.github/workflows/benchmarks-manual.yml

@@ -43,7 +43,7 @@ jobs:
       # Run benchmarks
       - name: Run benchmarks - Dataset ${BENCH_NAME} - Branch ${{ steps.current_branch.outputs.name }} - Commit ${{ steps.commit_sha.outputs.short }}
         run: |
-          cd crates/benchmarks
+          cd benchmarks
           cargo bench --bench ${BENCH_NAME} -- --save-baseline ${{ steps.file.outputs.basename }}
 
       # Generate critcmp files

.github/workflows/benchmarks-pr.yml

@@ -88,7 +88,7 @@ jobs:
       # Run benchmarks
       - name: Run benchmarks - Dataset ${{ steps.command.outputs.command-arguments }} - Branch ${{ steps.current_branch.outputs.name }} - Commit ${{ steps.commit_sha.outputs.short }}
         run: |
-          cd crates/benchmarks
+          cd benchmarks
           cargo bench --bench ${{ steps.command.outputs.command-arguments }} -- --save-baseline ${{ steps.file.outputs.basename }}
 
       # Generate critcmp files

.github/workflows/benchmarks-push-indexing.yml

@@ -41,7 +41,7 @@ jobs:
       # Run benchmarks
       - name: Run benchmarks - Dataset ${BENCH_NAME} - Branch ${{ steps.current_branch.outputs.name }} - Commit ${{ steps.commit_sha.outputs.short }}
         run: |
-          cd crates/benchmarks
+          cd benchmarks
           cargo bench --bench ${BENCH_NAME} -- --save-baseline ${{ steps.file.outputs.basename }}
 
       # Generate critcmp files

.github/workflows/benchmarks-push-search-songs.yml

@@ -40,7 +40,7 @@ jobs:
       # Run benchmarks
       - name: Run benchmarks - Dataset ${BENCH_NAME} - Branch ${{ steps.current_branch.outputs.name }} - Commit ${{ steps.commit_sha.outputs.short }}
         run: |
-          cd crates/benchmarks
+          cd benchmarks
           cargo bench --bench ${BENCH_NAME} -- --save-baseline ${{ steps.file.outputs.basename }}
 
       # Generate critcmp files

.github/workflows/benchmarks-push-search-wiki.yml

@@ -40,7 +40,7 @@ jobs:
       # Run benchmarks
       - name: Run benchmarks - Dataset ${BENCH_NAME} - Branch ${{ steps.current_branch.outputs.name }} - Commit ${{ steps.commit_sha.outputs.short }}
         run: |
-          cd crates/benchmarks
+          cd benchmarks
           cargo bench --bench ${BENCH_NAME} -- --save-baseline ${{ steps.file.outputs.basename }}
 
       # Generate critcmp files

.github/workflows/publish-binaries.yml

@@ -65,9 +65,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-13, windows-2022]
+        os: [macos-12, windows-2022]
         include:
-          - os: macos-13
+          - os: macos-12
             artifact_name: meilisearch
             asset_name: meilisearch-macos-amd64
           - os: windows-2022
@@ -90,7 +90,7 @@ jobs:
 
   publish-macos-apple-silicon:
     name: Publish binary for macOS silicon
-    runs-on: macos-13
+    runs-on: macos-12
     needs: check-version
     strategy:
       matrix:

.github/workflows/test-suite.yml

@@ -51,7 +51,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-13, windows-2022]
+        os: [macos-12, windows-2022]
     steps:
       - uses: actions/checkout@v3
       - name: Cache dependencies

Cargo.lock

@@ -386,28 +386,8 @@ checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711"
 
 [[package]]
 name = "arroy"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dfc5f272f38fa063bbff0a7ab5219404e221493de005e2b4078c62d626ef567e"
-dependencies = [
- "bytemuck",
- "byteorder",
- "heed",
- "log",
- "memmap2",
- "nohash",
- "ordered-float",
- "rand",
- "rayon",
- "roaring",
- "tempfile",
- "thiserror",
-]
-
-[[package]]
-name = "arroy"
-version = "0.5.0"
-source = "git+https://github.com/meilisearch/arroy/?tag=DO-NOT-DELETE-upgrade-v04-to-v05#053807bf38dc079f25b003f19fc30fbf3613f6e7"
+version = "0.4.0"
+source = "git+https://github.com/meilisearch/arroy/?rev=2386594dfb009ce08821a925ccc89fb8e30bf73d#2386594dfb009ce08821a925ccc89fb8e30bf73d"
 dependencies = [
  "bytemuck",
  "byteorder",
@@ -726,9 +706,9 @@ checksum = "2c676a478f63e9fa2dd5368a42f28bba0d6c560b775f38583c8bbaa7fcd67c9c"
 
