BAD_REQUEST ;
-InvalidDocumentDeleteFilter           , InvalidRequest       , BAD_REQUEST ;
 InvalidIndexLimit                     , InvalidRequest       , BAD_REQUEST ;
 InvalidIndexOffset                    , InvalidRequest       , BAD_REQUEST ;
 InvalidIndexPrimaryKey                , InvalidRequest       , BAD_REQUEST ;
diff --git a/meilisearch-types/src/tasks.rs b/meilisearch-types/src/tasks.rs
index e746a53b8..693ee4242 100644
--- a/meilisearch-types/src/tasks.rs
+++ b/meilisearch-types/src/tasks.rs
@@ -395,7 +395,6 @@ impl std::error::Error for ParseTaskStatusError {}
 pub enum Kind {
     DocumentAdditionOrUpdate,
     DocumentDeletion,
-    DocumentDeletionByFilter,
     SettingsUpdate,
     IndexCreation,
     IndexDeletion,
@@ -412,7 +411,6 @@ impl Kind {
         match self {
             Kind::DocumentAdditionOrUpdate
             | Kind::DocumentDeletion
-            | Kind::DocumentDeletionByFilter
             | Kind::SettingsUpdate
             | Kind::IndexCreation
             | Kind::IndexDeletion
@@ -430,7 +428,6 @@ impl Display for Kind {
         match self {
             Kind::DocumentAdditionOrUpdate => write!(f, "documentAdditionOrUpdate"),
             Kind::DocumentDeletion => write!(f, "documentDeletion"),
-            Kind::DocumentDeletionByFilter => write!(f, "documentDeletionByFilter"),
             Kind::SettingsUpdate => write!(f, "settingsUpdate"),
             Kind::IndexCreation => write!(f, "indexCreation"),
             Kind::IndexDeletion => write!(f, "indexDeletion"),
diff --git a/meilisearch/src/analytics/mock_analytics.rs b/meilisearch/src/analytics/mock_analytics.rs
index 03aed0189..68c3a7dff 100644
--- a/meilisearch/src/analytics/mock_analytics.rs
+++ b/meilisearch/src/analytics/mock_analytics.rs
@@ -5,7 +5,7 @@ use actix_web::HttpRequest;
 use meilisearch_types::InstanceUid;
 use serde_json::Value;
 
-use super::{find_user_id, Analytics, DocumentDeletionKind};
+use super::{find_user_id, Analytics, DocumentDeletionKind, DocumentFetchKind};
 use crate::routes::indexes::documents::UpdateDocumentsQuery;
 use crate::routes::tasks::TasksFilterQuery;
 use crate::Opt;
@@ -71,6 +71,8 @@ impl Analytics for MockAnalytics {
         _request: &HttpRequest,
     ) {
     }
+    fn get_fetch_documents(&self, _documents_query: &DocumentFetchKind, _request: &HttpRequest) {}
+    fn post_fetch_documents(&self, _documents_query: &DocumentFetchKind, _request: &HttpRequest) {}
     fn get_tasks(&self, _query: &TasksFilterQuery, _request: &HttpRequest) {}
     fn health_seen(&self, _request: &HttpRequest) {}
 }
diff --git a/meilisearch/src/analytics/mod.rs b/meilisearch/src/analytics/mod.rs
index 6223b9db7..c48564dff 100644
--- a/meilisearch/src/analytics/mod.rs
+++ b/meilisearch/src/analytics/mod.rs
@@ -67,6 +67,12 @@ pub enum DocumentDeletionKind {
     PerFilter,
 }
 
+#[derive(Copy, Clone, Debug, PartialEq, Eq)]
+pub enum DocumentFetchKind {
+    PerDocumentId,
+    Normal { with_filter: bool, limit: usize, offset: usize },
+}
+
 pub trait Analytics: Sync + Send {
     fn instance_uid(&self) -> Option<&InstanceUid>;
 
@@ -90,6 +96,12 @@ pub trait Analytics: Sync + Send {
         request: &HttpRequest,
     );
 
+    // this method should be called to aggregate a fetch documents request
+    fn get_fetch_documents(&self, documents_query: &DocumentFetchKind, request: &HttpRequest);
+
+    // this method should be called to aggregate a fetch documents request
+    fn post_fetch_documents(&self, documents_query: &DocumentFetchKind, request: &HttpRequest);
+
     // this method should be called to aggregate a add documents request
     fn delete_documents(&self, kind: DocumentDeletionKind, request: &HttpRequest);
 
diff --git a/meilisearch/src/analytics/segment_analytics.rs b/meilisearch/src/analytics/segment_analytics.rs
index 3e40c09e8..afef95ed7 100644
--- a/meilisearch/src/analytics/segment_analytics.rs
+++ b/meilisearch/src/analytics/segment_analytics.rs
@@ -23,7 +23,9 @@ use tokio::select;
 use tokio::sync::mpsc::{self, Receiver, Sender};
 use uuid::Uuid;
 
-use super::{config_user_id_path, DocumentDeletionKind, MEILISEARCH_CONFIG_PATH};
+use super::{
+    config_user_id_path, DocumentDeletionKind, DocumentFetchKind, MEILISEARCH_CONFIG_PATH,
+};
 use crate::analytics::Analytics;
 use crate::option::{default_http_addr, IndexerOpts, MaxMemory, MaxThreads, ScheduleSnapshot};
 use crate::routes::indexes::documents::UpdateDocumentsQuery;
@@ -72,6 +74,8 @@ pub enum AnalyticsMsg {
     AggregateAddDocuments(DocumentsAggregator),
     AggregateDeleteDocuments(DocumentsDeletionAggregator),
     AggregateUpdateDocuments(DocumentsAggregator),
+    AggregateGetFetchDocuments(DocumentsFetchAggregator),
+    AggregatePostFetchDocuments(DocumentsFetchAggregator),
     AggregateTasks(TasksAggregator),
     AggregateHealth(HealthAggregator),
 }
@@ -139,6 +143,8 @@ impl SegmentAnalytics {
             add_documents_aggregator: DocumentsAggregator::default(),
             delete_documents_aggregator: DocumentsDeletionAggregator::default(),
             update_documents_aggregator: DocumentsAggregator::default(),
+            get_fetch_documents_aggregator: DocumentsFetchAggregator::default(),
+            post_fetch_documents_aggregator: DocumentsFetchAggregator::default(),
             get_tasks_aggregator: TasksAggregator::default(),
             health_aggregator: HealthAggregator::default(),
         });
@@ -205,6 +211,16 @@ impl super::Analytics for SegmentAnalytics {
         let _ = self.sender.try_send(AnalyticsMsg::AggregateUpdateDocuments(aggregate));
     }
 
+    fn get_fetch_documents(&self, documents_query: &DocumentFetchKind, request: &HttpRequest) {
+        let aggregate = DocumentsFetchAggregator::from_query(documents_query, request);
+        let _ = self.sender.try_send(AnalyticsMsg::AggregateGetFetchDocuments(aggregate));
+    }
+
+    fn post_fetch_documents(&self, documents_query: &DocumentFetchKind, request: &HttpRequest) {
+        let aggregate = DocumentsFetchAggregator::from_query(documents_query, request);
+        let _ = self.sender.try_send(AnalyticsMsg::AggregatePostFetchDocuments(aggregate));
+    }
+
     fn get_tasks(&self, query: &TasksFilterQuery, request: &HttpRequest) {
         let aggregate = TasksAggregator::from_query(query, request);
         let _ = self.sender.try_send(AnalyticsMsg::AggregateTasks(aggregate));
@@ -225,6 +241,7 @@ impl super::Analytics for SegmentAnalytics {
 struct Infos {
     env: String,
     experimental_enable_metrics: bool,
+    experimental_reduce_indexing_memory_usage: bool,
     db_path: bool,
     import_dump: bool,
     dump_dir: bool,
@@ -258,6 +275,7 @@ impl From<Opt> for Infos {
         let Opt {
             db_path,
             experimental_enable_metrics,
+            experimental_reduce_indexing_memory_usage,
             http_addr,
             master_key: _,
             env,
@@ -300,6 +318,7 @@ impl From<Opt> for Infos {
         Self {
             env,
             experimental_enable_metrics,
+            experimental_reduce_indexing_memory_usage,
             db_path: db_path != PathBuf::from("./data.ms"),
             import_dump: import_dump.is_some(),
             dump_dir: dump_dir != PathBuf::from("dumps/"),
@@ -338,6 +357,8 @@ pub struct Segment {
     add_documents_aggregator: DocumentsAggregator,
     delete_documents_aggregator: DocumentsDeletionAggregator,
     update_documents_aggregator: DocumentsAggregator,
+    get_fetch_documents_aggregator: DocumentsFetchAggregator,
+    post_fetch_documents_aggregator: DocumentsFetchAggregator,
     get_tasks_aggregator: TasksAggregator,
     health_aggregator: HealthAggregator,
 }
@@ -400,6 +421,8 @@ impl Segment {
                         Some(AnalyticsMsg::AggregateAddDocuments(agreg)) => self.add_documents_aggregator.aggregate(agreg),
                         Some(AnalyticsMsg::AggregateDeleteDocuments(agreg)) => self.delete_documents_aggregator.aggregate(agreg),
                         Some(AnalyticsMsg::AggregateUpdateDocuments(agreg)) => self.update_documents_aggregator.aggregate(agreg),
+                        Some(AnalyticsMsg::AggregateGetFetchDocuments(agreg)) => self.get_fetch_documents_aggregator.aggregate(agreg),
+                        Some(AnalyticsMsg::AggregatePostFetchDocuments(agreg)) => self.post_fetch_documents_aggregator.aggregate(agreg),
                         Some(AnalyticsMsg::AggregateTasks(agreg)) => self.get_tasks_aggregator.aggregate(agreg),
                         Some(AnalyticsMsg::AggregateHealth(agreg)) => self.health_aggregator.aggregate(agreg),
                         None => (),
@@ -450,6 +473,10 @@ impl Segment {
             .into_event(&self.user, "Documents Deleted");
         let update_documents = std::mem::take(&mut self.update_documents_aggregator)
             .into_event(&self.user, "Documents Updated");
+        let get_fetch_documents = std::mem::take(&mut self.get_fetch_documents_aggregator)
+            .into_event(&self.user, "Documents Fetched GET");
+        let post_fetch_documents = std::mem::take(&mut self.post_fetch_documents_aggregator)
+            .into_event(&self.user, "Documents Fetched POST");
         let get_tasks =
             std::mem::take(&mut self.get_tasks_aggregator).into_event(&self.user, "Tasks Seen");
         let health =
@@ -473,6 +500,12 @@ impl Segment {
         if let Some(update_documents) = update_documents {
             let _ = self.batcher.push(update_documents).await;
         }
+        if let Some(get_fetch_documents) = get_fetch_documents {
+            let _ = self.batcher.push(get_fetch_documents).await;
+        }
+        if let Some(post_fetch_documents) = post_fetch_documents {
+            let _ = self.batcher.push(post_fetch_documents).await;
+        }
         if let Some(get_tasks) = get_tasks {
             let _ = self.batcher.push(get_tasks).await;
         }
@@ -1135,3 +1168,76 @@ impl HealthAggregator {
         })
     }
 }
+
+#[derive(Default, Serialize)]
+pub struct DocumentsFetchAggregator {
+    #[serde(skip)]
+    timestamp: Option<OffsetDateTime>,
+
+    // context
+    #[serde(rename = "user-agent")]
+    user_agents: HashSet<String>,
+
+    #[serde(rename = "requests.max_limit")]
+    total_received: usize,
+
+    // a call on ../documents/:doc_id
+    per_document_id: bool,
+    // if a filter was used
+    per_filter: bool,
+
+    // pagination
+    #[serde(rename = "pagination.max_limit")]
+    max_limit: usize,
+    #[serde(rename = "pagination.max_offset")]
+    max_offset: usize,
+}
+
+impl DocumentsFetchAggregator {
+    pub fn from_query(query: &DocumentFetchKind, request: &HttpRequest) -> Self {
+        let (limit, offset) = match query {
+            DocumentFetchKind::PerDocumentId => (1, 0),
+            DocumentFetchKind::Normal { limit, offset, .. } => (*limit, *offset),
+        };
+        Self {
+            timestamp: Some(OffsetDateTime::now_utc()),
+            user_agents: extract_user_agents(request).into_iter().collect(),
+            total_received: 1,
+            per_document_id: matches!(query, DocumentFetchKind::PerDocumentId),
+            per_filter: matches!(query, DocumentFetchKind::Normal { with_filter, .. } if *with_filter),
+            max_limit: limit,
+            max_offset: offset,
+        }
+    }
+
+    /// Aggregate one [DocumentsFetchAggregator] into another.
+    pub fn aggregate(&mut self, other: Self) {
+        if self.timestamp.is_none() {
+            self.timestamp = other.timestamp;
+        }
+        for user_agent in other.user_agents {
+            self.user_agents.insert(user_agent);
+        }
+
+        self.total_received = self.total_received.saturating_add(other.total_received);
+        self.per_document_id |= other.per_document_id;
+        self.per_filter |= other.per_filter;
+
+        self.max_limit = self.max_limit.max(other.max_limit);
+        self.max_offset = self.max_offset.max(other.max_offset);
+    }
+
+    pub fn into_event(self, user: &User, event_name: &str) -> Option<Track> {
+        // if we had no timestamp it means we never encountered any events and
+        // thus we don't need to send this event.
+        let timestamp = self.timestamp?;
+
+        Some(Track {
+            timestamp: Some(timestamp),
+            user: user.clone(),
+            event: event_name.to_string(),
+            properties: serde_json::to_value(self).ok()?,
+            ..Default::default()
+        })
+    }
+}
diff --git a/meilisearch/src/error.rs b/meilisearch/src/error.rs
index 004f0d143..ca10c4593 100644
--- a/meilisearch/src/error.rs
+++ b/meilisearch/src/error.rs
@@ -61,7 +61,7 @@ impl ErrorCode for MeilisearchHttpError {
             MeilisearchHttpError::MissingPayload(_) => Code::MissingPayload,
             MeilisearchHttpError::InvalidContentType(_, _) => Code::InvalidContentType,
             MeilisearchHttpError::DocumentNotFound(_) => Code::DocumentNotFound,
-            MeilisearchHttpError::EmptyFilter => Code::InvalidDocumentDeleteFilter,
+            MeilisearchHttpError::EmptyFilter => Code::InvalidDocumentFilter,
             MeilisearchHttpError::InvalidExpression(_, _) => Code::InvalidSearchFilter,
             MeilisearchHttpError::PayloadTooLarge(_) => Code::PayloadTooLarge,
             MeilisearchHttpError::SwapIndexPayloadWrongLength(_) => Code::InvalidSwapIndexes,
diff --git a/meilisearch/src/lib.rs b/meilisearch/src/lib.rs
index 67d8bbd5c..bee53f6f8 100644
--- a/meilisearch/src/lib.rs
+++ b/meilisearch/src/lib.rs
@@ -232,6 +232,7 @@ fn open_or_create_database_unchecked(
             dumps_path: opt.dump_dir.clone(),
             task_db_size: opt.max_task_db_size.get_bytes() as usize,
             index_base_map_size: opt.max_index_size.get_bytes() as usize,
+            enable_mdb_writemap: opt.experimental_reduce_indexing_memory_usage,
             indexer_config: (&opt.indexer_options).try_into()?,
             autobatching_enabled: true,
             max_number_of_tasks: 1_000_000,
diff --git a/meilisearch/src/main.rs b/meilisearch/src/main.rs
index 2ab37488c..1b5e918dc 100644
--- a/meilisearch/src/main.rs
+++ b/meilisearch/src/main.rs
@@ -29,6 +29,11 @@ fn setup(opt: &Opt) -> anyhow::Result<()> {
 async fn main() -> anyhow::Result<()> {
     let (opt, config_read_from) = Opt::try_build()?;
 
+    anyhow::ensure!(
+        !(cfg!(windows) && opt.experimental_reduce_indexing_memory_usage),
+        "The `experimental-reduce-indexing-memory-usage` flag is not supported on Windows"
+    );
+
     setup(&opt)?;
 
     match (opt.env.as_ref(), &opt.master_key) {
diff --git a/meilisearch/src/metrics.rs b/meilisearch/src/metrics.rs
index f6fdf756d..79332f360 100644
--- a/meilisearch/src/metrics.rs
+++ b/meilisearch/src/metrics.rs
@@ -4,20 +4,32 @@ use prometheus::{
     register_int_gauge_vec, HistogramVec, IntCounterVec, IntGauge, IntGaugeVec,
 };
 
-const HTTP_RESPONSE_TIME_CUSTOM_BUCKETS: &[f64; 14] = &[
-    0.0005, 0.0008, 0.00085, 0.0009, 0.00095, 0.001, 0.00105, 0.0011, 0.00115, 0.0012, 0.0015,
-    0.002, 0.003, 1.0,
-];
+/// Create evenly distributed buckets
+fn create_buckets() -> [f64; 29] {
+    (0..10)
+        .chain((10..100).step_by(10))
+        .chain((100..=1000).step_by(100))
+        .map(|i| i as f64 / 1000.)
+        .collect::<Vec<_>>()
+        .try_into()
+        .unwrap()
+}
 
 lazy_static! {
-    pub static ref HTTP_REQUESTS_TOTAL: IntCounterVec = register_int_counter_vec!(
-        opts!("http_requests_total", "HTTP requests total"),
+    pub static ref HTTP_RESPONSE_TIME_CUSTOM_BUCKETS: [f64; 29] = create_buckets();
+    pub static ref MEILISEARCH_HTTP_REQUESTS_TOTAL: IntCounterVec = register_int_counter_vec!(
+        opts!("meilisearch_http_requests_total", "Meilisearch HTTP requests total"),
         &["method", "path"]
     )
     .expect("Can't create a metric");
     pub static ref MEILISEARCH_DB_SIZE_BYTES: IntGauge =
-        register_int_gauge!(opts!("meilisearch_db_size_bytes", "Meilisearch Db Size In Bytes"))
+        register_int_gauge!(opts!("meilisearch_db_size_bytes", "Meilisearch DB Size In Bytes"))
             .expect("Can't create a metric");
+    pub static ref MEILISEARCH_USED_DB_SIZE_BYTES: IntGauge = register_int_gauge!(opts!(
+        "meilisearch_used_db_size_bytes",
+        "Meilisearch Used DB Size In Bytes"
+    ))
+    .expect("Can't create a metric");
     pub static ref MEILISEARCH_INDEX_COUNT: IntGauge =
         register_int_gauge!(opts!("meilisearch_index_count", "Meilisearch Index Count"))
             .expect("Can't create a metric");
@@ -26,11 +38,16 @@ lazy_static! {
         &["index"]
     )
     .expect("Can't create a metric");
-    pub static ref HTTP_RESPONSE_TIME_SECONDS: HistogramVec = register_histogram_vec!(
+    pub static ref MEILISEARCH_HTTP_RESPONSE_TIME_SECONDS: HistogramVec = register_histogram_vec!(
         "http_response_time_seconds",
         "HTTP response times",
         &["method", "path"],
         HTTP_RESPONSE_TIME_CUSTOM_BUCKETS.to_vec()
     )
     .expect("Can't create a metric");
+    pub static ref MEILISEARCH_NB_TASKS: IntGaugeVec = register_int_gauge_vec!(
+        opts!("meilisearch_nb_tasks", "Meilisearch Number of tasks"),
+        &["kind", "value"]
+    )
+    .expect("Can't create a metric");
 }
diff --git a/meilisearch/src/middleware.rs b/meilisearch/src/middleware.rs
index 080a52634..a8c981dca 100644
--- a/meilisearch/src/middleware.rs
+++ b/meilisearch/src/middleware.rs
@@ -52,11 +52,11 @@ where
         if is_registered_resource {
             let request_method = req.method().to_string();
             histogram_timer = Some(
-                crate::metrics::HTTP_RESPONSE_TIME_SECONDS
+                crate::metrics::MEILISEARCH_HTTP_RESPONSE_TIME_SECONDS
                     .with_label_values(&[&request_method, request_path])
                     .start_timer(),
             );
-            crate::metrics::HTTP_REQUESTS_TOTAL
+            crate::metrics::MEILISEARCH_HTTP_REQUESTS_TOTAL
                 .with_label_values(&[&request_method, request_path])
                 .inc();
         }
diff --git a/meilisearch/src/option.rs b/meilisearch/src/option.rs
index 8e6ca9006..0511b5033 100644
--- a/meilisearch/src/option.rs
+++ b/meilisearch/src/option.rs
@@ -48,6 +48,8 @@ const MEILI_IGNORE_DUMP_IF_DB_EXISTS: &str = "MEILI_IGNORE_DUMP_IF_DB_EXISTS";
 const MEILI_DUMP_DIR: &str = "MEILI_DUMP_DIR";
 const MEILI_LOG_LEVEL: &str = "MEILI_LOG_LEVEL";
 const MEILI_EXPERIMENTAL_ENABLE_METRICS: &str = "MEILI_EXPERIMENTAL_ENABLE_METRICS";
+const MEILI_EXPERIMENTAL_REDUCE_INDEXING_MEMORY_USAGE: &str =
+    "MEILI_EXPERIMENTAL_REDUCE_INDEXING_MEMORY_USAGE";
 
 const DEFAULT_CONFIG_FILE_PATH: &str = "./config.toml";
 const DEFAULT_DB_PATH: &str = "./data.ms";
@@ -293,6 +295,11 @@ pub struct Opt {
     #[serde(default)]
     pub experimental_enable_metrics: bool,
 
+    /// Experimental RAM reduction during indexing, do not use in production, see: <https://github.com/meilisearch/product/discussions/652>
+    #[clap(long, env = MEILI_EXPERIMENTAL_REDUCE_INDEXING_MEMORY_USAGE)]
+    #[serde(default)]
+    pub experimental_reduce_indexing_memory_usage: bool,
+
     #[serde(flatten)]
     #[clap(flatten)]
     pub indexer_options: IndexerOpts,
@@ -385,6 +392,7 @@ impl Opt {
             #[cfg(all(not(debug_assertions), feature = "analytics"))]
             no_analytics,
             experimental_enable_metrics: enable_metrics_route,
+            experimental_reduce_indexing_memory_usage: reduce_indexing_memory_usage,
         } = self;
         export_to_env_if_not_present(MEILI_DB_PATH, db_path);
         export_to_env_if_not_present(MEILI_HTTP_ADDR, http_addr);
@@ -426,6 +434,10 @@ impl Opt {
             MEILI_EXPERIMENTAL_ENABLE_METRICS,
             enable_metrics_route.to_string(),
         );
+        export_to_env_if_not_present(
+            MEILI_EXPERIMENTAL_REDUCE_INDEXING_MEMORY_USAGE,
+            reduce_indexing_memory_usage.to_string(),
+        );
         indexer_options.export_to_env();
     }
 
diff --git a/meilisearch/src/routes/indexes/documents.rs b/meilisearch/src/routes/indexes/documents.rs
index eb0f5a59e..2afc1b5fb 100644
--- a/meilisearch/src/routes/indexes/documents.rs
+++ b/meilisearch/src/routes/indexes/documents.rs
@@ -29,7 +29,7 @@ use tempfile::tempfile;
 use tokio::fs::File;
 use tokio::io::{AsyncSeekExt, AsyncWriteExt, BufWriter};
 
-use crate::analytics::{Analytics, DocumentDeletionKind};
+use crate::analytics::{Analytics, DocumentDeletionKind, DocumentFetchKind};
 use crate::error::MeilisearchHttpError;
 use crate::error::PayloadError::ReceivePayload;
 use crate::extractors::authentication::policies::*;
@@ -97,10 +97,14 @@ pub async fn get_document(
     index_scheduler: GuardedData<ActionPolicy<{ actions::DOCUMENTS_GET }>, Data<IndexScheduler>>,
     document_param: web::Path<DocumentParam>,
     params: AwebQueryParameter<GetDocument, DeserrQueryParamError>,
+    req: HttpRequest,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let DocumentParam { index_uid, document_id } = document_param.into_inner();
     let index_uid = IndexUid::try_from(index_uid)?;
 
+    analytics.get_fetch_documents(&DocumentFetchKind::PerDocumentId, &req);
+
     let GetDocument { fields } = params.into_inner();
     let attributes_to_retrieve = fields.merge_star_and_none();
 
@@ -161,16 +165,31 @@ pub async fn documents_by_query_post(
     index_scheduler: GuardedData<ActionPolicy<{ actions::DOCUMENTS_GET }>, Data<IndexScheduler>>,
     index_uid: web::Path<String>,
     body: AwebJson<BrowseQuery, DeserrJsonError>,
+    req: HttpRequest,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     debug!("called with body: {:?}", body);
 
-    documents_by_query(&index_scheduler, index_uid, body.into_inner())
+    let body = body.into_inner();
+
+    analytics.post_fetch_documents(
+        &DocumentFetchKind::Normal {
+            with_filter: body.filter.is_some(),
+            limit: body.limit,
+            offset: body.offset,
+        },
+        &req,
+    );
+
+    documents_by_query(&index_scheduler, index_uid, body)
 }
 
 pub async fn get_documents(
     index_scheduler: GuardedData<ActionPolicy<{ actions::DOCUMENTS_GET }>, Data<IndexScheduler>>,
     index_uid: web::Path<String>,
     params: AwebQueryParameter<BrowseQueryGet, DeserrQueryParamError>,
+    req: HttpRequest,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     debug!("called with params: {:?}", params);
 
@@ -191,6 +210,15 @@ pub async fn get_documents(
         filter,
     };
 
+    analytics.get_fetch_documents(
+        &DocumentFetchKind::Normal {
+            with_filter: query.filter.is_some(),
+            limit: query.limit,
+            offset: query.offset,
+        },
+        &req,
+    );
+
     documents_by_query(&index_scheduler, index_uid, query)
 }
 
@@ -458,7 +486,7 @@ pub async fn delete_documents_batch(
 #[derive(Debug, Deserr)]
 #[deserr(error = DeserrJsonError, rename_all = camelCase, deny_unknown_fields)]
 pub struct DocumentDeletionByFilter {
-    #[deserr(error = DeserrJsonError<InvalidDocumentDeleteFilter>)]
+    #[deserr(error = DeserrJsonError<InvalidDocumentFilter>, missing_field_error = DeserrJsonError::missing_document_filter)]
     filter: Value,
 }
 
@@ -480,8 +508,8 @@ pub async fn delete_documents_by_filter(
     || -> Result<_, ResponseError> {
         Ok(crate::search::parse_filter(&filter)?.ok_or(MeilisearchHttpError::EmptyFilter)?)
     }()
-    // and whatever was the error, the error code should always be an InvalidDocumentDeleteFilter
-    .map_err(|err| ResponseError::from_msg(err.message, Code::InvalidDocumentDeleteFilter))?;
+    // and whatever was the error, the error code should always be an InvalidDocumentFilter
+    .map_err(|err| ResponseError::from_msg(err.message, Code::InvalidDocumentFilter))?;
     let task = KindWithContent::DocumentDeletionByFilter { index_uid, filter_expr: filter };
 
     let task: SummarizedTaskView =
@@ -540,7 +568,12 @@ fn retrieve_documents<S: AsRef<str>>(
     };
 
     let candidates = if let Some(filter) = filter {
-        filter.evaluate(&rtxn, index)?
+        filter.evaluate(&rtxn, index).map_err(|err| match err {
+            milli::Error::UserError(milli::UserError::InvalidFilter(_)) => {
+                ResponseError::from_msg(err.to_string(), Code::InvalidDocumentFilter)
+            }
+            e => e.into(),
+        })?
     } else {
         index.documents_ids(&rtxn)?
     };
diff --git a/meilisearch/src/routes/metrics.rs b/meilisearch/src/routes/metrics.rs
index 874a1a5a5..a7d41e33e 100644
--- a/meilisearch/src/routes/metrics.rs
+++ b/meilisearch/src/routes/metrics.rs
@@ -17,7 +17,7 @@ pub fn configure(config: &mut web::ServiceConfig) {
 
 pub async fn get_metrics(
     index_scheduler: GuardedData<ActionPolicy<{ actions::METRICS_GET }>, Data<IndexScheduler>>,
-    auth_controller: GuardedData<ActionPolicy<{ actions::METRICS_GET }>, Data<AuthController>>,
+    auth_controller: Data<AuthController>,
 ) -> Result<HttpResponse, ResponseError> {
     let auth_filters = index_scheduler.filters();
     if !auth_filters.all_indexes_authorized() {
@@ -28,10 +28,10 @@ pub async fn get_metrics(
         return Err(error);
     }
 
-    let response =
-        create_all_stats((*index_scheduler).clone(), (*auth_controller).clone(), auth_filters)?;
+    let response = create_all_stats((*index_scheduler).clone(), auth_controller, auth_filters)?;
 
     crate::metrics::MEILISEARCH_DB_SIZE_BYTES.set(response.database_size as i64);
+    crate::metrics::MEILISEARCH_USED_DB_SIZE_BYTES.set(response.used_database_size as i64);
     crate::metrics::MEILISEARCH_INDEX_COUNT.set(response.indexes.len() as i64);
 
     for (index, value) in response.indexes.iter() {
@@ -40,6 +40,14 @@ pub async fn get_metrics(
             .set(value.number_of_documents as i64);
     }
 
+    for (kind, value) in index_scheduler.get_stats()? {
+        for (value, count) in value {
+            crate::metrics::MEILISEARCH_NB_TASKS
+                .with_label_values(&[&kind, &value])
+                .set(count as i64);
+        }
+    }
+
     let encoder = TextEncoder::new();
     let mut buffer = vec![];
     encoder.encode(&prometheus::gather(), &mut buffer).expect("Failed to encode metrics");
diff --git a/meilisearch/src/routes/mod.rs b/meilisearch/src/routes/mod.rs
index 51340ac1b..57d670b5f 100644
--- a/meilisearch/src/routes/mod.rs
+++ b/meilisearch/src/routes/mod.rs
@@ -231,6 +231,8 @@ pub async fn running() -> HttpResponse {
 #[serde(rename_all = "camelCase")]
 pub struct Stats {
     pub database_size: u64,
+    #[serde(skip)]
+    pub used_database_size: u64,
     #[serde(serialize_with = "time::serde::rfc3339::option::serialize")]
     pub last_update: Option<OffsetDateTime>,
     pub indexes: BTreeMap<String, indexes::IndexStats>,
@@ -259,6 +261,7 @@ pub fn create_all_stats(
     let mut last_task: Option<OffsetDateTime> = None;
     let mut indexes = BTreeMap::new();
     let mut database_size = 0;
+    let mut used_database_size = 0;
 
     for index_uid in index_scheduler.index_names()? {
         // Accumulate the size of all indexes, even unauthorized ones, so
@@ -266,6 +269,7 @@ pub fn create_all_stats(
         // See <https://github.com/meilisearch/meilisearch/pull/3541#discussion_r1126747643> for context.
         let stats = index_scheduler.index_stats(&index_uid)?;
         database_size += stats.inner_stats.database_size;
+        used_database_size += stats.inner_stats.used_database_size;
 
         if !filters.is_index_authorized(&index_uid) {
             continue;
@@ -278,10 +282,14 @@ pub fn create_all_stats(
     }
 
     database_size += index_scheduler.size()?;
+    used_database_size += index_scheduler.used_size()?;
     database_size += auth_controller.size()?;
-    database_size += index_scheduler.compute_update_file_size()?;
+    used_database_size += auth_controller.used_size()?;
+    let update_file_size = index_scheduler.compute_update_file_size()?;
+    database_size += update_file_size;
+    used_database_size += update_file_size;
 
-    let stats = Stats { database_size, last_update: last_task, indexes };
+    let stats = Stats { database_size, used_database_size, last_update: last_task, indexes };
     Ok(stats)
 }
 
diff --git a/meilisearch/src/routes/tasks.rs b/meilisearch/src/routes/tasks.rs
index cab0f7197..2713d0988 100644
--- a/meilisearch/src/routes/tasks.rs
+++ b/meilisearch/src/routes/tasks.rs
@@ -99,7 +99,7 @@ pub struct DetailsView {
     #[serde(skip_serializing_if = "Option::is_none")]
     pub deleted_tasks: Option<Option<u64>>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub original_filter: Option<String>,
+    pub original_filter: Option<Option<String>>,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub dump_uid: Option<Option<String>>,
     #[serde(skip_serializing_if = "Option::is_none")]
@@ -131,12 +131,13 @@ impl From<Details> for DetailsView {
             } => DetailsView {
                 provided_ids: Some(received_document_ids),
                 deleted_documents: Some(deleted_documents),
+                original_filter: Some(None),
                 ..DetailsView::default()
             },
             Details::DocumentDeletionByFilter { original_filter, deleted_documents } => {
                 DetailsView {
                     provided_ids: Some(0),
-                    original_filter: Some(original_filter),
+                    original_filter: Some(Some(original_filter)),
                     deleted_documents: Some(deleted_documents),
                     ..DetailsView::default()
                 }
@@ -148,7 +149,7 @@ impl From<Details> for DetailsView {
                 DetailsView {
                     matched_tasks: Some(matched_tasks),
                     canceled_tasks: Some(canceled_tasks),
-                    original_filter: Some(original_filter),
+                    original_filter: Some(Some(original_filter)),
                     ..DetailsView::default()
                 }
             }
@@ -156,7 +157,7 @@ impl From<Details> for DetailsView {
                 DetailsView {
                     matched_tasks: Some(matched_tasks),
                     deleted_tasks: Some(deleted_tasks),
-                    original_filter: Some(original_filter),
+                    original_filter: Some(Some(original_filter)),
                     ..DetailsView::default()
                 }
             }
@@ -729,7 +730,7 @@ mod tests {
             let err = deserr_query_params::<TaskDeletionOrCancelationQuery>(params).unwrap_err();
             snapshot!(meili_snap::json_string!(err), @r###"
             {
-              "message": "Invalid value in parameter `types`: `createIndex` is not a valid task type. Available types are `documentAdditionOrUpdate`, `documentDeletion`, `documentDeletionByFilter`, `settingsUpdate`, `indexCreation`, `indexDeletion`, `indexUpdate`, `indexSwap`, `taskCancelation`, `taskDeletion`, `dumpCreation`, `snapshotCreation`.",
+              "message": "Invalid value in parameter `types`: `createIndex` is not a valid task type. Available types are `documentAdditionOrUpdate`, `documentDeletion`, `settingsUpdate`, `indexCreation`, `indexDeletion`, `indexUpdate`, `indexSwap`, `taskCancelation`, `taskDeletion`, `dumpCreation`, `snapshotCreation`.",
               "code": "invalid_task_types",
               "type": "invalid_request",
               "link": "https://docs.meilisearch.com/errors#invalid_task_types"
diff --git a/meilisearch/tests/auth/authorization.rs b/meilisearch/tests/auth/authorization.rs
index ef4a7eaa1..58fba4481 100644
--- a/meilisearch/tests/auth/authorization.rs
+++ b/meilisearch/tests/auth/authorization.rs
@@ -16,8 +16,11 @@ pub static AUTHORIZATIONS: Lazy<HashMap<(&'static str, &'static str), HashSet<&'
             ("GET",     "/indexes/products/search") =>                         hashset!{"search", "*"},
             ("POST",    "/indexes/products/documents") =>                      hashset!{"documents.add", "documents.*", "*"},
             ("GET",     "/indexes/products/documents") =>                      hashset!{"documents.get", "documents.*", "*"},
+            ("POST",    "/indexes/products/documents/fetch") =>                hashset!{"documents.get", "documents.*", "*"},
             ("GET",     "/indexes/products/documents/0") =>                    hashset!{"documents.get", "documents.*", "*"},
             ("DELETE",  "/indexes/products/documents/0") =>                    hashset!{"documents.delete", "documents.*", "*"},
+            ("POST",    "/indexes/products/documents/delete-batch") =>         hashset!{"documents.delete", "documents.*", "*"},
+            ("POST",    "/indexes/products/documents/delete") =>               hashset!{"documents.delete", "documents.*", "*"},
             ("GET",     "/tasks") =>                                           hashset!{"tasks.get", "tasks.*", "*"},
             ("DELETE",  "/tasks") =>                                           hashset!{"tasks.delete", "tasks.*", "*"},
             ("GET",     "/tasks?indexUid=products") =>                         hashset!{"tasks.get", "tasks.*", "*"},
diff --git a/meilisearch/tests/documents/errors.rs b/meilisearch/tests/documents/errors.rs
index b72dc40f3..7dab16a25 100644
--- a/meilisearch/tests/documents/errors.rs
+++ b/meilisearch/tests/documents/errors.rs
@@ -180,9 +180,9 @@ async fn get_all_documents_bad_filter() {
     snapshot!(json_string!(response), @r###"
     {
       "message": "Attribute `doggo` is not filterable. This index does not have configured filterable attributes.\n1:6 doggo=bernese",
-      "code": "invalid_search_filter",
+      "code": "invalid_document_filter",
       "type": "invalid_request",
-      "link": "https://docs.meilisearch.com/errors#invalid_search_filter"
+      "link": "https://docs.meilisearch.com/errors#invalid_document_filter"
     }
     "###);
 }
@@ -547,9 +547,9 @@ async fn delete_document_by_filter() {
     snapshot!(json_string!(response), @r###"
     {
       "message": "Invalid syntax for the filter parameter: `expected String, Array, found: true`.",
-      "code": "invalid_document_delete_filter",
+      "code": "invalid_document_filter",
       "type": "invalid_request",
-      "link": "https://docs.meilisearch.com/errors#invalid_document_delete_filter"
+      "link": "https://docs.meilisearch.com/errors#invalid_document_filter"
     }
     "###);
 
@@ -559,9 +559,9 @@ async fn delete_document_by_filter() {
     snapshot!(json_string!(response), @r###"
     {
       "message": "Was expecting an operation `=`, `!=`, `>=`, `>`, `<=`, `<`, `IN`, `NOT IN`, `TO`, `EXISTS`, `NOT EXISTS`, `IS NULL`, `IS NOT NULL`, `IS EMPTY`, `IS NOT EMPTY`, `_geoRadius`, or `_geoBoundingBox` at `hello`.\n1:6 hello",
-      "code": "invalid_document_delete_filter",
+      "code": "invalid_document_filter",
       "type": "invalid_request",
-      "link": "https://docs.meilisearch.com/errors#invalid_document_delete_filter"
+      "link": "https://docs.meilisearch.com/errors#invalid_document_filter"
     }
     "###);
 
@@ -571,9 +571,21 @@ async fn delete_document_by_filter() {
     snapshot!(json_string!(response), @r###"
     {
       "message": "Sending an empty filter is forbidden.",
-      "code": "invalid_document_delete_filter",
+      "code": "invalid_document_filter",
       "type": "invalid_request",
-      "link": "https://docs.meilisearch.com/errors#invalid_document_delete_filter"
+      "link": "https://docs.meilisearch.com/errors#invalid_document_filter"
+    }
+    "###);
+
+    // do not send any filter
+    let (response, code) = index.delete_document_by_filter(json!({})).await;
+    snapshot!(code, @"400 Bad Request");
+    snapshot!(json_string!(response), @r###"
+    {
+      "message": "Missing field `filter`",
+      "code": "missing_document_filter",
+      "type": "invalid_request",
+      "link": "https://docs.meilisearch.com/errors#missing_document_filter"
     }
     "###);
 
@@ -630,9 +642,9 @@ async fn delete_document_by_filter() {
       },
       "error": {
         "message": "Attribute `doggo` is not filterable. This index does not have configured filterable attributes.\n1:6 doggo = bernese",
-        "code": "invalid_search_filter",
+        "code": "invalid_document_filter",
         "type": "invalid_request",
-        "link": "https://docs.meilisearch.com/errors#invalid_search_filter"
+        "link": "https://docs.meilisearch.com/errors#invalid_document_filter"
       },
       "duration": "[duration]",
       "enqueuedAt": "[date]",
@@ -664,9 +676,9 @@ async fn delete_document_by_filter() {
       },
       "error": {
         "message": "Attribute `catto` is not filterable. Available filterable attributes are: `doggo`.\n1:6 catto = jorts",
-        "code": "invalid_search_filter",
+        "code": "invalid_document_filter",
         "type": "invalid_request",
-        "link": "https://docs.meilisearch.com/errors#invalid_search_filter"
+        "link": "https://docs.meilisearch.com/errors#invalid_document_filter"
       },
       "duration": "[duration]",
       "enqueuedAt": "[date]",
@@ -748,4 +760,27 @@ async fn fetch_document_by_filter() {
       "link": "https://docs.meilisearch.com/errors#invalid_document_filter"
     }
     "###);
+
+    let (response, code) = index.get_document_by_filter(json!({ "filter": "cool doggo" })).await;
+    snapshot!(code, @"400 Bad Request");
+    snapshot!(json_string!(response), @r###"
+    {
+      "message": "Was expecting an operation `=`, `!=`, `>=`, `>`, `<=`, `<`, `IN`, `NOT IN`, `TO`, `EXISTS`, `NOT EXISTS`, `IS NULL`, `IS NOT NULL`, `IS EMPTY`, `IS NOT EMPTY`, `_geoRadius`, or `_geoBoundingBox` at `cool doggo`.\n1:11 cool doggo",
+      "code": "invalid_document_filter",
+      "type": "invalid_request",
+      "link": "https://docs.meilisearch.com/errors#invalid_document_filter"
+    }
+    "###);
+
+    let (response, code) =
+        index.get_document_by_filter(json!({ "filter": "doggo = bernese" })).await;
+    snapshot!(code, @"400 Bad Request");
+    snapshot!(json_string!(response), @r###"
+    {
+      "message": "Attribute `doggo` is not filterable. Available filterable attributes are: `color`.\n1:6 doggo = bernese",
+      "code": "invalid_document_filter",
+      "type": "invalid_request",
+      "link": "https://docs.meilisearch.com/errors#invalid_document_filter"
+    }
+    "###);
 }
diff --git a/meilisearch/tests/search/errors.rs b/meilisearch/tests/search/errors.rs
index a9a2969bb..f314e8800 100644
--- a/meilisearch/tests/search/errors.rs
+++ b/meilisearch/tests/search/errors.rs
@@ -946,7 +946,7 @@ async fn sort_unset_ranking_rule() {
     index.wait_task(1).await;
 
     let expected_response = json!({
-        "message": "The sort ranking rule must be specified in the ranking rules settings to use the sort parameter at search time.",
+        "message": "You must specify where `sort` is listed in the rankingRules setting to use the sort parameter at search time.",
         "code": "invalid_search_sort",
         "type": "invalid_request",
         "link": "https://docs.meilisearch.com/errors#invalid_search_sort"
diff --git a/meilisearch/tests/tasks/errors.rs b/meilisearch/tests/tasks/errors.rs
index 065ff1aa9..830c4c8e7 100644
--- a/meilisearch/tests/tasks/errors.rs
+++ b/meilisearch/tests/tasks/errors.rs
@@ -97,7 +97,7 @@ async fn task_bad_types() {
     snapshot!(code, @"400 Bad Request");
     snapshot!(json_string!(response), @r###"
     {
-      "message": "Invalid value in parameter `types`: `doggo` is not a valid task type. Available types are `documentAdditionOrUpdate`, `documentDeletion`, `documentDeletionByFilter`, `settingsUpdate`, `indexCreation`, `indexDeletion`, `indexUpdate`, `indexSwap`, `taskCancelation`, `taskDeletion`, `dumpCreation`, `snapshotCreation`.",
+      "message": "Invalid value in parameter `types`: `doggo` is not a valid task type. Available types are `documentAdditionOrUpdate`, `documentDeletion`, `settingsUpdate`, `indexCreation`, `indexDeletion`, `indexUpdate`, `indexSwap`, `taskCancelation`, `taskDeletion`, `dumpCreation`, `snapshotCreation`.",
       "code": "invalid_task_types",
       "type": "invalid_request",
       "link": "https://docs.meilisearch.com/errors#invalid_task_types"
@@ -108,7 +108,7 @@ async fn task_bad_types() {
     snapshot!(code, @"400 Bad Request");
     snapshot!(json_string!(response), @r###"
     {
-      "message": "Invalid value in parameter `types`: `doggo` is not a valid task type. Available types are `documentAdditionOrUpdate`, `documentDeletion`, `documentDeletionByFilter`, `settingsUpdate`, `indexCreation`, `indexDeletion`, `indexUpdate`, `indexSwap`, `taskCancelation`, `taskDeletion`, `dumpCreation`, `snapshotCreation`.",
+      "message": "Invalid value in parameter `types`: `doggo` is not a valid task type. Available types are `documentAdditionOrUpdate`, `documentDeletion`, `settingsUpdate`, `indexCreation`, `indexDeletion`, `indexUpdate`, `indexSwap`, `taskCancelation`, `taskDeletion`, `dumpCreation`, `snapshotCreation`.",
       "code": "invalid_task_types",
       "type": "invalid_request",
       "link": "https://docs.meilisearch.com/errors#invalid_task_types"
@@ -119,7 +119,7 @@ async fn task_bad_types() {
     snapshot!(code, @"400 Bad Request");
     snapshot!(json_string!(response), @r###"
     {
-      "message": "Invalid value in parameter `types`: `doggo` is not a valid task type. Available types are `documentAdditionOrUpdate`, `documentDeletion`, `documentDeletionByFilter`, `settingsUpdate`, `indexCreation`, `indexDeletion`, `indexUpdate`, `indexSwap`, `taskCancelation`, `taskDeletion`, `dumpCreation`, `snapshotCreation`.",
+      "message": "Invalid value in parameter `types`: `doggo` is not a valid task type. Available types are `documentAdditionOrUpdate`, `documentDeletion`, `settingsUpdate`, `indexCreation`, `indexDeletion`, `indexUpdate`, `indexSwap`, `taskCancelation`, `taskDeletion`, `dumpCreation`, `snapshotCreation`.",
       "code": "invalid_task_types",
       "type": "invalid_request",
       "link": "https://docs.meilisearch.com/errors#invalid_task_types"
diff --git a/meilisearch/tests/tasks/mod.rs b/meilisearch/tests/tasks/mod.rs
index e9b5a2325..4ac134871 100644
--- a/meilisearch/tests/tasks/mod.rs
+++ b/meilisearch/tests/tasks/mod.rs
@@ -413,7 +413,7 @@ async fn test_summarized_document_addition_or_update() {
 }
 
 #[actix_web::test]
-async fn test_summarized_delete_batch() {
+async fn test_summarized_delete_documents_by_batch() {
     let server = Server::new().await;
     let index = server.index("test");
     index.delete_batch(vec![1, 2, 3]).await;
@@ -430,7 +430,8 @@ async fn test_summarized_delete_batch() {
       "canceledBy": null,
       "details": {
         "providedIds": 3,
-        "deletedDocuments": 0
+        "deletedDocuments": 0,
+        "originalFilter": null
       },
       "error": {
         "message": "Index `test` not found.",
@@ -460,7 +461,8 @@ async fn test_summarized_delete_batch() {
       "canceledBy": null,
       "details": {
         "providedIds": 1,
-        "deletedDocuments": 0
+        "deletedDocuments": 0,
+        "originalFilter": null
       },
       "error": null,
       "duration": "[duration]",
@@ -472,7 +474,100 @@ async fn test_summarized_delete_batch() {
 }
 
 #[actix_web::test]
-async fn test_summarized_delete_document() {
+async fn test_summarized_delete_documents_by_filter() {
+    let server = Server::new().await;
+    let index = server.index("test");
+
+    index.delete_document_by_filter(json!({ "filter": "doggo = bernese" })).await;
+    index.wait_task(0).await;
+    let (task, _) = index.get_task(0).await;
+    assert_json_snapshot!(task,
+        { ".duration" => "[duration]", ".enqueuedAt" => "[date]", ".startedAt" => "[date]", ".finishedAt" => "[date]" },
+        @r###"
+    {
+      "uid": 0,
+      "indexUid": "test",
+      "status": "failed",
+      "type": "documentDeletion",
+      "canceledBy": null,
+      "details": {
+        "providedIds": 0,
+        "deletedDocuments": 0,
+        "originalFilter": "\"doggo = bernese\""
+      },
+      "error": {
+        "message": "Index `test` not found.",
+        "code": "index_not_found",
+        "type": "invalid_request",
+        "link": "https://docs.meilisearch.com/errors#index_not_found"
+      },
+      "duration": "[duration]",
+      "enqueuedAt": "[date]",
+      "startedAt": "[date]",
+      "finishedAt": "[date]"
+    }
+    "###);
+
+    index.create(None).await;
+    index.delete_document_by_filter(json!({ "filter": "doggo = bernese" })).await;
+    index.wait_task(2).await;
+    let (task, _) = index.get_task(2).await;
+    assert_json_snapshot!(task,
+        { ".duration" => "[duration]", ".enqueuedAt" => "[date]", ".startedAt" => "[date]", ".finishedAt" => "[date]" },
+        @r###"
+    {
+      "uid": 2,
+      "indexUid": "test",
+      "status": "failed",
+      "type": "documentDeletion",
+      "canceledBy": null,
+      "details": {
+        "providedIds": 0,
+        "deletedDocuments": 0,
+        "originalFilter": "\"doggo = bernese\""
+      },
+      "error": {
+        "message": "Attribute `doggo` is not filterable. This index does not have configured filterable attributes.\n1:6 doggo = bernese",
+        "code": "invalid_document_filter",
+        "type": "invalid_request",
+        "link": "https://docs.meilisearch.com/errors#invalid_document_filter"
+      },
+      "duration": "[duration]",
+      "enqueuedAt": "[date]",
+      "startedAt": "[date]",
+      "finishedAt": "[date]"
+    }
+    "###);
+
+    index.update_settings(json!({ "filterableAttributes": ["doggo"] })).await;
+    index.delete_document_by_filter(json!({ "filter": "doggo = bernese" })).await;
+    index.wait_task(4).await;
+    let (task, _) = index.get_task(4).await;
+    assert_json_snapshot!(task,
+        { ".duration" => "[duration]", ".enqueuedAt" => "[date]", ".startedAt" => "[date]", ".finishedAt" => "[date]" },
+        @r###"
+    {
+      "uid": 4,
+      "indexUid": "test",
+      "status": "succeeded",
+      "type": "documentDeletion",
+      "canceledBy": null,
+      "details": {
+        "providedIds": 0,
+        "deletedDocuments": 0,
+        "originalFilter": "\"doggo = bernese\""
+      },
+      "error": null,
+      "duration": "[duration]",
+      "enqueuedAt": "[date]",
+      "startedAt": "[date]",
+      "finishedAt": "[date]"
+    }
+    "###);
+}
+
+#[actix_web::test]
+async fn test_summarized_delete_document_by_id() {
     let server = Server::new().await;
     let index = server.index("test");
     index.delete_document(1).await;
@@ -489,7 +584,8 @@ async fn test_summarized_delete_document() {
       "canceledBy": null,
       "details": {
         "providedIds": 1,
-        "deletedDocuments": 0
+        "deletedDocuments": 0,
+        "originalFilter": null
       },
       "error": {
         "message": "Index `test` not found.",
@@ -519,7 +615,8 @@ async fn test_summarized_delete_document() {
       "canceledBy": null,
       "details": {
         "providedIds": 1,
-        "deletedDocuments": 0
+        "deletedDocuments": 0,
+        "originalFilter": null
       },
       "error": null,
       "duration": "[duration]",
diff --git a/milli/Cargo.toml b/milli/Cargo.toml
index de0f4e31d..138103723 100644
--- a/milli/Cargo.toml
+++ b/milli/Cargo.toml
@@ -25,8 +25,13 @@ flatten-serde-json = { path = "../flatten-serde-json" }
 fst = "0.4.7"
 fxhash = "0.2.1"
 geoutils = "0.5.1"
-grenad = { version = "0.4.4", default-features = false, features = ["tempfile"] }
-heed = { git = "https://github.com/meilisearch/heed", tag = "v0.12.5", default-features = false, features = ["lmdb", "sync-read-txn"] }
+grenad = { version = "0.4.4", default-features = false, features = [
+    "tempfile",
+] }
+heed = { git = "https://github.com/meilisearch/heed", tag = "v0.12.6", default-features = false, features = [
+    "lmdb",
+    "sync-read-txn",
+] }
 json-depth-checker = { path = "../json-depth-checker" }
 levenshtein_automata = { version = "0.2.1", features = ["fst_automaton"] }
 memmap2 = "0.5.10"
@@ -39,12 +44,17 @@ rstar = { version = "0.10.0", features = ["serde"] }
 serde = { version = "1.0.160", features = ["derive"] }
 serde_json = { version = "1.0.95", features = ["preserve_order"] }
 slice-group-by = "0.3.0"
-smallstr =  { version = "0.3.0", features = ["serde"] }
+smallstr = { version = "0.3.0", features = ["serde"] }
 smallvec = "1.10.0"
 smartstring = "1.0.1"
 tempfile = "3.5.0"
 thiserror = "1.0.40"
-time = { version = "0.3.20", features = ["serde-well-known", "formatting", "parsing", "macros"] }
+time = { version = "0.3.20", features = [
+    "serde-well-known",
+    "formatting",
+    "parsing",
+    "macros",
+] }
 uuid = { version = "1.3.1", features = ["v4"] }
 
 filter-parser = { path = "../filter-parser" }
@@ -63,13 +73,10 @@ big_s = "1.0.2"
 insta = "1.29.0"
 maplit = "1.0.2"
 md5 = "0.7.0"
-rand = {version = "0.8.5", features = ["small_rng"] }
-
-[target.'cfg(fuzzing)'.dev-dependencies]
-fuzzcheck = "0.12.1"
+rand = { version = "0.8.5", features = ["small_rng"] }
 
 [features]
-all-tokenizations = [ "charabia/default" ]
+all-tokenizations = ["charabia/default"]
 
 # Use POSIX semaphores instead of SysV semaphores in LMDB
 # For more information on this feature, see heed's Cargo.toml
diff --git a/milli/src/documents/mod.rs b/milli/src/documents/mod.rs
index 43b31187d..7c037b3bf 100644
--- a/milli/src/documents/mod.rs
+++ b/milli/src/documents/mod.rs
@@ -111,7 +111,6 @@ pub enum Error {
     Io(#[from] io::Error),
 }
 
-#[cfg(test)]
 pub fn objects_from_json_value(json: serde_json::Value) -> Vec<crate::Object> {
     let documents = match json {
         object @ serde_json::Value::Object(_) => vec![object],
@@ -141,7 +140,6 @@ macro_rules! documents {
     }};
 }
 
-#[cfg(test)]
 pub fn documents_batch_reader_from_objects(
     objects: impl IntoIterator<Item = Object>,
 ) -> DocumentsBatchReader<std::io::Cursor<Vec<u8>>> {
diff --git a/milli/src/error.rs b/milli/src/error.rs
index 7f0faf2fd..8d55eabbd 100644
--- a/milli/src/error.rs
+++ b/milli/src/error.rs
@@ -126,7 +126,7 @@ only composed of alphanumeric characters (a-z A-Z 0-9), hyphens (-) and undersco
     InvalidSortableAttribute { field: String, valid_fields: BTreeSet<String> },
     #[error("{}", HeedError::BadOpenOptions)]
     InvalidLmdbOpenOptions,
-    #[error("The sort ranking rule must be specified in the ranking rules settings to use the sort parameter at search time.")]
+    #[error("You must specify where `sort` is listed in the rankingRules setting to use the sort parameter at search time.")]
     SortRankingRuleMissing,
     #[error("The database file is in an invalid state.")]
     InvalidStoreFile,
diff --git a/milli/src/external_documents_ids.rs b/milli/src/external_documents_ids.rs
index 2cecd1abe..36b147336 100644
--- a/milli/src/external_documents_ids.rs
+++ b/milli/src/external_documents_ids.rs
@@ -106,22 +106,30 @@ impl<'a> ExternalDocumentsIds<'a> {
         map
     }
 
+    /// Return an fst of the combined hard and soft deleted ID.
+    pub fn to_fst<'b>(&'b self) -> fst::Result<Cow<'b, fst::Map<Cow<'a, [u8]>>>> {
+        if self.soft.is_empty() {
+            return Ok(Cow::Borrowed(&self.hard));
+        }
+        let union_op = self.hard.op().add(&self.soft).r#union();
+
+        let mut iter = union_op.into_stream();
+        let mut new_hard_builder = fst::MapBuilder::memory();
+        while let Some((external_id, marked_docids)) = iter.next() {
+            let value = indexed_last_value(marked_docids).unwrap();
+            if value != DELETED_ID {
+                new_hard_builder.insert(external_id, value)?;
+            }
+        }
+
+        drop(iter);
+
+        Ok(Cow::Owned(new_hard_builder.into_map().map_data(Cow::Owned)?))
+    }
+
     fn merge_soft_into_hard(&mut self) -> fst::Result<()> {
         if self.soft.len() >= self.hard.len() / 2 {
-            let union_op = self.hard.op().add(&self.soft).r#union();
-
-            let mut iter = union_op.into_stream();
-            let mut new_hard_builder = fst::MapBuilder::memory();
-            while let Some((external_id, marked_docids)) = iter.next() {
-                let value = indexed_last_value(marked_docids).unwrap();
-                if value != DELETED_ID {
-                    new_hard_builder.insert(external_id, value)?;
-                }
-            }
-
-            drop(iter);
-
-            self.hard = new_hard_builder.into_map().map_data(Cow::Owned)?;
+            self.hard = self.to_fst()?.into_owned();
             self.soft = fst::Map::default().map_data(Cow::Owned)?;
         }
 
diff --git a/milli/src/heed_codec/roaring_bitmap/cbo_roaring_bitmap_codec.rs b/milli/src/heed_codec/roaring_bitmap/cbo_roaring_bitmap_codec.rs
index 1bd132974..01ce523ba 100644
--- a/milli/src/heed_codec/roaring_bitmap/cbo_roaring_bitmap_codec.rs
+++ b/milli/src/heed_codec/roaring_bitmap/cbo_roaring_bitmap_codec.rs
@@ -49,7 +49,7 @@ impl CboRoaringBitmapCodec {
         } else {
             // Otherwise, it means we used the classic RoaringBitmapCodec and
             // that the header takes threshold integers.
-            RoaringBitmap::deserialize_from(bytes)
+            RoaringBitmap::deserialize_unchecked_from(bytes)
         }
     }
 
@@ -69,7 +69,7 @@ impl CboRoaringBitmapCodec {
                     vec.push(integer);
                 }
             } else {
-                roaring |= RoaringBitmap::deserialize_from(bytes.as_ref())?;
+                roaring |= RoaringBitmap::deserialize_unchecked_from(bytes.as_ref())?;
             }
         }
 
diff --git a/milli/src/heed_codec/roaring_bitmap/roaring_bitmap_codec.rs b/milli/src/heed_codec/roaring_bitmap/roaring_bitmap_codec.rs
index 8fae9b8fd..6cec0eb44 100644
--- a/milli/src/heed_codec/roaring_bitmap/roaring_bitmap_codec.rs
+++ b/milli/src/heed_codec/roaring_bitmap/roaring_bitmap_codec.rs
@@ -8,7 +8,7 @@ impl heed::BytesDecode<'_> for RoaringBitmapCodec {
     type DItem = RoaringBitmap;
 
     fn bytes_decode(bytes: &[u8]) -> Option<Self::DItem> {
-        RoaringBitmap::deserialize_from(bytes).ok()
+        RoaringBitmap::deserialize_unchecked_from(bytes).ok()
     }
 }
 
diff --git a/milli/src/index.rs b/milli/src/index.rs
index ad53e79ea..1ccef13dd 100644
--- a/milli/src/index.rs
+++ b/milli/src/index.rs
@@ -21,10 +21,9 @@ use crate::heed_codec::facet::{
 };
 use crate::heed_codec::{ScriptLanguageCodec, StrBEU16Codec, StrRefCodec};
 use crate::{
-    default_criteria, BEU32StrCodec, BoRoaringBitmapCodec, CboRoaringBitmapCodec, Criterion,
-    DocumentId, ExternalDocumentsIds, FacetDistribution, FieldDistribution, FieldId,
-    FieldIdWordCountCodec, GeoPoint, ObkvCodec, Result, RoaringBitmapCodec, RoaringBitmapLenCodec,
-    Search, U8StrStrCodec, BEU16, BEU32,
+    default_criteria, CboRoaringBitmapCodec, Criterion, DocumentId, ExternalDocumentsIds,
+    FacetDistribution, FieldDistribution, FieldId, FieldIdWordCountCodec, GeoPoint, ObkvCodec,
+    Result, RoaringBitmapCodec, RoaringBitmapLenCodec, Search, U8StrStrCodec, BEU16, BEU32,
 };
 
 pub const DEFAULT_MIN_WORD_LEN_ONE_TYPO: u8 = 5;
@@ -111,9 +110,6 @@ pub struct Index {
     /// A prefix of word and all the documents ids containing this prefix, from attributes for which typos are not allowed.
     pub exact_word_prefix_docids: Database<Str, RoaringBitmapCodec>,
 
-    /// Maps a word and a document id (u32) to all the positions where the given word appears.
-    pub docid_word_positions: Database<BEU32StrCodec, BoRoaringBitmapCodec>,
-
     /// Maps the proximity between a pair of words with all the docids where this relation appears.
     pub word_pair_proximity_docids: Database<U8StrStrCodec, CboRoaringBitmapCodec>,
     /// Maps the proximity between a pair of word and prefix with all the docids where this relation appears.
@@ -170,33 +166,45 @@ impl Index {
         unsafe { options.flag(Flags::MdbAlwaysFreePages) };
 
         let env = options.open(path)?;
-        let main = env.create_poly_database(Some(MAIN))?;
-        let word_docids = env.create_database(Some(WORD_DOCIDS))?;
-        let exact_word_docids = env.create_database(Some(EXACT_WORD_DOCIDS))?;
-        let word_prefix_docids = env.create_database(Some(WORD_PREFIX_DOCIDS))?;
-        let exact_word_prefix_docids = env.create_database(Some(EXACT_WORD_PREFIX_DOCIDS))?;
-        let docid_word_positions = env.create_database(Some(DOCID_WORD_POSITIONS))?;
-        let word_pair_proximity_docids = env.create_database(Some(WORD_PAIR_PROXIMITY_DOCIDS))?;
-        let script_language_docids = env.create_database(Some(SCRIPT_LANGUAGE_DOCIDS))?;
+        let mut wtxn = env.write_txn()?;
+        let main = env.create_poly_database(&mut wtxn, Some(MAIN))?;
+        let word_docids = env.create_database(&mut wtxn, Some(WORD_DOCIDS))?;
+        let exact_word_docids = env.create_database(&mut wtxn, Some(EXACT_WORD_DOCIDS))?;
+        let word_prefix_docids = env.create_database(&mut wtxn, Some(WORD_PREFIX_DOCIDS))?;
+        let exact_word_prefix_docids =
+            env.create_database(&mut wtxn, Some(EXACT_WORD_PREFIX_DOCIDS))?;
+        let word_pair_proximity_docids =
+            env.create_database(&mut wtxn, Some(WORD_PAIR_PROXIMITY_DOCIDS))?;
+        let script_language_docids =
+            env.create_database(&mut wtxn, Some(SCRIPT_LANGUAGE_DOCIDS))?;
         let word_prefix_pair_proximity_docids =
-            env.create_database(Some(WORD_PREFIX_PAIR_PROXIMITY_DOCIDS))?;
+            env.create_database(&mut wtxn, Some(WORD_PREFIX_PAIR_PROXIMITY_DOCIDS))?;
         let prefix_word_pair_proximity_docids =
-            env.create_database(Some(PREFIX_WORD_PAIR_PROXIMITY_DOCIDS))?;
-        let word_position_docids = env.create_database(Some(WORD_POSITION_DOCIDS))?;
-        let word_fid_docids = env.create_database(Some(WORD_FIELD_ID_DOCIDS))?;
-        let field_id_word_count_docids = env.create_database(Some(FIELD_ID_WORD_COUNT_DOCIDS))?;
-        let word_prefix_position_docids = env.create_database(Some(WORD_PREFIX_POSITION_DOCIDS))?;
-        let word_prefix_fid_docids = env.create_database(Some(WORD_PREFIX_FIELD_ID_DOCIDS))?;
-        let facet_id_f64_docids = env.create_database(Some(FACET_ID_F64_DOCIDS))?;
-        let facet_id_string_docids = env.create_database(Some(FACET_ID_STRING_DOCIDS))?;
-        let facet_id_exists_docids = env.create_database(Some(FACET_ID_EXISTS_DOCIDS))?;
-        let facet_id_is_null_docids = env.create_database(Some(FACET_ID_IS_NULL_DOCIDS))?;
-        let facet_id_is_empty_docids = env.create_database(Some(FACET_ID_IS_EMPTY_DOCIDS))?;
+            env.create_database(&mut wtxn, Some(PREFIX_WORD_PAIR_PROXIMITY_DOCIDS))?;
+        let word_position_docids = env.create_database(&mut wtxn, Some(WORD_POSITION_DOCIDS))?;
+        let word_fid_docids = env.create_database(&mut wtxn, Some(WORD_FIELD_ID_DOCIDS))?;
+        let field_id_word_count_docids =
+            env.create_database(&mut wtxn, Some(FIELD_ID_WORD_COUNT_DOCIDS))?;
+        let word_prefix_position_docids =
+            env.create_database(&mut wtxn, Some(WORD_PREFIX_POSITION_DOCIDS))?;
+        let word_prefix_fid_docids =
+            env.create_database(&mut wtxn, Some(WORD_PREFIX_FIELD_ID_DOCIDS))?;
+        let facet_id_f64_docids = env.create_database(&mut wtxn, Some(FACET_ID_F64_DOCIDS))?;
+        let facet_id_string_docids =
+            env.create_database(&mut wtxn, Some(FACET_ID_STRING_DOCIDS))?;
+        let facet_id_exists_docids =
+            env.create_database(&mut wtxn, Some(FACET_ID_EXISTS_DOCIDS))?;
+        let facet_id_is_null_docids =
+            env.create_database(&mut wtxn, Some(FACET_ID_IS_NULL_DOCIDS))?;
+        let facet_id_is_empty_docids =
+            env.create_database(&mut wtxn, Some(FACET_ID_IS_EMPTY_DOCIDS))?;
 
-        let field_id_docid_facet_f64s = env.create_database(Some(FIELD_ID_DOCID_FACET_F64S))?;
+        let field_id_docid_facet_f64s =
+            env.create_database(&mut wtxn, Some(FIELD_ID_DOCID_FACET_F64S))?;
         let field_id_docid_facet_strings =
-            env.create_database(Some(FIELD_ID_DOCID_FACET_STRINGS))?;
-        let documents = env.create_database(Some(DOCUMENTS))?;
+            env.create_database(&mut wtxn, Some(FIELD_ID_DOCID_FACET_STRINGS))?;
+        let documents = env.create_database(&mut wtxn, Some(DOCUMENTS))?;
+        wtxn.commit()?;
 
         Index::set_creation_dates(&env, main, created_at, updated_at)?;
 
@@ -207,7 +215,6 @@ impl Index {
             exact_word_docids,
             word_prefix_docids,
             exact_word_prefix_docids,
-            docid_word_positions,
             word_pair_proximity_docids,
             script_language_docids,
             word_prefix_pair_proximity_docids,
@@ -1459,9 +1466,9 @@ pub(crate) mod tests {
 
         db_snap!(index, field_distribution,
             @r###"
-        age              1     
-        id               2     
-        name             2     
+        age              1      |
+        id               2      |
+        name             2      |
         "###
         );
 
@@ -1479,9 +1486,9 @@ pub(crate) mod tests {
 
         db_snap!(index, field_distribution,
             @r###"
-        age              1     
-        id               2     
-        name             2     
+        age              1      |
+        id               2      |
+        name             2      |
         "###
         );
 
@@ -1495,9 +1502,9 @@ pub(crate) mod tests {
 
         db_snap!(index, field_distribution,
             @r###"
-        has_dog          1     
-        id               2     
-        name             2     
+        has_dog          1      |
+        id               2      |
+        name             2      |
         "###
         );
     }
diff --git a/milli/src/lib.rs b/milli/src/lib.rs
index 48699e76f..e7acdde2c 100644
--- a/milli/src/lib.rs
+++ b/milli/src/lib.rs
@@ -5,52 +5,6 @@
 #[global_allocator]
 pub static ALLOC: mimalloc::MiMalloc = mimalloc::MiMalloc;
 
-// #[cfg(test)]
-// pub mod allocator {
-//     use std::alloc::{GlobalAlloc, System};
-//     use std::sync::atomic::{self, AtomicI64};
-
-//     #[global_allocator]
-//     pub static ALLOC: CountingAlloc = CountingAlloc {
-//         max_resident: AtomicI64::new(0),
-//         resident: AtomicI64::new(0),
-//         allocated: AtomicI64::new(0),
-//     };
-
-//     pub struct CountingAlloc {
-//         pub max_resident: AtomicI64,
-//         pub resident: AtomicI64,
-//         pub allocated: AtomicI64,
-//     }
-//     unsafe impl GlobalAlloc for CountingAlloc {
-//         unsafe fn alloc(&self, layout: std::alloc::Layout) -> *mut u8 {
-//             self.allocated.fetch_add(layout.size() as i64, atomic::Ordering::SeqCst);
-//             let old_resident =
-//                 self.resident.fetch_add(layout.size() as i64, atomic::Ordering::SeqCst);
-
-//             let resident = old_resident + layout.size() as i64;
-//             self.max_resident.fetch_max(resident, atomic::Ordering::SeqCst);
-
-//             // if layout.size() > 1_000_000 {
-//             //     eprintln!(
-//             //         "allocating {} with new resident size: {resident}",
-//             //         layout.size() / 1_000_000
-//             //     );
-//             //     // let trace = std::backtrace::Backtrace::capture();
-//             //     // let t = trace.to_string();
-//             //     // eprintln!("{t}");
-//             // }
-
-//             System.alloc(layout)
-//         }
-
-//         unsafe fn dealloc(&self, ptr: *mut u8, layout: std::alloc::Layout) {
-//             self.resident.fetch_sub(layout.size() as i64, atomic::Ordering::Relaxed);
-//             System.dealloc(ptr, layout)
-//         }
-//     }
-// }
-
 #[macro_use]
 pub mod documents;
 
diff --git a/milli/src/search/new/distinct.rs b/milli/src/search/new/distinct.rs
index fbb7550a9..fff96bd5d 100644
--- a/milli/src/search/new/distinct.rs
+++ b/milli/src/search/new/distinct.rs
@@ -26,7 +26,6 @@ pub fn apply_distinct_rule(
     ctx: &mut SearchContext,
     field_id: u16,
     candidates: &RoaringBitmap,
-    // TODO: add a universe here, such that the `excluded` are a subset of the universe?
 ) -> Result<DistinctOutput> {
     let mut excluded = RoaringBitmap::new();
     let mut remaining = RoaringBitmap::new();
diff --git a/milli/src/search/new/exact_attribute.rs b/milli/src/search/new/exact_attribute.rs
index dc9c95d3d..6e0381295 100644
--- a/milli/src/search/new/exact_attribute.rs
+++ b/milli/src/search/new/exact_attribute.rs
@@ -206,7 +206,7 @@ impl State {
             )?;
             intersection &= &candidates;
             if !intersection.is_empty() {
-                // TODO: although not really worth it in terms of performance,
+                // Although not really worth it in terms of performance,
                 // if would be good to put this in cache for the sake of consistency
                 let candidates_with_exact_word_count = if count_all_positions < u8::MAX as usize {
                     ctx.index
diff --git a/milli/src/search/new/graph_based_ranking_rule.rs b/milli/src/search/new/graph_based_ranking_rule.rs
index d8f6836e7..dd25ddd4a 100644
--- a/milli/src/search/new/graph_based_ranking_rule.rs
+++ b/milli/src/search/new/graph_based_ranking_rule.rs
@@ -46,7 +46,7 @@ use super::logger::SearchLogger;
 use super::query_graph::QueryNode;
 use super::ranking_rule_graph::{
     ConditionDocIdsCache, DeadEndsCache, ExactnessGraph, FidGraph, PositionGraph, ProximityGraph,
-    RankingRuleGraph, RankingRuleGraphTrait, TypoGraph,
+    RankingRuleGraph, RankingRuleGraphTrait, TypoGraph, WordsGraph,
 };
 use super::small_bitmap::SmallBitmap;
 use super::{QueryGraph, RankingRule, RankingRuleOutput, SearchContext};
@@ -54,6 +54,12 @@ use crate::search::new::query_term::LocatedQueryTermSubset;
 use crate::search::new::ranking_rule_graph::PathVisitor;
 use crate::{Result, TermsMatchingStrategy};
 
+pub type Words = GraphBasedRankingRule<WordsGraph>;
+impl GraphBasedRankingRule<WordsGraph> {
+    pub fn new(terms_matching_strategy: TermsMatchingStrategy) -> Self {
+        Self::new_with_id("words".to_owned(), Some(terms_matching_strategy))
+    }
+}
 pub type Proximity = GraphBasedRankingRule<ProximityGraph>;
 impl GraphBasedRankingRule<ProximityGraph> {
     pub fn new(terms_matching_strategy: Option<TermsMatchingStrategy>) -> Self {
diff --git a/milli/src/search/new/interner.rs b/milli/src/search/new/interner.rs
index ebf18f38c..c2d325a86 100644
--- a/milli/src/search/new/interner.rs
+++ b/milli/src/search/new/interner.rs
@@ -32,7 +32,7 @@ impl<T> Interned<T> {
 #[derive(Clone)]
 pub struct DedupInterner<T> {
     stable_store: Vec<T>,
-    lookup: FxHashMap<T, Interned<T>>, // TODO: Arc
+    lookup: FxHashMap<T, Interned<T>>,
 }
 impl<T> Default for DedupInterner<T> {
     fn default() -> Self {
diff --git a/milli/src/search/new/limits.rs b/milli/src/search/new/limits.rs
index 33a5a4a6c..d08946424 100644
--- a/milli/src/search/new/limits.rs
+++ b/milli/src/search/new/limits.rs
@@ -1,5 +1,4 @@
 /// Maximum number of tokens we consider in a single search.
-// TODO: Loic, find proper value here so we don't overflow the interner.
 pub const MAX_TOKEN_COUNT: usize = 1_000;
 
 /// Maximum number of prefixes that can be derived from a single word.
diff --git a/milli/src/search/new/logger/visual.rs b/milli/src/search/new/logger/visual.rs
index 1cbe007d3..8df56da89 100644
--- a/milli/src/search/new/logger/visual.rs
+++ b/milli/src/search/new/logger/visual.rs
@@ -4,7 +4,6 @@ use std::io::{BufWriter, Write};
 use std::path::{Path, PathBuf};
 use std::time::Instant;
 
-// use rand::random;
 use roaring::RoaringBitmap;
 
 use crate::search::new::interner::Interned;
@@ -13,6 +12,7 @@ use crate::search::new::query_term::LocatedQueryTermSubset;
 use crate::search::new::ranking_rule_graph::{
     Edge, FidCondition, FidGraph, PositionCondition, PositionGraph, ProximityCondition,
     ProximityGraph, RankingRuleGraph, RankingRuleGraphTrait, TypoCondition, TypoGraph,
+    WordsCondition, WordsGraph,
 };
 use crate::search::new::ranking_rules::BoxRankingRule;
 use crate::search::new::{QueryGraph, QueryNode, RankingRule, SearchContext, SearchLogger};
@@ -24,11 +24,12 @@ pub enum SearchEvents {
     RankingRuleSkipBucket { ranking_rule_idx: usize, bucket_len: u64 },
     RankingRuleEndIteration { ranking_rule_idx: usize, universe_len: u64 },
     ExtendResults { new: Vec<u32> },
-    WordsGraph { query_graph: QueryGraph },
     ProximityGraph { graph: RankingRuleGraph<ProximityGraph> },
     ProximityPaths { paths: Vec<Vec<Interned<ProximityCondition>>> },
     TypoGraph { graph: RankingRuleGraph<TypoGraph> },
     TypoPaths { paths: Vec<Vec<Interned<TypoCondition>>> },
+    WordsGraph { graph: RankingRuleGraph<WordsGraph> },
+    WordsPaths { paths: Vec<Vec<Interned<WordsCondition>>> },
     FidGraph { graph: RankingRuleGraph<FidGraph> },
     FidPaths { paths: Vec<Vec<Interned<FidCondition>>> },
     PositionGraph { graph: RankingRuleGraph<PositionGraph> },
@@ -139,8 +140,11 @@ impl SearchLogger<QueryGraph> for VisualSearchLogger {
         let Some(location) = self.location.last() else { return };
         match location {
             Location::Words => {
-                if let Some(query_graph) = state.downcast_ref::<QueryGraph>() {
-                    self.events.push(SearchEvents::WordsGraph { query_graph: query_graph.clone() });
+                if let Some(graph) = state.downcast_ref::<RankingRuleGraph<WordsGraph>>() {
+                    self.events.push(SearchEvents::WordsGraph { graph: graph.clone() });
+                }
+                if let Some(paths) = state.downcast_ref::<Vec<Vec<Interned<WordsCondition>>>>() {
+                    self.events.push(SearchEvents::WordsPaths { paths: paths.clone() });
                 }
             }
             Location::Typo => {
@@ -329,7 +333,6 @@ impl<'ctx> DetailedLoggerFinish<'ctx> {
             SearchEvents::ExtendResults { new } => {
                 self.write_extend_results(new)?;
             }
-            SearchEvents::WordsGraph { query_graph } => self.write_words_graph(query_graph)?,
             SearchEvents::ProximityGraph { graph } => self.write_rr_graph(&graph)?,
             SearchEvents::ProximityPaths { paths } => {
                 self.write_rr_graph_paths::<ProximityGraph>(paths)?;
@@ -338,6 +341,10 @@ impl<'ctx> DetailedLoggerFinish<'ctx> {
             SearchEvents::TypoPaths { paths } => {
                 self.write_rr_graph_paths::<TypoGraph>(paths)?;
             }
+            SearchEvents::WordsGraph { graph } => self.write_rr_graph(&graph)?,
+            SearchEvents::WordsPaths { paths } => {
+                self.write_rr_graph_paths::<WordsGraph>(paths)?;
+            }
             SearchEvents::FidGraph { graph } => self.write_rr_graph(&graph)?,
             SearchEvents::FidPaths { paths } => {
                 self.write_rr_graph_paths::<FidGraph>(paths)?;
@@ -455,7 +462,7 @@ fill: \"#B6E2D3\"
                 shape: class
                 max_nbr_typo: {}",
                     term_subset.description(ctx),
-                    term_subset.max_nbr_typos(ctx)
+                    term_subset.max_typo_cost(ctx)
                 )?;
 
                 for w in term_subset.all_single_words_except_prefix_db(ctx)? {
@@ -482,13 +489,6 @@ fill: \"#B6E2D3\"
         }
         Ok(())
     }
-    fn write_words_graph(&mut self, qg: QueryGraph) -> Result<()> {
-        self.make_new_file_for_internal_state_if_needed()?;
-
-        self.write_query_graph(&qg)?;
-
-        Ok(())
-    }
     fn write_rr_graph<R: RankingRuleGraphTrait>(
         &mut self,
         graph: &RankingRuleGraph<R>,
diff --git a/milli/src/search/new/mod.rs b/milli/src/search/new/mod.rs
index 7e8426bf9..a28f42f35 100644
--- a/milli/src/search/new/mod.rs
+++ b/milli/src/search/new/mod.rs
@@ -15,11 +15,7 @@ mod resolve_query_graph;
 mod small_bitmap;
 
 mod exact_attribute;
-// TODO: documentation + comments
-// implementation is currently an adaptation of the previous implementation to fit with the new model
 mod sort;
-// TODO: documentation + comments
-mod words;
 
 #[cfg(test)]
 mod tests;
@@ -43,10 +39,10 @@ use ranking_rules::{
 use resolve_query_graph::{compute_query_graph_docids, PhraseDocIdsCache};
 use roaring::RoaringBitmap;
 use sort::Sort;
-use words::Words;
 
 use self::geo_sort::GeoSort;
 pub use self::geo_sort::Strategy as GeoSortStrategy;
+use self::graph_based_ranking_rule::Words;
 use self::interner::Interned;
 use crate::search::new::distinct::apply_distinct_rule;
 use crate::{AscDesc, DocumentId, Filter, Index, Member, Result, TermsMatchingStrategy, UserError};
@@ -202,6 +198,11 @@ fn get_ranking_rules_for_query_graph_search<'ctx>(
     let mut sorted_fields = HashSet::new();
     let mut geo_sorted = false;
 
+    // Don't add the `words` ranking rule if the term matching strategy is `All`
+    if matches!(terms_matching_strategy, TermsMatchingStrategy::All) {
+        words = true;
+    }
+
     let mut ranking_rules: Vec<BoxRankingRule<QueryGraph>> = vec![];
     let settings_ranking_rules = ctx.index.criteria(ctx.txn)?;
     for rr in settings_ranking_rules {
@@ -397,8 +398,8 @@ pub fn execute_search(
         None
     };
     let bucket_sort_output = if let Some(query_terms) = query_terms {
-        let graph = QueryGraph::from_query(ctx, &query_terms)?;
-        located_query_terms = Some(query_terms);
+        let (graph, new_located_query_terms) = QueryGraph::from_query(ctx, &query_terms)?;
+        located_query_terms = Some(new_located_query_terms);
 
         let ranking_rules = get_ranking_rules_for_query_graph_search(
             ctx,
diff --git a/milli/src/search/new/query_graph.rs b/milli/src/search/new/query_graph.rs
index 0e7d5a7f3..114eb8c4e 100644
--- a/milli/src/search/new/query_graph.rs
+++ b/milli/src/search/new/query_graph.rs
@@ -88,29 +88,33 @@ pub struct QueryGraph {
 }
 
 impl QueryGraph {
-    /// Build the query graph from the parsed user search query.
+    /// Build the query graph from the parsed user search query, return an updated list of the located query terms
+    /// which contains ngrams.
     pub fn from_query(
         ctx: &mut SearchContext,
-        // NOTE: the terms here must be consecutive
+        // The terms here must be consecutive
         terms: &[LocatedQueryTerm],
-    ) -> Result<QueryGraph> {
+    ) -> Result<(QueryGraph, Vec<LocatedQueryTerm>)> {
+        let mut new_located_query_terms = terms.to_vec();
+
         let nbr_typos = number_of_typos_allowed(ctx)?;
 
         let mut nodes_data: Vec<QueryNodeData> = vec![QueryNodeData::Start, QueryNodeData::End];
         let root_node = 0;
         let end_node = 1;
 
-        // TODO: we could consider generalizing to 4,5,6,7,etc. ngrams
+        // Ee could consider generalizing to 4,5,6,7,etc. ngrams
         let (mut prev2, mut prev1, mut prev0): (Vec<u16>, Vec<u16>, Vec<u16>) =
             (vec![], vec![], vec![root_node]);
 
         let original_terms_len = terms.len();
         for term_idx in 0..original_terms_len {
             let mut new_nodes = vec![];
+
             let new_node_idx = add_node(
                 &mut nodes_data,
                 QueryNodeData::Term(LocatedQueryTermSubset {
-                    term_subset: QueryTermSubset::full(Interned::from_raw(term_idx as u16)),
+                    term_subset: QueryTermSubset::full(terms[term_idx].value),
                     positions: terms[term_idx].positions.clone(),
                     term_ids: term_idx as u8..=term_idx as u8,
                 }),
@@ -121,6 +125,7 @@ impl QueryGraph {
                 if let Some(ngram) =
                     query_term::make_ngram(ctx, &terms[term_idx - 1..=term_idx], &nbr_typos)?
                 {
+                    new_located_query_terms.push(ngram.clone());
                     let ngram_idx = add_node(
                         &mut nodes_data,
                         QueryNodeData::Term(LocatedQueryTermSubset {
@@ -136,6 +141,7 @@ impl QueryGraph {
                 if let Some(ngram) =
                     query_term::make_ngram(ctx, &terms[term_idx - 2..=term_idx], &nbr_typos)?
                 {
+                    new_located_query_terms.push(ngram.clone());
                     let ngram_idx = add_node(
                         &mut nodes_data,
                         QueryNodeData::Term(LocatedQueryTermSubset {
@@ -167,7 +173,7 @@ impl QueryGraph {
         let mut graph = QueryGraph { root_node, end_node, nodes };
         graph.build_initial_edges();
 
-        Ok(graph)
+        Ok((graph, new_located_query_terms))
     }
 
     /// Remove the given nodes, connecting all their predecessors to all their successors.
diff --git a/milli/src/search/new/query_term/compute_derivations.rs b/milli/src/search/new/query_term/compute_derivations.rs
index c26c4bc6b..d5dfbbcd0 100644
--- a/milli/src/search/new/query_term/compute_derivations.rs
+++ b/milli/src/search/new/query_term/compute_derivations.rs
@@ -28,14 +28,14 @@ pub enum ZeroOrOneTypo {
 impl Interned<QueryTerm> {
     pub fn compute_fully_if_needed(self, ctx: &mut SearchContext) -> Result<()> {
         let s = ctx.term_interner.get_mut(self);
-        if s.max_nbr_typos <= 1 && s.one_typo.is_uninit() {
+        if s.max_levenshtein_distance <= 1 && s.one_typo.is_uninit() {
             assert!(s.two_typo.is_uninit());
             // Initialize one_typo subterm even if max_nbr_typo is 0 because of split words
             self.initialize_one_typo_subterm(ctx)?;
             let s = ctx.term_interner.get_mut(self);
             assert!(s.one_typo.is_init());
             s.two_typo = Lazy::Init(TwoTypoTerm::default());
-        } else if s.max_nbr_typos > 1 && s.two_typo.is_uninit() {
+        } else if s.max_levenshtein_distance > 1 && s.two_typo.is_uninit() {
             assert!(s.two_typo.is_uninit());
             self.initialize_one_and_two_typo_subterm(ctx)?;
             let s = ctx.term_interner.get_mut(self);
@@ -185,7 +185,7 @@ pub fn partially_initialized_term_from_word(
                 original: ctx.word_interner.insert(word.to_owned()),
                 ngram_words: None,
                 is_prefix: false,
-                max_nbr_typos: 0,
+                max_levenshtein_distance: 0,
                 zero_typo: <_>::default(),
                 one_typo: Lazy::Init(<_>::default()),
                 two_typo: Lazy::Init(<_>::default()),
@@ -256,7 +256,7 @@ pub fn partially_initialized_term_from_word(
     Ok(QueryTerm {
         original: word_interned,
         ngram_words: None,
-        max_nbr_typos: max_typo,
+        max_levenshtein_distance: max_typo,
         is_prefix,
         zero_typo,
         one_typo: Lazy::Uninit,
@@ -275,7 +275,16 @@ fn find_split_words(ctx: &mut SearchContext, word: &str) -> Result<Option<Intern
 impl Interned<QueryTerm> {
     fn initialize_one_typo_subterm(self, ctx: &mut SearchContext) -> Result<()> {
         let self_mut = ctx.term_interner.get_mut(self);
-        let QueryTerm { original, is_prefix, one_typo, max_nbr_typos, .. } = self_mut;
+
+        let allows_split_words = self_mut.allows_split_words();
+        let QueryTerm {
+            original,
+            is_prefix,
+            one_typo,
+            max_levenshtein_distance: max_nbr_typos,
+            ..
+        } = self_mut;
+
         let original = *original;
         let is_prefix = *is_prefix;
         // let original_str = ctx.word_interner.get(*original).to_owned();
@@ -300,13 +309,17 @@ impl Interned<QueryTerm> {
             })?;
         }
 
-        let original_str = ctx.word_interner.get(original).to_owned();
-        let split_words = find_split_words(ctx, original_str.as_str())?;
+        let split_words = if allows_split_words {
+            let original_str = ctx.word_interner.get(original).to_owned();
+            find_split_words(ctx, original_str.as_str())?
+        } else {
+            None
+        };
 
         let self_mut = ctx.term_interner.get_mut(self);
 
         // Only add the split words to the derivations if:
-        // 1. the term is not an ngram; OR
+        // 1. the term is neither an ngram nor a phrase; OR
         // 2. the term is an ngram, but the split words are different from the ngram's component words
         let split_words = if let Some((ngram_words, split_words)) =
             self_mut.ngram_words.as_ref().zip(split_words.as_ref())
@@ -328,7 +341,13 @@ impl Interned<QueryTerm> {
     }
     fn initialize_one_and_two_typo_subterm(self, ctx: &mut SearchContext) -> Result<()> {
         let self_mut = ctx.term_interner.get_mut(self);
-        let QueryTerm { original, is_prefix, two_typo, max_nbr_typos, .. } = self_mut;
+        let QueryTerm {
+            original,
+            is_prefix,
+            two_typo,
+            max_levenshtein_distance: max_nbr_typos,
+            ..
+        } = self_mut;
         let original_str = ctx.word_interner.get(*original).to_owned();
         if two_typo.is_init() {
             return Ok(());
diff --git a/milli/src/search/new/query_term/mod.rs b/milli/src/search/new/query_term/mod.rs
index bf521d9b2..8db843037 100644
--- a/milli/src/search/new/query_term/mod.rs
+++ b/milli/src/search/new/query_term/mod.rs
@@ -43,7 +43,7 @@ pub struct QueryTermSubset {
 pub struct QueryTerm {
     original: Interned<String>,
     ngram_words: Option<Vec<Interned<String>>>,
-    max_nbr_typos: u8,
+    max_levenshtein_distance: u8,
     is_prefix: bool,
     zero_typo: ZeroTypoTerm,
     // May not be computed yet
@@ -132,7 +132,6 @@ impl QueryTermSubset {
         if full_query_term.ngram_words.is_some() {
             return None;
         }
-        // TODO: included in subset
         if let Some(phrase) = full_query_term.zero_typo.phrase {
             self.zero_typo_subset.contains_phrase(phrase).then_some(ExactTerm::Phrase(phrase))
         } else if let Some(word) = full_query_term.zero_typo.exact {
@@ -182,7 +181,6 @@ impl QueryTermSubset {
         let word = match &self.zero_typo_subset {
             NTypoTermSubset::All => Some(use_prefix_db),
             NTypoTermSubset::Subset { words, phrases: _ } => {
-                // TODO: use a subset of prefix words instead
                 if words.contains(&use_prefix_db) {
                     Some(use_prefix_db)
                 } else {
@@ -204,7 +202,6 @@ impl QueryTermSubset {
         ctx: &mut SearchContext,
     ) -> Result<BTreeSet<Word>> {
         let mut result = BTreeSet::default();
-        // TODO: a compute_partially funtion
         if !self.one_typo_subset.is_empty() || !self.two_typo_subset.is_empty() {
             self.original.compute_fully_if_needed(ctx)?;
         }
@@ -300,7 +297,6 @@ impl QueryTermSubset {
         let mut result = BTreeSet::default();
 
         if !self.one_typo_subset.is_empty() {
-            // TODO: compute less than fully if possible
             self.original.compute_fully_if_needed(ctx)?;
         }
         let original = ctx.term_interner.get_mut(self.original);
@@ -342,10 +338,16 @@ impl QueryTermSubset {
         }
         None
     }
-    pub fn max_nbr_typos(&self, ctx: &SearchContext) -> u8 {
+    pub fn max_typo_cost(&self, ctx: &SearchContext) -> u8 {
         let t = ctx.term_interner.get(self.original);
-        match t.max_nbr_typos {
-            0 => 0,
+        match t.max_levenshtein_distance {
+            0 => {
+                if t.allows_split_words() {
+                    1
+                } else {
+                    0
+                }
+            }
             1 => {
                 if self.one_typo_subset.is_empty() {
                     0
@@ -438,6 +440,9 @@ impl QueryTerm {
 
         self.zero_typo.is_empty() && one_typo.is_empty() && two_typo.is_empty()
     }
+    fn allows_split_words(&self) -> bool {
+        self.zero_typo.phrase.is_none()
+    }
 }
 
 impl Interned<QueryTerm> {
diff --git a/milli/src/search/new/query_term/parse_query.rs b/milli/src/search/new/query_term/parse_query.rs
index dc317a0fb..5e97d6578 100644
--- a/milli/src/search/new/query_term/parse_query.rs
+++ b/milli/src/search/new/query_term/parse_query.rs
@@ -77,13 +77,9 @@ pub fn located_query_terms_from_tokens(
                 }
             }
             TokenKind::Separator(separator_kind) => {
-                match separator_kind {
-                    SeparatorKind::Hard => {
-                        position += 1;
-                    }
-                    SeparatorKind::Soft => {
-                        position += 0;
-                    }
+                // add penalty for hard separators
+                if let SeparatorKind::Hard = separator_kind {
+                    position = position.wrapping_add(7);
                 }
 
                 phrase = 'phrase: {
@@ -143,7 +139,6 @@ pub fn number_of_typos_allowed<'ctx>(
     let min_len_one_typo = ctx.index.min_word_len_one_typo(ctx.txn)?;
     let min_len_two_typos = ctx.index.min_word_len_two_typos(ctx.txn)?;
 
-    // TODO: should `exact_words` also disable prefix search, ngrams, split words, or synonyms?
     let exact_words = ctx.index.exact_words(ctx.txn)?;
 
     Ok(Box::new(move |word: &str| {
@@ -217,7 +212,7 @@ pub fn make_ngram(
         original: ngram_str_interned,
         ngram_words: Some(words_interned),
         is_prefix,
-        max_nbr_typos,
+        max_levenshtein_distance: max_nbr_typos,
         zero_typo: term.zero_typo,
         one_typo: Lazy::Uninit,
         two_typo: Lazy::Uninit,
@@ -254,8 +249,6 @@ impl PhraseBuilder {
         } else {
             // token has kind Word
             let word = ctx.word_interner.insert(token.lemma().to_string());
-            // TODO: in a phrase, check that every word exists
-            // otherwise return an empty term
             self.words.push(Some(word));
         }
     }
@@ -271,7 +264,7 @@ impl PhraseBuilder {
                 QueryTerm {
                     original: ctx.word_interner.insert(phrase_desc),
                     ngram_words: None,
-                    max_nbr_typos: 0,
+                    max_levenshtein_distance: 0,
                     is_prefix: false,
                     zero_typo: ZeroTypoTerm {
                         phrase: Some(phrase),
@@ -288,3 +281,36 @@ impl PhraseBuilder {
         })
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use charabia::TokenizerBuilder;
+
+    use super::*;
+    use crate::index::tests::TempIndex;
+
+    fn temp_index_with_documents() -> TempIndex {
+        let temp_index = TempIndex::new();
+        temp_index
+            .add_documents(documents!([
+                { "id": 1, "name": "split this world westfali westfalia the Ŵôřlḑôle" },
+                { "id": 2, "name": "Westfália" },
+                { "id": 3, "name": "Ŵôřlḑôle" },
+            ]))
+            .unwrap();
+        temp_index
+    }
+
+    #[test]
+    fn start_with_hard_separator() -> Result<()> {
+        let tokenizer = TokenizerBuilder::new().build();
+        let tokens = tokenizer.tokenize(".");
+        let index = temp_index_with_documents();
+        let rtxn = index.read_txn()?;
+        let mut ctx = SearchContext::new(&index, &rtxn);
+        // panics with `attempt to add with overflow` before <https://github.com/meilisearch/meilisearch/issues/3785>
+        let located_query_terms = located_query_terms_from_tokens(&mut ctx, tokens, None)?;
+        assert!(located_query_terms.is_empty());
+        Ok(())
+    }
+}
diff --git a/milli/src/search/new/ranking_rule_graph/cheapest_paths.rs b/milli/src/search/new/ranking_rule_graph/cheapest_paths.rs
index c065cc706..e93a91d29 100644
--- a/milli/src/search/new/ranking_rule_graph/cheapest_paths.rs
+++ b/milli/src/search/new/ranking_rule_graph/cheapest_paths.rs
@@ -1,5 +1,48 @@
-#![allow(clippy::too_many_arguments)]
+/** Implements a "PathVisitor" which finds all paths of a certain cost
+from the START to END node of a ranking rule graph.
 
+A path is a list of conditions. A condition is the data associated with
+an edge, given by the ranking rule. Some edges don't have a condition associated
+with them, they are "unconditional". These kinds of edges are used to "skip" a node.
+
+The algorithm uses a depth-first search. It benefits from two main optimisations:
+- The list of all possible costs to go from any node to the END node is precomputed
+- The `DeadEndsCache` reduces the number of valid paths drastically, by making some edges
+untraversable depending on what other edges were selected.
+
+These two optimisations are meant to avoid traversing edges that wouldn't lead
+to a valid path. In practically all cases, we avoid the exponential complexity
+that is inherent to depth-first search in a large ranking rule graph.
+
+The DeadEndsCache is a sort of prefix tree which associates a list of forbidden
+conditions to a list of traversed conditions.
+For example, the DeadEndsCache could say the following:
+- Immediately, from the start, the conditions `[a,b]` are forbidden
+    - if we take the condition `c`, then the conditions `[e]` are also forbidden
+        - and if after that, we take `f`, then `[h,i]` are also forbidden
+            - etc.
+    - if we take `g`, then `[f]` is also forbidden
+        - etc.
+    - etc.
+As we traverse the graph, we also traverse the `DeadEndsCache` and keep a list of forbidden
+conditions in memory. Then, we know to avoid all edges which have a condition that is forbidden.
+
+When a path is found from START to END, we give it to the `visit` closure.
+This closure takes a mutable reference to the `DeadEndsCache`. This means that
+the caller can update this cache. Therefore, we must handle the case where the
+DeadEndsCache has been updated. This means potentially backtracking up to the point
+where the traversed conditions are all allowed by the new DeadEndsCache.
+
+The algorithm also implements the `TermsMatchingStrategy` logic.
+Some edges are augmented with a list of "nodes_to_skip". Skipping
+a node means "reaching this node through an unconditional edge". If we have
+already traversed (ie. not skipped) a node that is in this list, then we know that we
+can't traverse this edge. Otherwise, we traverse the edge but make sure to skip any
+future node that was present in the "nodes_to_skip" list.
+
+The caller can decide to stop the path finding algorithm
+by returning a `ControlFlow::Break` from the `visit` closure.
+*/
 use std::collections::{BTreeSet, VecDeque};
 use std::iter::FromIterator;
 use std::ops::ControlFlow;
@@ -12,30 +55,41 @@ use crate::search::new::query_graph::QueryNode;
 use crate::search::new::small_bitmap::SmallBitmap;
 use crate::Result;
 
+/// Closure which processes a path found by the `PathVisitor`
 type VisitFn<'f, G> = &'f mut dyn FnMut(
+    // the path as a list of conditions
     &[Interned<<G as RankingRuleGraphTrait>::Condition>],
     &mut RankingRuleGraph<G>,
+    // a mutable reference to the DeadEndsCache, to update it in case the given
+    // path doesn't resolve to any valid document ids
     &mut DeadEndsCache<<G as RankingRuleGraphTrait>::Condition>,
 ) -> Result<ControlFlow<()>>;
 
+/// A structure which is kept but not updated during the traversal of the graph.
+/// It can however be updated by the `visit` closure once a valid path has been found.
 struct VisitorContext<'a, G: RankingRuleGraphTrait> {
     graph: &'a mut RankingRuleGraph<G>,
     all_costs_from_node: &'a MappedInterner<QueryNode, Vec<u64>>,
     dead_ends_cache: &'a mut DeadEndsCache<G::Condition>,
 }
 
+/// The internal state of the traversal algorithm
 struct VisitorState<G: RankingRuleGraphTrait> {
+    /// Budget from the current node to the end node
     remaining_cost: u64,
-
+    /// Previously visited conditions, in order.
     path: Vec<Interned<G::Condition>>,
-
+    /// Previously visited conditions, as an efficient and compact set.
     visited_conditions: SmallBitmap<G::Condition>,
+    /// Previously visited (ie not skipped) nodes, as an efficient and compact set.
     visited_nodes: SmallBitmap<QueryNode>,
-
+    /// The conditions that cannot be visited anymore
     forbidden_conditions: SmallBitmap<G::Condition>,
-    forbidden_conditions_to_nodes: SmallBitmap<QueryNode>,
+    /// The nodes that cannot be visited anymore (they must be skipped)
+    nodes_to_skip: SmallBitmap<QueryNode>,
 }
 
+/// See module documentation
 pub struct PathVisitor<'a, G: RankingRuleGraphTrait> {
     state: VisitorState<G>,
     ctx: VisitorContext<'a, G>,
@@ -56,14 +110,13 @@ impl<'a, G: RankingRuleGraphTrait> PathVisitor<'a, G> {
                 forbidden_conditions: SmallBitmap::for_interned_values_in(
                     &graph.conditions_interner,
                 ),
-                forbidden_conditions_to_nodes: SmallBitmap::for_interned_values_in(
-                    &graph.query_graph.nodes,
-                ),
+                nodes_to_skip: SmallBitmap::for_interned_values_in(&graph.query_graph.nodes),
             },
             ctx: VisitorContext { graph, all_costs_from_node, dead_ends_cache },
         }
     }
 
+    /// See module documentation
     pub fn visit_paths(mut self, visit: VisitFn<G>) -> Result<()> {
         let _ =
             self.state.visit_node(self.ctx.graph.query_graph.root_node, visit, &mut self.ctx)?;
@@ -72,22 +125,31 @@ impl<'a, G: RankingRuleGraphTrait> PathVisitor<'a, G> {
 }
 
 impl<G: RankingRuleGraphTrait> VisitorState<G> {
+    /// Visits a node: traverse all its valid conditional and unconditional edges.
+    ///
+    /// Returns ControlFlow::Break if the path finding algorithm should stop.
+    /// Returns whether a valid path was found from this node otherwise.
     fn visit_node(
         &mut self,
         from_node: Interned<QueryNode>,
         visit: VisitFn<G>,
         ctx: &mut VisitorContext<G>,
     ) -> Result<ControlFlow<(), bool>> {
+        // any valid path will be found from this point
+        // if a valid path was found, then we know that the DeadEndsCache may have been updated,
+        // and we will need to do more work to potentially backtrack
         let mut any_valid = false;
 
         let edges = ctx.graph.edges_of_node.get(from_node).clone();
         for edge_idx in edges.iter() {
+            // could be none if the edge was deleted
             let Some(edge) = ctx.graph.edges_store.get(edge_idx).clone() else { continue };
 
             if self.remaining_cost < edge.cost as u64 {
                 continue;
             }
             self.remaining_cost -= edge.cost as u64;
+
             let cf = match edge.condition {
                 Some(condition) => self.visit_condition(
                     condition,
@@ -119,6 +181,10 @@ impl<G: RankingRuleGraphTrait> VisitorState<G> {
         Ok(ControlFlow::Continue(any_valid))
     }
 
+    /// Visits an unconditional edge.
+    ///
+    /// Returns ControlFlow::Break if the path finding algorithm should stop.
+    /// Returns whether a valid path was found from this node otherwise.
     fn visit_no_condition(
         &mut self,
         dest_node: Interned<QueryNode>,
@@ -134,20 +200,29 @@ impl<G: RankingRuleGraphTrait> VisitorState<G> {
         {
             return Ok(ControlFlow::Continue(false));
         }
+        // We've reached the END node!
         if dest_node == ctx.graph.query_graph.end_node {
             let control_flow = visit(&self.path, ctx.graph, ctx.dead_ends_cache)?;
+            // We could change the return type of the visit closure such that the caller
+            // tells us whether the dead ends cache was updated or not.
+            // Alternatively, maybe the DeadEndsCache should have a generation number
+            // to it, so that we don't need to play with these booleans at all.
             match control_flow {
                 ControlFlow::Continue(_) => Ok(ControlFlow::Continue(true)),
                 ControlFlow::Break(_) => Ok(ControlFlow::Break(())),
             }
         } else {
-            let old_fbct = self.forbidden_conditions_to_nodes.clone();
-            self.forbidden_conditions_to_nodes.union(edge_new_nodes_to_skip);
+            let old_fbct = self.nodes_to_skip.clone();
+            self.nodes_to_skip.union(edge_new_nodes_to_skip);
             let cf = self.visit_node(dest_node, visit, ctx)?;
-            self.forbidden_conditions_to_nodes = old_fbct;
+            self.nodes_to_skip = old_fbct;
             Ok(cf)
         }
     }
+    /// Visits a conditional edge.
+    ///
+    /// Returns ControlFlow::Break if the path finding algorithm should stop.
+    /// Returns whether a valid path was found from this node otherwise.
     fn visit_condition(
         &mut self,
         condition: Interned<G::Condition>,
@@ -159,7 +234,7 @@ impl<G: RankingRuleGraphTrait> VisitorState<G> {
         assert!(dest_node != ctx.graph.query_graph.end_node);
 
         if self.forbidden_conditions.contains(condition)
-            || self.forbidden_conditions_to_nodes.contains(dest_node)
+            || self.nodes_to_skip.contains(dest_node)
             || edge_new_nodes_to_skip.intersects(&self.visited_nodes)
         {
             return Ok(ControlFlow::Continue(false));
@@ -180,19 +255,19 @@ impl<G: RankingRuleGraphTrait> VisitorState<G> {
         self.visited_nodes.insert(dest_node);
         self.visited_conditions.insert(condition);
 
-        let old_fc = self.forbidden_conditions.clone();
+        let old_forb_cond = self.forbidden_conditions.clone();
         if let Some(next_forbidden) =
             ctx.dead_ends_cache.forbidden_conditions_after_prefix(self.path.iter().copied())
         {
             self.forbidden_conditions.union(&next_forbidden);
         }
-        let old_fctn = self.forbidden_conditions_to_nodes.clone();
-        self.forbidden_conditions_to_nodes.union(edge_new_nodes_to_skip);
+        let old_nodes_to_skip = self.nodes_to_skip.clone();
+        self.nodes_to_skip.union(edge_new_nodes_to_skip);
 
         let cf = self.visit_node(dest_node, visit, ctx)?;
 
-        self.forbidden_conditions_to_nodes = old_fctn;
-        self.forbidden_conditions = old_fc;
+        self.nodes_to_skip = old_nodes_to_skip;
+        self.forbidden_conditions = old_forb_cond;
 
         self.visited_conditions.remove(condition);
         self.visited_nodes.remove(dest_node);
@@ -205,18 +280,12 @@ impl<G: RankingRuleGraphTrait> VisitorState<G> {
 impl<G: RankingRuleGraphTrait> RankingRuleGraph<G> {
     pub fn find_all_costs_to_end(&self) -> MappedInterner<QueryNode, Vec<u64>> {
         let mut costs_to_end = self.query_graph.nodes.map(|_| vec![]);
-        let mut enqueued = SmallBitmap::new(self.query_graph.nodes.len());
 
-        let mut node_stack = VecDeque::new();
-
-        *costs_to_end.get_mut(self.query_graph.end_node) = vec![0];
-
-        for prev_node in self.query_graph.nodes.get(self.query_graph.end_node).predecessors.iter() {
-            node_stack.push_back(prev_node);
-            enqueued.insert(prev_node);
-        }
-
-        while let Some(cur_node) = node_stack.pop_front() {
+        self.traverse_breadth_first_backward(self.query_graph.end_node, |cur_node| {
+            if cur_node == self.query_graph.end_node {
+                *costs_to_end.get_mut(self.query_graph.end_node) = vec![0];
+                return;
+            }
             let mut self_costs = Vec::<u64>::new();
 
             let cur_node_edges = &self.edges_of_node.get(cur_node);
@@ -232,13 +301,7 @@ impl<G: RankingRuleGraphTrait> RankingRuleGraph<G> {
             self_costs.dedup();
 
             *costs_to_end.get_mut(cur_node) = self_costs;
-            for prev_node in self.query_graph.nodes.get(cur_node).predecessors.iter() {
-                if !enqueued.contains(prev_node) {
-                    node_stack.push_back(prev_node);
-                    enqueued.insert(prev_node);
-                }
-            }
-        }
+        });
         costs_to_end
     }
 
@@ -247,17 +310,12 @@ impl<G: RankingRuleGraphTrait> RankingRuleGraph<G> {
         node_with_removed_outgoing_conditions: Interned<QueryNode>,
         costs: &mut MappedInterner<QueryNode, Vec<u64>>,
     ) {
-        let mut enqueued = SmallBitmap::new(self.query_graph.nodes.len());
-        let mut node_stack = VecDeque::new();
-
-        enqueued.insert(node_with_removed_outgoing_conditions);
-        node_stack.push_back(node_with_removed_outgoing_conditions);
-
-        'main_loop: while let Some(cur_node) = node_stack.pop_front() {
+        // Traverse the graph backward from the target node, recomputing the cost for each of its predecessors.
+        // We first check that no other node is contributing the same total cost to a predecessor before removing
+        // the cost from the predecessor.
+        self.traverse_breadth_first_backward(node_with_removed_outgoing_conditions, |cur_node| {
             let mut costs_to_remove = FxHashSet::default();
-            for c in costs.get(cur_node) {
-                costs_to_remove.insert(*c);
-            }
+            costs_to_remove.extend(costs.get(cur_node).iter().copied());
 
             let cur_node_edges = &self.edges_of_node.get(cur_node);
             for edge_idx in cur_node_edges.iter() {
@@ -265,22 +323,75 @@ impl<G: RankingRuleGraphTrait> RankingRuleGraph<G> {
                 for cost in costs.get(edge.dest_node).iter() {
                     costs_to_remove.remove(&(*cost + edge.cost as u64));
                     if costs_to_remove.is_empty() {
-                        continue 'main_loop;
+                        return;
                     }
                 }
             }
             if costs_to_remove.is_empty() {
-                continue 'main_loop;
+                return;
             }
             let mut new_costs = BTreeSet::from_iter(costs.get(cur_node).iter().copied());
             for c in costs_to_remove {
                 new_costs.remove(&c);
             }
             *costs.get_mut(cur_node) = new_costs.into_iter().collect();
+        });
+    }
 
+    /// Traverse the graph backwards from the given node such that every time
+    /// a node is visited, we are guaranteed that all its successors either:
+    /// 1. have already been visited; OR
+    /// 2. were not reachable from the given node
+    pub fn traverse_breadth_first_backward(
+        &self,
+        from: Interned<QueryNode>,
+        mut visit: impl FnMut(Interned<QueryNode>),
+    ) {
+        let mut reachable = SmallBitmap::for_interned_values_in(&self.query_graph.nodes);
+        {
+            // go backward to get the set of all reachable nodes from the given node
+            // the nodes that are not reachable will be set as `visited`
+            let mut stack = VecDeque::new();
+            let mut enqueued = SmallBitmap::for_interned_values_in(&self.query_graph.nodes);
+            enqueued.insert(from);
+            stack.push_back(from);
+            while let Some(n) = stack.pop_front() {
+                if reachable.contains(n) {
+                    continue;
+                }
+                reachable.insert(n);
+                for prev_node in self.query_graph.nodes.get(n).predecessors.iter() {
+                    if !enqueued.contains(prev_node) && !reachable.contains(prev_node) {
+                        stack.push_back(prev_node);
+                        enqueued.insert(prev_node);
+                    }
+                }
+            }
+        };
+        let mut unreachable_or_visited =
+            SmallBitmap::for_interned_values_in(&self.query_graph.nodes);
+        for (n, _) in self.query_graph.nodes.iter() {
+            if !reachable.contains(n) {
+                unreachable_or_visited.insert(n);
+            }
+        }
+
+        let mut enqueued = SmallBitmap::for_interned_values_in(&self.query_graph.nodes);
+        let mut stack = VecDeque::new();
+
+        enqueued.insert(from);
+        stack.push_back(from);
+
+        while let Some(cur_node) = stack.pop_front() {
+            if !self.query_graph.nodes.get(cur_node).successors.is_subset(&unreachable_or_visited) {
+                stack.push_back(cur_node);
+                continue;
+            }
+            unreachable_or_visited.insert(cur_node);
+            visit(cur_node);
             for prev_node in self.query_graph.nodes.get(cur_node).predecessors.iter() {
-                if !enqueued.contains(prev_node) {
-                    node_stack.push_back(prev_node);
+                if !enqueued.contains(prev_node) && !unreachable_or_visited.contains(prev_node) {
+                    stack.push_back(prev_node);
                     enqueued.insert(prev_node);
                 }
             }
diff --git a/milli/src/search/new/ranking_rule_graph/condition_docids_cache.rs b/milli/src/search/new/ranking_rule_graph/condition_docids_cache.rs
index d0fcd8bd8..5d199c82a 100644
--- a/milli/src/search/new/ranking_rule_graph/condition_docids_cache.rs
+++ b/milli/src/search/new/ranking_rule_graph/condition_docids_cache.rs
@@ -9,12 +9,8 @@ use crate::search::new::query_term::LocatedQueryTermSubset;
 use crate::search::new::SearchContext;
 use crate::Result;
 
-// TODO: give a generation to each universe, then be able to get the exact
-// delta of docids between two universes of different generations!
-
 /// A cache storing the document ids associated with each ranking rule edge
 pub struct ConditionDocIdsCache<G: RankingRuleGraphTrait> {
-    // TOOD: should be a mapped interner?
     pub cache: FxHashMap<Interned<G::Condition>, ComputedCondition>,
     _phantom: PhantomData<G>,
 }
@@ -54,7 +50,7 @@ impl<G: RankingRuleGraphTrait> ConditionDocIdsCache<G> {
         }
         let condition = graph.conditions_interner.get_mut(interned_condition);
         let computed = G::resolve_condition(ctx, condition, universe)?;
-        // TODO: if computed.universe_len != universe.len() ?
+        // Can we put an assert here for computed.universe_len == universe.len() ?
         let _ = self.cache.insert(interned_condition, computed);
         let computed = &self.cache[&interned_condition];
         Ok(computed)
diff --git a/milli/src/search/new/ranking_rule_graph/dead_ends_cache.rs b/milli/src/search/new/ranking_rule_graph/dead_ends_cache.rs
index 4bbf91fcd..bac25da82 100644
--- a/milli/src/search/new/ranking_rule_graph/dead_ends_cache.rs
+++ b/milli/src/search/new/ranking_rule_graph/dead_ends_cache.rs
@@ -2,6 +2,7 @@ use crate::search::new::interner::{FixedSizeInterner, Interned};
 use crate::search::new::small_bitmap::SmallBitmap;
 
 pub struct DeadEndsCache<T> {
+    // conditions and next could/should be part of the same vector
     conditions: Vec<Interned<T>>,
     next: Vec<Self>,
     pub forbidden: SmallBitmap<T>,
@@ -27,7 +28,7 @@ impl<T> DeadEndsCache<T> {
         self.forbidden.insert(condition);
     }
 
-    pub fn advance(&mut self, condition: Interned<T>) -> Option<&mut Self> {
+    fn advance(&mut self, condition: Interned<T>) -> Option<&mut Self> {
         if let Some(idx) = self.conditions.iter().position(|c| *c == condition) {
             Some(&mut self.next[idx])
         } else {
diff --git a/milli/src/search/new/ranking_rule_graph/fid/mod.rs b/milli/src/search/new/ranking_rule_graph/fid/mod.rs
index 0f2cceaec..e3ccf23fa 100644
--- a/milli/src/search/new/ranking_rule_graph/fid/mod.rs
+++ b/milli/src/search/new/ranking_rule_graph/fid/mod.rs
@@ -69,14 +69,9 @@ impl RankingRuleGraphTrait for FidGraph {
 
         let mut edges = vec![];
         for fid in all_fields {
-            // TODO: We can improve performances and relevancy by storing
-            //       the term subsets associated to each field ids fetched.
             edges.push((
-                fid as u32 * term.term_ids.len() as u32, // TODO improve the fid score i.e. fid^10.
-                conditions_interner.insert(FidCondition {
-                    term: term.clone(), // TODO remove this ugly clone
-                    fid,
-                }),
+                fid as u32 * term.term_ids.len() as u32,
+                conditions_interner.insert(FidCondition { term: term.clone(), fid }),
             ));
         }
 
diff --git a/milli/src/search/new/ranking_rule_graph/mod.rs b/milli/src/search/new/ranking_rule_graph/mod.rs
index f60c481de..8de455822 100644
--- a/milli/src/search/new/ranking_rule_graph/mod.rs
+++ b/milli/src/search/new/ranking_rule_graph/mod.rs
@@ -20,6 +20,8 @@ mod position;
 mod proximity;
 /// Implementation of the `typo` ranking rule
 mod typo;
+/// Implementation of the `words` ranking rule
+mod words;
 
 use std::collections::BTreeSet;
 use std::hash::Hash;
@@ -33,6 +35,7 @@ pub use position::{PositionCondition, PositionGraph};
 pub use proximity::{ProximityCondition, ProximityGraph};
 use roaring::RoaringBitmap;
 pub use typo::{TypoCondition, TypoGraph};
+pub use words::{WordsCondition, WordsGraph};
 
 use super::interner::{DedupInterner, FixedSizeInterner, Interned, MappedInterner};
 use super::query_term::LocatedQueryTermSubset;
diff --git a/milli/src/search/new/ranking_rule_graph/position/mod.rs b/milli/src/search/new/ranking_rule_graph/position/mod.rs
index d4640097e..c2e3b9012 100644
--- a/milli/src/search/new/ranking_rule_graph/position/mod.rs
+++ b/milli/src/search/new/ranking_rule_graph/position/mod.rs
@@ -94,14 +94,9 @@ impl RankingRuleGraphTrait for PositionGraph {
         let mut edges = vec![];
 
         for (cost, positions) in positions_for_costs {
-            // TODO: We can improve performances and relevancy by storing
-            //       the term subsets associated to each position fetched
             edges.push((
                 cost,
-                conditions_interner.insert(PositionCondition {
-                    term: term.clone(), // TODO remove this ugly clone
-                    positions,
-                }),
+                conditions_interner.insert(PositionCondition { term: term.clone(), positions }),
             ));
         }
 
@@ -111,23 +106,16 @@ impl RankingRuleGraphTrait for PositionGraph {
 
 fn cost_from_position(sum_positions: u32) -> u32 {
     match sum_positions {
-        0 | 1 | 2 | 3 => sum_positions,
-        4 | 5 => 4,
-        6 | 7 => 5,
-        8 | 9 => 6,
-        10 | 11 => 7,
-        12 | 13 => 8,
-        14 | 15 => 9,
-        16 | 17..=24 => 10,
-        25..=32 => 11,
-        33..=64 => 12,
-        65..=128 => 13,
-        129..=256 => 14,
-        257..=512 => 15,
-        513..=1024 => 16,
-        1025..=2048 => 17,
-        2049..=4096 => 18,
-        4097..=8192 => 19,
-        _ => 20,
+        0 => 0,
+        1 => 1,
+        2..=4 => 2,
+        5..=7 => 3,
+        8..=11 => 4,
+        12..=16 => 5,
+        17..=24 => 6,
+        25..=64 => 7,
+        65..=256 => 8,
+        257..=1024 => 9,
+        _ => 10,
     }
 }
diff --git a/milli/src/search/new/ranking_rule_graph/proximity/compute_docids.rs b/milli/src/search/new/ranking_rule_graph/proximity/compute_docids.rs
index 057779a22..29a1876b4 100644
--- a/milli/src/search/new/ranking_rule_graph/proximity/compute_docids.rs
+++ b/milli/src/search/new/ranking_rule_graph/proximity/compute_docids.rs
@@ -65,13 +65,6 @@ pub fn compute_docids(
         }
     }
 
-    // TODO: add safeguard in case the cartesian product is too large!
-    // even if we restrict the word derivations to a maximum of 100, the size of the
-    // caterisan product could reach a maximum of 10_000 derivations, which is way too much.
-    // Maybe prioritise the product of zero typo derivations, then the product of zero-typo/one-typo
-    // + one-typo/zero-typo, then one-typo/one-typo, then ... until an arbitrary limit has been
-    // reached
-
     for (left_phrase, left_word) in last_words_of_term_derivations(ctx, &left_term.term_subset)? {
         // Before computing the edges, check that the left word and left phrase
         // aren't disjoint with the universe, but only do it if there is more than
@@ -111,8 +104,6 @@ pub fn compute_docids(
     Ok(ComputedCondition {
         docids,
         universe_len: universe.len(),
-        // TODO: think about whether we want to reduce the subset,
-        // we probably should!
         start_term_subset: Some(left_term.clone()),
         end_term_subset: right_term.clone(),
     })
@@ -203,12 +194,7 @@ fn compute_non_prefix_edges(
             *docids |= new_docids;
         }
     }
-    if backward_proximity >= 1
-            // TODO: for now, we don't do any swapping when either term is a phrase
-            // but maybe we should. We'd need to look at the first/last word of the phrase
-            // depending on the context.
-            && left_phrase.is_none() && right_phrase.is_none()
-    {
+    if backward_proximity >= 1 && left_phrase.is_none() && right_phrase.is_none() {
         if let Some(new_docids) =
             ctx.get_db_word_pair_proximity_docids(word2, word1, backward_proximity)?
         {
diff --git a/milli/src/search/new/ranking_rule_graph/typo/mod.rs b/milli/src/search/new/ranking_rule_graph/typo/mod.rs
index da5198c23..a44be6015 100644
--- a/milli/src/search/new/ranking_rule_graph/typo/mod.rs
+++ b/milli/src/search/new/ranking_rule_graph/typo/mod.rs
@@ -50,7 +50,7 @@ impl RankingRuleGraphTrait for TypoGraph {
         // 3-gram -> equivalent to 2 typos
         let base_cost = if term.term_ids.len() == 1 { 0 } else { term.term_ids.len() as u32 };
 
-        for nbr_typos in 0..=term.term_subset.max_nbr_typos(ctx) {
+        for nbr_typos in 0..=term.term_subset.max_typo_cost(ctx) {
             let mut term = term.clone();
             match nbr_typos {
                 0 => {
diff --git a/milli/src/search/new/ranking_rule_graph/words/mod.rs b/milli/src/search/new/ranking_rule_graph/words/mod.rs
new file mode 100644
index 000000000..0a0cc112b
--- /dev/null
+++ b/milli/src/search/new/ranking_rule_graph/words/mod.rs
@@ -0,0 +1,49 @@
+use roaring::RoaringBitmap;
+
+use super::{ComputedCondition, RankingRuleGraphTrait};
+use crate::search::new::interner::{DedupInterner, Interned};
+use crate::search::new::query_term::LocatedQueryTermSubset;
+use crate::search::new::resolve_query_graph::compute_query_term_subset_docids;
+use crate::search::new::SearchContext;
+use crate::Result;
+
+#[derive(Clone, PartialEq, Eq, Hash)]
+pub struct WordsCondition {
+    term: LocatedQueryTermSubset,
+}
+
+pub enum WordsGraph {}
+
+impl RankingRuleGraphTrait for WordsGraph {
+    type Condition = WordsCondition;
+
+    fn resolve_condition(
+        ctx: &mut SearchContext,
+        condition: &Self::Condition,
+        universe: &RoaringBitmap,
+    ) -> Result<ComputedCondition> {
+        let WordsCondition { term, .. } = condition;
+        // maybe compute_query_term_subset_docids should accept a universe as argument
+        let mut docids = compute_query_term_subset_docids(ctx, &term.term_subset)?;
+        docids &= universe;
+
+        Ok(ComputedCondition {
+            docids,
+            universe_len: universe.len(),
+            start_term_subset: None,
+            end_term_subset: term.clone(),
+        })
+    }
+
+    fn build_edges(
+        _ctx: &mut SearchContext,
+        conditions_interner: &mut DedupInterner<Self::Condition>,
+        _from: Option<&LocatedQueryTermSubset>,
+        to_term: &LocatedQueryTermSubset,
+    ) -> Result<Vec<(u32, Interned<Self::Condition>)>> {
+        Ok(vec![(
+            to_term.term_ids.len() as u32,
+            conditions_interner.insert(WordsCondition { term: to_term.clone() }),
+        )])
+    }
+}
diff --git a/milli/src/search/new/resolve_query_graph.rs b/milli/src/search/new/resolve_query_graph.rs
index 797db5875..d992cd22f 100644
--- a/milli/src/search/new/resolve_query_graph.rs
+++ b/milli/src/search/new/resolve_query_graph.rs
@@ -33,8 +33,6 @@ pub fn compute_query_term_subset_docids(
     ctx: &mut SearchContext,
     term: &QueryTermSubset,
 ) -> Result<RoaringBitmap> {
-    // TODO Use the roaring::MultiOps trait
-
     let mut docids = RoaringBitmap::new();
     for word in term.all_single_words_except_prefix_db(ctx)? {
         if let Some(word_docids) = ctx.word_docids(word)? {
@@ -59,8 +57,6 @@ pub fn compute_query_term_subset_docids_within_field_id(
     term: &QueryTermSubset,
     fid: u16,
 ) -> Result<RoaringBitmap> {
-    // TODO Use the roaring::MultiOps trait
-
     let mut docids = RoaringBitmap::new();
     for word in term.all_single_words_except_prefix_db(ctx)? {
         if let Some(word_fid_docids) = ctx.get_db_word_fid_docids(word.interned(), fid)? {
@@ -71,7 +67,6 @@ pub fn compute_query_term_subset_docids_within_field_id(
     for phrase in term.all_phrases(ctx)? {
         // There may be false positives when resolving a phrase, so we're not
         // guaranteed that all of its words are within a single fid.
-        // TODO: fix this?
         if let Some(word) = phrase.words(ctx).iter().flatten().next() {
             if let Some(word_fid_docids) = ctx.get_db_word_fid_docids(*word, fid)? {
                 docids |= ctx.get_phrase_docids(phrase)? & word_fid_docids;
@@ -95,7 +90,6 @@ pub fn compute_query_term_subset_docids_within_position(
     term: &QueryTermSubset,
     position: u16,
 ) -> Result<RoaringBitmap> {
-    // TODO Use the roaring::MultiOps trait
     let mut docids = RoaringBitmap::new();
     for word in term.all_single_words_except_prefix_db(ctx)? {
         if let Some(word_position_docids) =
@@ -108,7 +102,6 @@ pub fn compute_query_term_subset_docids_within_position(
     for phrase in term.all_phrases(ctx)? {
         // It's difficult to know the expected position of the words in the phrase,
         // so instead we just check the first one.
-        // TODO: fix this?
         if let Some(word) = phrase.words(ctx).iter().flatten().next() {
             if let Some(word_position_docids) = ctx.get_db_word_position_docids(*word, position)? {
                 docids |= ctx.get_phrase_docids(phrase)? & word_position_docids
@@ -132,9 +125,6 @@ pub fn compute_query_graph_docids(
     q: &QueryGraph,
     universe: &RoaringBitmap,
 ) -> Result<RoaringBitmap> {
-    // TODO: there must be a faster way to compute this big
-    // roaring bitmap expression
-
     let mut nodes_resolved = SmallBitmap::for_interned_values_in(&q.nodes);
     let mut path_nodes_docids = q.nodes.map(|_| RoaringBitmap::new());
 
diff --git a/milli/src/search/new/sort.rs b/milli/src/search/new/sort.rs
index 53144d00d..3f57b2aa5 100644
--- a/milli/src/search/new/sort.rs
+++ b/milli/src/search/new/sort.rs
@@ -141,10 +141,6 @@ impl<'ctx, Query: RankingRuleQueryTrait> RankingRule<'ctx, Query> for Sort<'ctx,
         universe: &RoaringBitmap,
     ) -> Result<Option<RankingRuleOutput<Query>>> {
         let iter = self.iter.as_mut().unwrap();
-        // TODO: we should make use of the universe in the function below
-        // good for correctness, but ideally iter.next_bucket would take the current universe into account,
-        // as right now it could return buckets that don't intersect with the universe, meaning we will make many
-        // unneeded calls.
         if let Some(mut bucket) = iter.next_bucket()? {
             bucket.candidates &= universe;
             Ok(Some(bucket))
diff --git a/milli/src/search/new/tests/attribute_position.rs b/milli/src/search/new/tests/attribute_position.rs
index 5e16cd023..37f303b10 100644
--- a/milli/src/search/new/tests/attribute_position.rs
+++ b/milli/src/search/new/tests/attribute_position.rs
@@ -138,7 +138,7 @@ fn test_attribute_position_simple() {
     s.terms_matching_strategy(TermsMatchingStrategy::All);
     s.query("quick brown");
     let SearchResult { documents_ids, .. } = s.execute().unwrap();
-    insta::assert_snapshot!(format!("{documents_ids:?}"), @"[10, 11, 12, 13, 3, 4, 2, 1, 0, 6, 8, 7, 9, 5]");
+    insta::assert_snapshot!(format!("{documents_ids:?}"), @"[10, 11, 12, 13, 2, 3, 4, 1, 0, 6, 8, 7, 9, 5]");
 }
 #[test]
 fn test_attribute_position_repeated() {
@@ -163,7 +163,7 @@ fn test_attribute_position_different_fields() {
     s.terms_matching_strategy(TermsMatchingStrategy::All);
     s.query("quick brown");
     let SearchResult { documents_ids, .. } = s.execute().unwrap();
-    insta::assert_snapshot!(format!("{documents_ids:?}"), @"[10, 11, 12, 13, 3, 4, 2, 1, 0, 6, 8, 7, 9, 5]");
+    insta::assert_snapshot!(format!("{documents_ids:?}"), @"[10, 11, 12, 13, 2, 3, 4, 1, 0, 6, 8, 7, 9, 5]");
 }
 
 #[test]
@@ -176,5 +176,5 @@ fn test_attribute_position_ngrams() {
     s.terms_matching_strategy(TermsMatchingStrategy::All);
     s.query("quick brown");
     let SearchResult { documents_ids, .. } = s.execute().unwrap();
-    insta::assert_snapshot!(format!("{documents_ids:?}"), @"[10, 11, 12, 13, 3, 4, 2, 1, 0, 6, 8, 7, 9, 5]");
+    insta::assert_snapshot!(format!("{documents_ids:?}"), @"[10, 11, 12, 13, 2, 3, 4, 1, 0, 6, 8, 7, 9, 5]");
 }
diff --git a/milli/src/search/new/tests/distinct.rs b/milli/src/search/new/tests/distinct.rs
index 2c147d514..c54600f27 100644
--- a/milli/src/search/new/tests/distinct.rs
+++ b/milli/src/search/new/tests/distinct.rs
@@ -527,7 +527,7 @@ fn test_distinct_all_candidates() {
     let SearchResult { documents_ids, candidates, .. } = s.execute().unwrap();
     let candidates = candidates.iter().collect::<Vec<_>>();
     insta::assert_snapshot!(format!("{documents_ids:?}"), @"[14, 26, 4, 7, 17, 23, 1, 19, 25, 8, 20, 24]");
-    // TODO: this is incorrect!
+    // This is incorrect, but unfortunately impossible to do better efficiently.
     insta::assert_snapshot!(format!("{candidates:?}"), @"[1, 4, 7, 8, 14, 17, 19, 20, 23, 24, 25, 26]");
 }
 
diff --git a/milli/src/search/new/tests/proximity.rs b/milli/src/search/new/tests/proximity.rs
index 401508866..6e4181a95 100644
--- a/milli/src/search/new/tests/proximity.rs
+++ b/milli/src/search/new/tests/proximity.rs
@@ -122,11 +122,11 @@ fn create_edge_cases_index() -> TempIndex {
             sta stb stc ste stf stg sth sti stj stk stl stm stn sto stp stq str stst stt stu stv stw stx sty stz
             "
         },
-        // The next 5 documents lay out a trap with the split word, phrase search, or synonym `sun flower`. 
-        // If the search query is "sunflower", the split word "Sun Flower" will match some documents. 
+        // The next 5 documents lay out a trap with the split word, phrase search, or synonym `sun flower`.
+        // If the search query is "sunflower", the split word "Sun Flower" will match some documents.
         // If the query is `sunflower wilting`, then we should make sure that
-        // the sprximity condition `flower wilting: sprx N` also comes with the condition
-        // `sun wilting: sprx N+1`. TODO: this is not the exact condition we use for now. 
+        // the proximity condition `flower wilting: sprx N` also comes with the condition
+        // `sun wilting: sprx N+1`, but this is not the exact condition we use for now.
         // We only check that the phrase `sun flower` exists and `flower wilting: sprx N`, which
         // is better than nothing but not the best.
         {
@@ -139,7 +139,7 @@ fn create_edge_cases_index() -> TempIndex {
         },
         {
             "id": 3,
-            // This document matches the query `sunflower wilting`, but the sprximity condition 
+            // This document matches the query `sunflower wilting`, but the sprximity condition
             // between `sunflower` and `wilting` cannot be through the split-word `Sun Flower`
             // which would reduce to only `flower` and `wilting` being in sprximity.
             "text": "A flower wilting under the sun, unlike a sunflower"
@@ -299,7 +299,7 @@ fn test_proximity_split_word() {
     let SearchResult { documents_ids, .. } = s.execute().unwrap();
     insta::assert_snapshot!(format!("{documents_ids:?}"), @"[2, 4, 5, 1, 3]");
     let texts = collect_field_values(&index, &txn, "text", &documents_ids);
-    // TODO: "2" and "4" should be swapped ideally
+    // "2" and "4" should be swapped ideally
     insta::assert_debug_snapshot!(texts, @r###"
     [
         "\"Sun Flower sounds like the title of a painting, maybe about a flower wilting under the heat.\"",
@@ -316,7 +316,7 @@ fn test_proximity_split_word() {
     let SearchResult { documents_ids, .. } = s.execute().unwrap();
     insta::assert_snapshot!(format!("{documents_ids:?}"), @"[2, 4, 1]");
     let texts = collect_field_values(&index, &txn, "text", &documents_ids);
-    // TODO: "2" and "4" should be swapped ideally
+    // "2" and "4" should be swapped ideally
     insta::assert_debug_snapshot!(texts, @r###"
     [
         "\"Sun Flower sounds like the title of a painting, maybe about a flower wilting under the heat.\"",
@@ -341,7 +341,7 @@ fn test_proximity_split_word() {
     let SearchResult { documents_ids, .. } = s.execute().unwrap();
     insta::assert_snapshot!(format!("{documents_ids:?}"), @"[2, 4, 1]");
     let texts = collect_field_values(&index, &txn, "text", &documents_ids);
-    // TODO: "2" and "4" should be swapped ideally
+    // "2" and "4" should be swapped ideally
     insta::assert_debug_snapshot!(texts, @r###"
     [
         "\"Sun Flower sounds like the title of a painting, maybe about a flower wilting under the heat.\"",
diff --git a/milli/src/search/new/tests/proximity_typo.rs b/milli/src/search/new/tests/proximity_typo.rs
index ab98f99c0..b459b178b 100644
--- a/milli/src/search/new/tests/proximity_typo.rs
+++ b/milli/src/search/new/tests/proximity_typo.rs
@@ -2,9 +2,8 @@
 This module tests the interactions between the proximity and typo ranking rules.
 
 The proximity ranking rule should transform the query graph such that it
-only contains the word pairs that it used to compute its bucket.
-
-TODO: This is not currently implemented.
+only contains the word pairs that it used to compute its bucket, but this is not currently
+implemented.
 */
 
 use crate::index::tests::TempIndex;
@@ -64,7 +63,7 @@ fn test_trap_basic() {
     let SearchResult { documents_ids, .. } = s.execute().unwrap();
     insta::assert_snapshot!(format!("{documents_ids:?}"), @"[0, 1]");
     let texts = collect_field_values(&index, &txn, "text", &documents_ids);
-    // TODO: this is incorrect, 1 should come before 0
+    // This is incorrect, 1 should come before 0
     insta::assert_debug_snapshot!(texts, @r###"
     [
         "\"summer. holiday. sommer holidty\"",
diff --git a/milli/src/search/new/tests/typo.rs b/milli/src/search/new/tests/typo.rs
index 8fd9de5fc..536f6653d 100644
--- a/milli/src/search/new/tests/typo.rs
+++ b/milli/src/search/new/tests/typo.rs
@@ -571,8 +571,8 @@ fn test_typo_synonyms() {
     s.terms_matching_strategy(TermsMatchingStrategy::All);
     s.query("the fast brownish fox jumps over the lackadaisical dog");
 
-    // TODO: is this correct? interaction of ngrams + synonyms means that the
-    // multi-word synonyms end up having a typo cost. This is probably not what we want.
+    // The interaction of ngrams + synonyms means that the multi-word synonyms end up having a typo cost.
+    // This is probably not what we want.
     let SearchResult { documents_ids, .. } = s.execute().unwrap();
     insta::assert_snapshot!(format!("{documents_ids:?}"), @"[21, 0, 22]");
     let texts = collect_field_values(&index, &txn, "text", &documents_ids);
diff --git a/milli/src/search/new/words.rs b/milli/src/search/new/words.rs
deleted file mode 100644
index 72b7b5916..000000000
--- a/milli/src/search/new/words.rs
+++ /dev/null
@@ -1,87 +0,0 @@
-use roaring::RoaringBitmap;
-
-use super::logger::SearchLogger;
-use super::query_graph::QueryNode;
-use super::resolve_query_graph::compute_query_graph_docids;
-use super::small_bitmap::SmallBitmap;
-use super::{QueryGraph, RankingRule, RankingRuleOutput, SearchContext};
-use crate::{Result, TermsMatchingStrategy};
-
-pub struct Words {
-    exhausted: bool, // TODO: remove
-    query_graph: Option<QueryGraph>,
-    nodes_to_remove: Vec<SmallBitmap<QueryNode>>,
-    terms_matching_strategy: TermsMatchingStrategy,
-}
-impl Words {
-    pub fn new(terms_matching_strategy: TermsMatchingStrategy) -> Self {
-        Self {
-            exhausted: true,
-            query_graph: None,
-            nodes_to_remove: vec![],
-            terms_matching_strategy,
-        }
-    }
-}
-
-impl<'ctx> RankingRule<'ctx, QueryGraph> for Words {
-    fn id(&self) -> String {
-        "words".to_owned()
-    }
-    fn start_iteration(
-        &mut self,
-        ctx: &mut SearchContext<'ctx>,
-        _logger: &mut dyn SearchLogger<QueryGraph>,
-        _universe: &RoaringBitmap,
-        parent_query_graph: &QueryGraph,
-    ) -> Result<()> {
-        self.exhausted = false;
-        self.query_graph = Some(parent_query_graph.clone());
-        self.nodes_to_remove = match self.terms_matching_strategy {
-            TermsMatchingStrategy::Last => {
-                let mut ns = parent_query_graph.removal_order_for_terms_matching_strategy_last(ctx);
-                ns.reverse();
-                ns
-            }
-            TermsMatchingStrategy::All => {
-                vec![]
-            }
-        };
-        Ok(())
-    }
-
-    fn next_bucket(
-        &mut self,
-        ctx: &mut SearchContext<'ctx>,
-        logger: &mut dyn SearchLogger<QueryGraph>,
-        universe: &RoaringBitmap,
-    ) -> Result<Option<RankingRuleOutput<QueryGraph>>> {
-        if self.exhausted {
-            return Ok(None);
-        }
-        let Some(query_graph) = &mut self.query_graph else { panic!() };
-        logger.log_internal_state(query_graph);
-
-        let this_bucket = compute_query_graph_docids(ctx, query_graph, universe)?;
-
-        let child_query_graph = query_graph.clone();
-
-        if self.nodes_to_remove.is_empty() {
-            self.exhausted = true;
-        } else {
-            let nodes_to_remove = self.nodes_to_remove.pop().unwrap();
-            query_graph.remove_nodes_keep_edges(&nodes_to_remove.iter().collect::<Vec<_>>());
-        }
-        Ok(Some(RankingRuleOutput { query: child_query_graph, candidates: this_bucket }))
-    }
-
-    fn end_iteration(
-        &mut self,
-        _ctx: &mut SearchContext<'ctx>,
-        _logger: &mut dyn SearchLogger<QueryGraph>,
-    ) {
-        self.exhausted = true;
-        self.nodes_to_remove = vec![];
-        self.query_graph = None;
-    }
-}
diff --git a/milli/src/snapshot_tests.rs b/milli/src/snapshot_tests.rs
index b70bea496..158f515b8 100644
--- a/milli/src/snapshot_tests.rs
+++ b/milli/src/snapshot_tests.rs
@@ -89,7 +89,6 @@ Create a snapshot test of the given database.
     - `exact_word_docids`
     - `word_prefix_docids`
     - `exact_word_prefix_docids`
-    - `docid_word_positions`
     - `word_pair_proximity_docids`
     - `word_prefix_pair_proximity_docids`
     - `word_position_docids`
@@ -217,11 +216,6 @@ pub fn snap_exact_word_prefix_docids(index: &Index) -> String {
         &format!("{s:<16} {}", display_bitmap(&b))
     })
 }
-pub fn snap_docid_word_positions(index: &Index) -> String {
-    make_db_snap_from_iter!(index, docid_word_positions, |((idx, s), b)| {
-        &format!("{idx:<6} {s:<16} {}", display_bitmap(&b))
-    })
-}
 pub fn snap_word_pair_proximity_docids(index: &Index) -> String {
     make_db_snap_from_iter!(index, word_pair_proximity_docids, |((proximity, word1, word2), b)| {
         &format!("{proximity:<2} {word1:<16} {word2:<16} {}", display_bitmap(&b))
@@ -324,7 +318,7 @@ pub fn snap_field_distributions(index: &Index) -> String {
     let rtxn = index.read_txn().unwrap();
     let mut snap = String::new();
     for (field, count) in index.field_distribution(&rtxn).unwrap() {
-        writeln!(&mut snap, "{field:<16} {count:<6}").unwrap();
+        writeln!(&mut snap, "{field:<16} {count:<6} |").unwrap();
     }
     snap
 }
@@ -334,7 +328,7 @@ pub fn snap_fields_ids_map(index: &Index) -> String {
     let mut snap = String::new();
     for field_id in fields_ids_map.ids() {
         let name = fields_ids_map.name(field_id).unwrap();
-        writeln!(&mut snap, "{field_id:<3} {name:<16}").unwrap();
+        writeln!(&mut snap, "{field_id:<3} {name:<16} |").unwrap();
     }
     snap
 }
@@ -477,9 +471,6 @@ macro_rules! full_snap_of_db {
     ($index:ident, exact_word_prefix_docids) => {{
         $crate::snapshot_tests::snap_exact_word_prefix_docids(&$index)
     }};
-    ($index:ident, docid_word_positions) => {{
-        $crate::snapshot_tests::snap_docid_word_positions(&$index)
-    }};
     ($index:ident, word_pair_proximity_docids) => {{
         $crate::snapshot_tests::snap_word_pair_proximity_docids(&$index)
     }};
diff --git a/milli/src/snapshots/index.rs/initial_field_distribution/1/field_distribution.snap b/milli/src/snapshots/index.rs/initial_field_distribution/1/field_distribution.snap
index 9b074fb59..1d1d629e6 100644
--- a/milli/src/snapshots/index.rs/initial_field_distribution/1/field_distribution.snap
+++ b/milli/src/snapshots/index.rs/initial_field_distribution/1/field_distribution.snap
@@ -1,7 +1,7 @@
 ---
 source: milli/src/index.rs
 ---
-age              1     
-id               2     
-name             2     
+age              1      |
+id               2      |
+name             2      |
 
diff --git a/milli/src/snapshots/index.rs/initial_field_distribution/field_distribution.snap b/milli/src/snapshots/index.rs/initial_field_distribution/field_distribution.snap
index 9b074fb59..1d1d629e6 100644
--- a/milli/src/snapshots/index.rs/initial_field_distribution/field_distribution.snap
+++ b/milli/src/snapshots/index.rs/initial_field_distribution/field_distribution.snap
@@ -1,7 +1,7 @@
 ---
 source: milli/src/index.rs
 ---
-age              1     
-id               2     
-name             2     
+age              1      |
+id               2      |
+name             2      |
 
diff --git a/milli/src/update/clear_documents.rs b/milli/src/update/clear_documents.rs
index 147643bad..04119c641 100644
--- a/milli/src/update/clear_documents.rs
+++ b/milli/src/update/clear_documents.rs
@@ -23,7 +23,6 @@ impl<'t, 'u, 'i> ClearDocuments<'t, 'u, 'i> {
             exact_word_docids,
             word_prefix_docids,
             exact_word_prefix_docids,
-            docid_word_positions,
             word_pair_proximity_docids,
             word_prefix_pair_proximity_docids,
             prefix_word_pair_proximity_docids,
@@ -80,7 +79,6 @@ impl<'t, 'u, 'i> ClearDocuments<'t, 'u, 'i> {
         exact_word_docids.clear(self.wtxn)?;
         word_prefix_docids.clear(self.wtxn)?;
         exact_word_prefix_docids.clear(self.wtxn)?;
-        docid_word_positions.clear(self.wtxn)?;
         word_pair_proximity_docids.clear(self.wtxn)?;
         word_prefix_pair_proximity_docids.clear(self.wtxn)?;
         prefix_word_pair_proximity_docids.clear(self.wtxn)?;
@@ -141,7 +139,6 @@ mod tests {
 
         assert!(index.word_docids.is_empty(&rtxn).unwrap());
         assert!(index.word_prefix_docids.is_empty(&rtxn).unwrap());
-        assert!(index.docid_word_positions.is_empty(&rtxn).unwrap());
         assert!(index.word_pair_proximity_docids.is_empty(&rtxn).unwrap());
         assert!(index.field_id_word_count_docids.is_empty(&rtxn).unwrap());
         assert!(index.word_prefix_pair_proximity_docids.is_empty(&rtxn).unwrap());
diff --git a/milli/src/update/delete_documents.rs b/milli/src/update/delete_documents.rs
index 311f93f8f..b971768a3 100644
--- a/milli/src/update/delete_documents.rs
+++ b/milli/src/update/delete_documents.rs
@@ -1,5 +1,5 @@
 use std::collections::btree_map::Entry;
-use std::collections::{HashMap, HashSet};
+use std::collections::{BTreeSet, HashMap, HashSet};
 
 use fst::IntoStreamer;
 use heed::types::{ByteSlice, DecodeIgnore, Str, UnalignedSlice};
@@ -15,8 +15,7 @@ use crate::facet::FacetType;
 use crate::heed_codec::facet::FieldDocIdFacetCodec;
 use crate::heed_codec::CboRoaringBitmapCodec;
 use crate::{
-    ExternalDocumentsIds, FieldId, FieldIdMapMissingEntry, Index, Result, RoaringBitmapCodec,
-    SmallString32, BEU32,
+    ExternalDocumentsIds, FieldId, FieldIdMapMissingEntry, Index, Result, RoaringBitmapCodec, BEU32,
 };
 
 pub struct DeleteDocuments<'t, 'u, 'i> {
@@ -72,7 +71,6 @@ impl std::fmt::Display for DeletionStrategy {
 pub(crate) struct DetailedDocumentDeletionResult {
     pub deleted_documents: u64,
     pub remaining_documents: u64,
-    pub soft_deletion_used: bool,
 }
 
 impl<'t, 'u, 'i> DeleteDocuments<'t, 'u, 'i> {
@@ -109,11 +107,8 @@ impl<'t, 'u, 'i> DeleteDocuments<'t, 'u, 'i> {
         Some(docid)
     }
     pub fn execute(self) -> Result<DocumentDeletionResult> {
-        let DetailedDocumentDeletionResult {
-            deleted_documents,
-            remaining_documents,
-            soft_deletion_used: _,
-        } = self.execute_inner()?;
+        let DetailedDocumentDeletionResult { deleted_documents, remaining_documents } =
+            self.execute_inner()?;
 
         Ok(DocumentDeletionResult { deleted_documents, remaining_documents })
     }
@@ -134,7 +129,6 @@ impl<'t, 'u, 'i> DeleteDocuments<'t, 'u, 'i> {
             return Ok(DetailedDocumentDeletionResult {
                 deleted_documents: 0,
                 remaining_documents: 0,
-                soft_deletion_used: false,
             });
         }
 
@@ -150,7 +144,6 @@ impl<'t, 'u, 'i> DeleteDocuments<'t, 'u, 'i> {
             return Ok(DetailedDocumentDeletionResult {
                 deleted_documents: current_documents_ids_len,
                 remaining_documents,
-                soft_deletion_used: false,
             });
         }
 
@@ -219,7 +212,6 @@ impl<'t, 'u, 'i> DeleteDocuments<'t, 'u, 'i> {
             return Ok(DetailedDocumentDeletionResult {
                 deleted_documents: self.to_delete_docids.len(),
                 remaining_documents: documents_ids.len(),
-                soft_deletion_used: true,
             });
         }
 
@@ -232,7 +224,6 @@ impl<'t, 'u, 'i> DeleteDocuments<'t, 'u, 'i> {
             exact_word_docids,
             word_prefix_docids,
             exact_word_prefix_docids,
-            docid_word_positions,
             word_pair_proximity_docids,
             field_id_word_count_docids,
             word_prefix_pair_proximity_docids,
@@ -251,23 +242,9 @@ impl<'t, 'u, 'i> DeleteDocuments<'t, 'u, 'i> {
             facet_id_is_empty_docids,
             documents,
         } = self.index;
-
-        // Retrieve the words contained in the documents.
-        let mut words = Vec::new();
+        // Remove from the documents database
         for docid in &self.to_delete_docids {
             documents.delete(self.wtxn, &BEU32::new(docid))?;
-
-            // We iterate through the words positions of the document id, retrieve the word and delete the positions.
-            // We create an iterator to be able to get the content and delete the key-value itself.
-            // It's faster to acquire a cursor to get and delete, as we avoid traversing the LMDB B-Tree two times but only once.
-            let mut iter = docid_word_positions.prefix_iter_mut(self.wtxn, &(docid, ""))?;
-            while let Some(result) = iter.next() {
-                let ((_docid, word), _positions) = result?;
-                // This boolean will indicate if we must remove this word from the words FST.
-                words.push((SmallString32::from(word), false));
-                // safety: we don't keep references from inside the LMDB database.
-                unsafe { iter.del_current()? };
-            }
         }
         // We acquire the current external documents ids map...
         // Note that its soft-deleted document ids field will be equal to the `to_delete_docids`
@@ -278,42 +255,27 @@ impl<'t, 'u, 'i> DeleteDocuments<'t, 'u, 'i> {
         let new_external_documents_ids = new_external_documents_ids.into_static();
         self.index.put_external_documents_ids(self.wtxn, &new_external_documents_ids)?;
 
-        // Maybe we can improve the get performance of the words
-        // if we sort the words first, keeping the LMDB pages in cache.
-        words.sort_unstable();
-
+        let mut words_to_keep = BTreeSet::default();
+        let mut words_to_delete = BTreeSet::default();
         // We iterate over the words and delete the documents ids
         // from the word docids database.
-        for (word, must_remove) in &mut words {
-            remove_from_word_docids(
-                self.wtxn,
-                word_docids,
-                word.as_str(),
-                must_remove,
-                &self.to_delete_docids,
-            )?;
-
-            remove_from_word_docids(
-                self.wtxn,
-                exact_word_docids,
-                word.as_str(),
-                must_remove,
-                &self.to_delete_docids,
-            )?;
-        }
+        remove_from_word_docids(
+            self.wtxn,
+            word_docids,
+            &self.to_delete_docids,
+            &mut words_to_keep,
+            &mut words_to_delete,
+        )?;
+        remove_from_word_docids(
+            self.wtxn,
+            exact_word_docids,
+            &self.to_delete_docids,
+            &mut words_to_keep,
+            &mut words_to_delete,
+        )?;
 
         // We construct an FST set that contains the words to delete from the words FST.
-        let words_to_delete =
-            words.iter().filter_map(
-                |(word, must_remove)| {
-                    if *must_remove {
-                        Some(word.as_str())
-                    } else {
-                        None
-                    }
-                },
-            );
-        let words_to_delete = fst::Set::from_iter(words_to_delete)?;
+        let words_to_delete = fst::Set::from_iter(words_to_delete.difference(&words_to_keep))?;
 
         let new_words_fst = {
             // We retrieve the current words FST from the database.
@@ -472,7 +434,6 @@ impl<'t, 'u, 'i> DeleteDocuments<'t, 'u, 'i> {
         Ok(DetailedDocumentDeletionResult {
             deleted_documents: self.to_delete_docids.len(),
             remaining_documents: documents_ids.len(),
-            soft_deletion_used: false,
         })
     }
 
@@ -532,23 +493,24 @@ fn remove_from_word_prefix_docids(
 fn remove_from_word_docids(
     txn: &mut heed::RwTxn,
     db: &heed::Database<Str, RoaringBitmapCodec>,
-    word: &str,
-    must_remove: &mut bool,
     to_remove: &RoaringBitmap,
+    words_to_keep: &mut BTreeSet<String>,
+    words_to_remove: &mut BTreeSet<String>,
 ) -> Result<()> {
     // We create an iterator to be able to get the content and delete the word docids.
     // It's faster to acquire a cursor to get and delete or put, as we avoid traversing
     // the LMDB B-Tree two times but only once.
-    let mut iter = db.prefix_iter_mut(txn, word)?;
-    if let Some((key, mut docids)) = iter.next().transpose()? {
-        if key == word {
-            let previous_len = docids.len();
-            docids -= to_remove;
-            if docids.is_empty() {
-                // safety: we don't keep references from inside the LMDB database.
-                unsafe { iter.del_current()? };
-                *must_remove = true;
-            } else if docids.len() != previous_len {
+    let mut iter = db.iter_mut(txn)?;
+    while let Some((key, mut docids)) = iter.next().transpose()? {
+        let previous_len = docids.len();
+        docids -= to_remove;
+        if docids.is_empty() {
+            // safety: we don't keep references from inside the LMDB database.
+            unsafe { iter.del_current()? };
+            words_to_remove.insert(key.to_owned());
+        } else {
+            words_to_keep.insert(key.to_owned());
+            if docids.len() != previous_len {
                 let key = key.to_owned();
                 // safety: we don't keep references from inside the LMDB database.
                 unsafe { iter.put_current(&key, &docids)? };
@@ -627,7 +589,7 @@ mod tests {
 
     use super::*;
     use crate::index::tests::TempIndex;
-    use crate::{db_snap, Filter};
+    use crate::{db_snap, Filter, Search};
 
     fn delete_documents<'t>(
         wtxn: &mut RwTxn<'t, '_>,
@@ -1199,4 +1161,52 @@ mod tests {
             DeletionStrategy::AlwaysSoft,
         );
     }
+
+    #[test]
+    fn delete_words_exact_attributes() {
+        let index = TempIndex::new();
+
+        index
+            .update_settings(|settings| {
+                settings.set_primary_key(S("id"));
+                settings.set_searchable_fields(vec![S("text"), S("exact")]);
+                settings.set_exact_attributes(vec![S("exact")].into_iter().collect());
+            })
+            .unwrap();
+
+        index
+            .add_documents(documents!([
+                { "id": 0, "text": "hello" },
+                { "id": 1, "exact": "hello"}
+            ]))
+            .unwrap();
+        db_snap!(index, word_docids, 1, @r###"
+        hello            [0, ]
+        "###);
+        db_snap!(index, exact_word_docids, 1, @r###"
+        hello            [1, ]
+        "###);
+        db_snap!(index, words_fst, 1, @"300000000000000001084cfcfc2ce1000000016000000090ea47f");
+
+        let mut wtxn = index.write_txn().unwrap();
+        let deleted_internal_ids =
+            delete_documents(&mut wtxn, &index, &["1"], DeletionStrategy::AlwaysHard);
+        wtxn.commit().unwrap();
+
+        db_snap!(index, word_docids, 2, @r###"
+        hello            [0, ]
+        "###);
+        db_snap!(index, exact_word_docids, 2, @"");
+        db_snap!(index, words_fst, 2, @"300000000000000001084cfcfc2ce1000000016000000090ea47f");
+
+        insta::assert_snapshot!(format!("{deleted_internal_ids:?}"), @"[1]");
+        let txn = index.read_txn().unwrap();
+        let words = index.words_fst(&txn).unwrap().into_stream().into_strs().unwrap();
+        insta::assert_snapshot!(format!("{words:?}"), @r###"["hello"]"###);
+
+        let mut s = Search::new(&txn, &index);
+        s.query("hello");
+        let crate::SearchResult { documents_ids, .. } = s.execute().unwrap();
+        insta::assert_snapshot!(format!("{documents_ids:?}"), @"[0]");
+    }
 }
diff --git a/milli/src/update/facet/mod.rs b/milli/src/update/facet/mod.rs
index 39a3ef437..2fd748d4d 100644
--- a/milli/src/update/facet/mod.rs
+++ b/milli/src/update/facet/mod.rs
@@ -261,7 +261,9 @@ pub(crate) mod test_helpers {
             let options = options.map_size(4096 * 4 * 1000 * 100);
             let tempdir = tempfile::TempDir::new().unwrap();
             let env = options.open(tempdir.path()).unwrap();
-            let content = env.create_database(None).unwrap();
+            let mut wtxn = env.write_txn().unwrap();
+            let content = env.create_database(&mut wtxn, None).unwrap();
+            wtxn.commit().unwrap();
 
             FacetIndex {
                 content,
diff --git a/milli/src/update/index_documents/extract/extract_fid_word_count_docids.rs b/milli/src/update/index_documents/extract/extract_fid_word_count_docids.rs
index 315ebdf0c..fe8eb93ed 100644
--- a/milli/src/update/index_documents/extract/extract_fid_word_count_docids.rs
+++ b/milli/src/update/index_documents/extract/extract_fid_word_count_docids.rs
@@ -1,6 +1,6 @@
 use std::collections::HashMap;
 use std::fs::File;
-use std::{cmp, io};
+use std::io;
 
 use grenad::Sorter;
 
@@ -54,11 +54,10 @@ pub fn extract_fid_word_count_docids<R: io::Read + io::Seek>(
         }
 
         for position in read_u32_ne_bytes(value) {
-            let (field_id, position) = relative_from_absolute_position(position);
-            let word_count = position as u32 + 1;
+            let (field_id, _) = relative_from_absolute_position(position);
 
             let value = document_fid_wordcount.entry(field_id as FieldId).or_insert(0);
-            *value = cmp::max(*value, word_count);
+            *value += 1;
         }
     }
 
@@ -83,7 +82,7 @@ fn drain_document_fid_wordcount_into_sorter(
     let mut key_buffer = Vec::new();
 
     for (fid, count) in document_fid_wordcount.drain() {
-        if count <= 10 {
+        if count <= 30 {
             key_buffer.clear();
             key_buffer.extend_from_slice(&fid.to_be_bytes());
             key_buffer.push(count as u8);
diff --git a/milli/src/update/index_documents/extract/mod.rs b/milli/src/update/index_documents/extract/mod.rs
index 3df8321bc..632f568ab 100644
--- a/milli/src/update/index_documents/extract/mod.rs
+++ b/milli/src/update/index_documents/extract/mod.rs
@@ -325,8 +325,6 @@ fn send_and_extract_flattened_documents_data(
                 // send docid_word_positions_chunk to DB writer
                 let docid_word_positions_chunk =
                     unsafe { as_cloneable_grenad(&docid_word_positions_chunk)? };
-                let _ = lmdb_writer_sx
-                    .send(Ok(TypedChunk::DocidWordPositions(docid_word_positions_chunk.clone())));
 
                 let _ =
                     lmdb_writer_sx.send(Ok(TypedChunk::ScriptLanguageDocids(script_language_pair)));
diff --git a/milli/src/update/index_documents/helpers/merge_functions.rs b/milli/src/update/index_documents/helpers/merge_functions.rs
index 7b8891a7a..64bee95df 100644
--- a/milli/src/update/index_documents/helpers/merge_functions.rs
+++ b/milli/src/update/index_documents/helpers/merge_functions.rs
@@ -4,7 +4,6 @@ use std::result::Result as StdResult;
 
 use roaring::RoaringBitmap;
 
-use super::read_u32_ne_bytes;
 use crate::heed_codec::CboRoaringBitmapCodec;
 use crate::update::index_documents::transform::Operation;
 use crate::Result;
@@ -22,10 +21,6 @@ pub fn concat_u32s_array<'a>(_key: &[u8], values: &[Cow<'a, [u8]>]) -> Result<Co
     }
 }
 
-pub fn roaring_bitmap_from_u32s_array(slice: &[u8]) -> RoaringBitmap {
-    read_u32_ne_bytes(slice).collect()
-}
-
 pub fn serialize_roaring_bitmap(bitmap: &RoaringBitmap, buffer: &mut Vec<u8>) -> io::Result<()> {
     buffer.clear();
     buffer.reserve(bitmap.serialized_size());
diff --git a/milli/src/update/index_documents/helpers/mod.rs b/milli/src/update/index_documents/helpers/mod.rs
index ce6a2abe9..95e497af4 100644
--- a/milli/src/update/index_documents/helpers/mod.rs
+++ b/milli/src/update/index_documents/helpers/mod.rs
@@ -14,8 +14,8 @@ pub use grenad_helpers::{
 };
 pub use merge_functions::{
     concat_u32s_array, keep_first, keep_latest_obkv, merge_cbo_roaring_bitmaps,
-    merge_obkvs_and_operations, merge_roaring_bitmaps, merge_two_obkvs,
-    roaring_bitmap_from_u32s_array, serialize_roaring_bitmap, MergeFn,
+    merge_obkvs_and_operations, merge_roaring_bitmaps, merge_two_obkvs, serialize_roaring_bitmap,
+    MergeFn,
 };
 
 use crate::MAX_WORD_LENGTH;
diff --git a/milli/src/update/index_documents/mod.rs b/milli/src/update/index_documents/mod.rs
index bbfa1d00c..993f87a1f 100644
--- a/milli/src/update/index_documents/mod.rs
+++ b/milli/src/update/index_documents/mod.rs
@@ -236,7 +236,7 @@ where
             primary_key,
             fields_ids_map,
             field_distribution,
-            mut external_documents_ids,
+            new_external_documents_ids,
             new_documents_ids,
             replaced_documents_ids,
             documents_count,
@@ -363,9 +363,6 @@ where
             deletion_builder.delete_documents(&replaced_documents_ids);
             let deleted_documents_result = deletion_builder.execute_inner()?;
             debug!("{} documents actually deleted", deleted_documents_result.deleted_documents);
-            if !deleted_documents_result.soft_deletion_used {
-                external_documents_ids.delete_soft_deleted_documents_ids_from_fsts()?;
-            }
         }
 
         let index_documents_ids = self.index.documents_ids(self.wtxn)?;
@@ -445,6 +442,9 @@ where
         self.index.put_primary_key(self.wtxn, &primary_key)?;
 
         // We write the external documents ids into the main database.
+        let mut external_documents_ids = self.index.external_documents_ids(self.wtxn)?;
+        external_documents_ids.insert_ids(&new_external_documents_ids)?;
+        let external_documents_ids = external_documents_ids.into_static();
         self.index.put_external_documents_ids(self.wtxn, &external_documents_ids)?;
 
         let all_documents_ids = index_documents_ids | new_documents_ids;
@@ -2471,11 +2471,11 @@ mod tests {
               {
                 "id": 3,
                 "text": "a a a a a a a a a a a a a a a a a
-                a a a a a a a a a a a a a a a a a a a a a a a a a a 
-                a a a a a a a a a a a a a a a a a a a a a a a a a a 
-                a a a a a a a a a a a a a a a a a a a a a a a a a a 
-                a a a a a a a a a a a a a a a a a a a a a a a a a a 
-                a a a a a a a a a a a a a a a a a a a a a a a a a a 
+                a a a a a a a a a a a a a a a a a a a a a a a a a a
+                a a a a a a a a a a a a a a a a a a a a a a a a a a
+                a a a a a a a a a a a a a a a a a a a a a a a a a a
+                a a a a a a a a a a a a a a a a a a a a a a a a a a
+                a a a a a a a a a a a a a a a a a a a a a a a a a a
                 a a a a a a a a a a a a a a a a a a a a a "
              }
             ]))
@@ -2513,6 +2513,171 @@ mod tests {
 
         db_snap!(index, word_fid_docids, 3, @"4c2e2a1832e5802796edc1638136d933");
         db_snap!(index, word_position_docids, 3, @"74f556b91d161d997a89468b4da1cb8f");
-        db_snap!(index, docid_word_positions, 3, @"5287245332627675740b28bd46e1cde1");
+    }
+
+    #[test]
+    fn reproduce_the_bug() {
+        /*
+            [milli/examples/fuzz.rs:69] &batches = [
+            Batch(
+                [
+                    AddDoc(
+                        { "id": 1, "doggo": "bernese" }, => internal 0
+                    ),
+                ],
+            ),
+            Batch(
+                [
+                    DeleteDoc(
+                        1, => delete internal 0
+                    ),
+                    AddDoc(
+                        { "id": 0, "catto": "jorts" }, => internal 1
+                    ),
+                ],
+            ),
+            Batch(
+                [
+                    AddDoc(
+                        { "id": 1, "catto": "jorts" }, => internal 2
+                    ),
+                ],
+            ),
+        ]
+        */
+        let mut index = TempIndex::new();
+        index.index_documents_config.deletion_strategy = DeletionStrategy::AlwaysHard;
+
+        // START OF BATCH
+
+        println!("--- ENTERING BATCH 1");
+
+        let mut wtxn = index.write_txn().unwrap();
+
+        let builder = IndexDocuments::new(
+            &mut wtxn,
+            &index,
+            &index.indexer_config,
+            index.index_documents_config.clone(),
+            |_| (),
+            || false,
+        )
+        .unwrap();
+
+        // OP
+
+        let documents = documents!([
+            { "id": 1, "doggo": "bernese" },
+        ]);
+        let (builder, added) = builder.add_documents(documents).unwrap();
+        insta::assert_display_snapshot!(added.unwrap(), @"1");
+
+        // FINISHING
+        let addition = builder.execute().unwrap();
+        insta::assert_debug_snapshot!(addition, @r###"
+        DocumentAdditionResult {
+            indexed_documents: 1,
+            number_of_documents: 1,
+        }
+        "###);
+        wtxn.commit().unwrap();
+
+        db_snap!(index, documents, @r###"
+        {"id":1,"doggo":"bernese"}
+        "###);
+        db_snap!(index, external_documents_ids, @r###"
+        soft:
+        hard:
+        1                        0
+        "###);
+
+        // A first batch of documents has been inserted
+
+        // BATCH 2
+
+        println!("--- ENTERING BATCH 2");
+
+        let mut wtxn = index.write_txn().unwrap();
+
+        let builder = IndexDocuments::new(
+            &mut wtxn,
+            &index,
+            &index.indexer_config,
+            index.index_documents_config.clone(),
+            |_| (),
+            || false,
+        )
+        .unwrap();
+
+        let (builder, removed) = builder.remove_documents(vec![S("1")]).unwrap();
+        insta::assert_display_snapshot!(removed.unwrap(), @"1");
+
+        let documents = documents!([
+            { "id": 0, "catto": "jorts" },
+        ]);
+        let (builder, added) = builder.add_documents(documents).unwrap();
+        insta::assert_display_snapshot!(added.unwrap(), @"1");
+
+        let addition = builder.execute().unwrap();
+        insta::assert_debug_snapshot!(addition, @r###"
+        DocumentAdditionResult {
+            indexed_documents: 1,
+            number_of_documents: 1,
+        }
+        "###);
+        wtxn.commit().unwrap();
+
+        db_snap!(index, documents, @r###"
+        {"id":0,"catto":"jorts"}
+        "###);
+
+        db_snap!(index, external_documents_ids, @r###"
+        soft:
+        hard:
+        0                        1
+        "###);
+
+        db_snap!(index, soft_deleted_documents_ids, @"[]");
+
+        // BATCH 3
+
+        println!("--- ENTERING BATCH 3");
+
+        let mut wtxn = index.write_txn().unwrap();
+
+        let builder = IndexDocuments::new(
+            &mut wtxn,
+            &index,
+            &index.indexer_config,
+            index.index_documents_config.clone(),
+            |_| (),
+            || false,
+        )
+        .unwrap();
+
+        let documents = documents!([
+            { "id": 1, "catto": "jorts" },
+        ]);
+        let (builder, added) = builder.add_documents(documents).unwrap();
+        insta::assert_display_snapshot!(added.unwrap(), @"1");
+
+        let addition = builder.execute().unwrap();
+        insta::assert_debug_snapshot!(addition, @r###"
+        DocumentAdditionResult {
+            indexed_documents: 1,
+            number_of_documents: 2,
+        }
+        "###);
+        wtxn.commit().unwrap();
+
+        db_snap!(index, documents, @r###"
+        {"id":1,"catto":"jorts"}
+        {"id":0,"catto":"jorts"}
+        "###);
+
+        // Ensuring all the returned IDs actually exists
+        let rtxn = index.read_txn().unwrap();
+        let res = index.search(&rtxn).execute().unwrap();
+        index.documents(&rtxn, res.documents_ids).unwrap();
     }
 }
diff --git a/milli/src/update/index_documents/transform.rs b/milli/src/update/index_documents/transform.rs
index 6097278a7..ee6831be5 100644
--- a/milli/src/update/index_documents/transform.rs
+++ b/milli/src/update/index_documents/transform.rs
@@ -21,15 +21,14 @@ use crate::error::{Error, InternalError, UserError};
 use crate::index::{db_name, main_key};
 use crate::update::{AvailableDocumentsIds, ClearDocuments, UpdateIndexingStep};
 use crate::{
-    ExternalDocumentsIds, FieldDistribution, FieldId, FieldIdMapMissingEntry, FieldsIdsMap, Index,
-    Result, BEU32,
+    FieldDistribution, FieldId, FieldIdMapMissingEntry, FieldsIdsMap, Index, Result, BEU32,
 };
 
 pub struct TransformOutput {
     pub primary_key: String,
     pub fields_ids_map: FieldsIdsMap,
     pub field_distribution: FieldDistribution,
-    pub external_documents_ids: ExternalDocumentsIds<'static>,
+    pub new_external_documents_ids: fst::Map<Cow<'static, [u8]>>,
     pub new_documents_ids: RoaringBitmap,
     pub replaced_documents_ids: RoaringBitmap,
     pub documents_count: usize,
@@ -568,8 +567,6 @@ impl<'a, 'i> Transform<'a, 'i> {
             }))?
             .to_string();
 
-        let mut external_documents_ids = self.index.external_documents_ids(wtxn)?;
-
         // We create a final writer to write the new documents in order from the sorter.
         let mut writer = create_writer(
             self.indexer_settings.chunk_compression_type,
@@ -651,13 +648,12 @@ impl<'a, 'i> Transform<'a, 'i> {
             fst_new_external_documents_ids_builder.insert(key, value)
         })?;
         let new_external_documents_ids = fst_new_external_documents_ids_builder.into_map();
-        external_documents_ids.insert_ids(&new_external_documents_ids)?;
 
         Ok(TransformOutput {
             primary_key,
             fields_ids_map: self.fields_ids_map,
             field_distribution,
-            external_documents_ids: external_documents_ids.into_static(),
+            new_external_documents_ids: new_external_documents_ids.map_data(Cow::Owned).unwrap(),
             new_documents_ids: self.new_documents_ids,
             replaced_documents_ids: self.replaced_documents_ids,
             documents_count: self.documents_count,
@@ -691,7 +687,8 @@ impl<'a, 'i> Transform<'a, 'i> {
         let new_external_documents_ids = {
             let mut external_documents_ids = self.index.external_documents_ids(wtxn)?;
             external_documents_ids.delete_soft_deleted_documents_ids_from_fsts()?;
-            external_documents_ids
+            // This call should be free and can't fail since the previous method merged both fsts.
+            external_documents_ids.into_static().to_fst()?.into_owned()
         };
 
         let documents_ids = self.index.documents_ids(wtxn)?;
@@ -776,7 +773,7 @@ impl<'a, 'i> Transform<'a, 'i> {
             primary_key,
             fields_ids_map: new_fields_ids_map,
             field_distribution,
-            external_documents_ids: new_external_documents_ids.into_static(),
+            new_external_documents_ids,
             new_documents_ids: documents_ids,
             replaced_documents_ids: RoaringBitmap::default(),
             documents_count,
diff --git a/milli/src/update/index_documents/typed_chunk.rs b/milli/src/update/index_documents/typed_chunk.rs
index 53f6d807a..89b10bffe 100644
--- a/milli/src/update/index_documents/typed_chunk.rs
+++ b/milli/src/update/index_documents/typed_chunk.rs
@@ -7,24 +7,19 @@ use std::io;
 use charabia::{Language, Script};
 use grenad::MergerBuilder;
 use heed::types::ByteSlice;
-use heed::{BytesDecode, RwTxn};
+use heed::RwTxn;
 use roaring::RoaringBitmap;
 
 use super::helpers::{
-    self, merge_ignore_values, roaring_bitmap_from_u32s_array, serialize_roaring_bitmap,
-    valid_lmdb_key, CursorClonableMmap,
+    self, merge_ignore_values, serialize_roaring_bitmap, valid_lmdb_key, CursorClonableMmap,
 };
 use super::{ClonableMmap, MergeFn};
 use crate::facet::FacetType;
 use crate::update::facet::FacetsUpdate;
 use crate::update::index_documents::helpers::as_cloneable_grenad;
-use crate::{
-    lat_lng_to_xyz, BoRoaringBitmapCodec, CboRoaringBitmapCodec, DocumentId, GeoPoint, Index,
-    Result,
-};
+use crate::{lat_lng_to_xyz, CboRoaringBitmapCodec, DocumentId, GeoPoint, Index, Result};
 
 pub(crate) enum TypedChunk {
-    DocidWordPositions(grenad::Reader<CursorClonableMmap>),
     FieldIdDocidFacetStrings(grenad::Reader<CursorClonableMmap>),
     FieldIdDocidFacetNumbers(grenad::Reader<CursorClonableMmap>),
     Documents(grenad::Reader<CursorClonableMmap>),
@@ -56,29 +51,6 @@ pub(crate) fn write_typed_chunk_into_index(
 ) -> Result<(RoaringBitmap, bool)> {
     let mut is_merged_database = false;
     match typed_chunk {
-        TypedChunk::DocidWordPositions(docid_word_positions_iter) => {
-            write_entries_into_database(
-                docid_word_positions_iter,
-                &index.docid_word_positions,
-                wtxn,
-                index_is_empty,
-                |value, buffer| {
-                    // ensure that values are unique and ordered
-                    let positions = roaring_bitmap_from_u32s_array(value);
-                    BoRoaringBitmapCodec::serialize_into(&positions, buffer);
-                    Ok(buffer)
-                },
-                |new_values, db_values, buffer| {
-                    let new_values = roaring_bitmap_from_u32s_array(new_values);
-                    let positions = match BoRoaringBitmapCodec::bytes_decode(db_values) {
-                        Some(db_values) => new_values | db_values,
-                        None => new_values, // should not happen
-                    };
-                    BoRoaringBitmapCodec::serialize_into(&positions, buffer);
-                    Ok(())
-                },
-            )?;
-        }
         TypedChunk::Documents(obkv_documents_iter) => {
             let mut cursor = obkv_documents_iter.into_cursor()?;
             while let Some((key, value)) = cursor.move_on_next()? {