 [[package]]
 name = "bytemuck"
-version = "1.19.0"
+version = "1.16.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8334215b81e418a0a7bdb8ef0849474f40bb10c8b71f1c4ed315cff49f32494d"
+checksum = "b236fc92302c97ed75b38da1f4917b5cdda4984745740f153a5d3059e48d725e"
 dependencies = [
  "bytemuck_derive",
 ]
@@ -2575,7 +2555,7 @@ name = "index-scheduler"
 version = "1.11.0"
 dependencies = [
  "anyhow",
- "arroy 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arroy",
  "big_s",
  "bincode",
  "crossbeam",
@@ -3434,7 +3414,6 @@ dependencies = [
  "meilisearch-types",
  "mimalloc",
  "mime",
- "mopa-maintained",
  "num_cpus",
  "obkv",
  "once_cell",
@@ -3537,7 +3516,6 @@ name = "meilitool"
 version = "1.11.0"
 dependencies = [
  "anyhow",
- "arroy 0.5.0 (git+https://github.com/meilisearch/arroy/?tag=DO-NOT-DELETE-upgrade-v04-to-v05)",
  "clap",
  "dump",
  "file-store",
@@ -3568,7 +3546,7 @@ dependencies = [
 name = "milli"
 version = "1.11.0"
 dependencies = [
- "arroy 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arroy",
  "big_s",
  "bimap",
  "bincode",
@@ -3703,12 +3681,6 @@ dependencies = [
  "syn 2.0.60",
 ]
 
-[[package]]
-name = "mopa-maintained"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79b7f3e22167862cc7c95b21a6f326c22e4bf40da59cbf000b368a310173ba11"
-
 [[package]]
 name = "mutually_exclusive_features"
 version = "0.0.3"
@@ -4610,8 +4582,9 @@ dependencies = [
 
 [[package]]
 name = "rhai"
-version = "1.20.0"
-source = "git+https://github.com/rhaiscript/rhai?rev=ef3df63121d27aacd838f366f2b83fd65f20a1e4#ef3df63121d27aacd838f366f2b83fd65f20a1e4"
+version = "1.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61797318be89b1a268a018a92a7657096d83f3ecb31418b9e9c16dcbb043b702"
 dependencies = [
  "ahash 0.8.11",
  "bitflags 2.6.0",
@@ -4628,7 +4601,8 @@ dependencies = [
 [[package]]
 name = "rhai_codegen"
 version = "2.2.0"
-source = "git+https://github.com/rhaiscript/rhai?rev=ef3df63121d27aacd838f366f2b83fd65f20a1e4#ef3df63121d27aacd838f366f2b83fd65f20a1e4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5a11a05ee1ce44058fa3d5961d05194fdbe3ad6b40f904af764d81b86450e6b"
 dependencies = [
  "proc-macro2",
  "quote",

bors.toml

@@ -1,6 +1,6 @@
 status = [
     'Tests on ubuntu-20.04',
-    'Tests on macos-13',
+    'Tests on macos-12',
     'Tests on windows-2022',
     'Run Clippy',
     'Run Rustfmt',

crates/dump/src/reader/compat/v5_to_v6.rs

@@ -405,11 +405,11 @@ impl From<v5::Action> for v6::Action {
             v5::Action::SettingsAll => v6::Action::SettingsAll,
             v5::Action::SettingsGet => v6::Action::SettingsGet,
             v5::Action::SettingsUpdate => v6::Action::SettingsUpdate,
-            v5::Action::StatsAll => v6::Action::StatsAll,
+            v5::Action::StatsAll => v6::Action::StatsGet,
             v5::Action::StatsGet => v6::Action::StatsGet,
-            v5::Action::MetricsAll => v6::Action::MetricsAll,
+            v5::Action::MetricsAll => v6::Action::MetricsGet,
             v5::Action::MetricsGet => v6::Action::MetricsGet,
-            v5::Action::DumpsAll => v6::Action::DumpsAll,
+            v5::Action::DumpsAll => v6::Action::DumpsCreate,
             v5::Action::DumpsCreate => v6::Action::DumpsCreate,
             v5::Action::Version => v6::Action::Version,
             v5::Action::KeysAdd => v6::Action::KeysAdd,

crates/index-scheduler/Cargo.toml

@@ -40,7 +40,7 @@ ureq = "2.10.0"
 uuid = { version = "1.10.0", features = ["serde", "v4"] }
 
 [dev-dependencies]
-arroy = "0.5.0"
+arroy = { git = "https://github.com/meilisearch/arroy/", rev = "2386594dfb009ce08821a925ccc89fb8e30bf73d" }
 big_s = "1.0.2"
 crossbeam = "0.8.4"
 insta = { version = "1.39.0", features = ["json", "redactions"] }

crates/index-scheduler/src/lib.rs

@@ -1263,7 +1263,7 @@ impl IndexScheduler {
                     #[cfg(test)]
                     self.maybe_fail(tests::FailureLocation::UpdatingTaskAfterProcessBatchFailure)?;
 
-                    tracing::error!("Batch failed {}", error);
+                    tracing::info!("Batch failed {}", error);
 
                     self.update_task(&mut wtxn, &task)
                         .map_err(|e| Error::TaskDatabaseUpdate(Box::new(e)))?;

crates/meilisearch-types/Cargo.toml

@@ -67,8 +67,5 @@ khmer = ["milli/khmer"]
 vietnamese = ["milli/vietnamese"]
 # force swedish character recomposition
 swedish-recomposition = ["milli/swedish-recomposition"]
-# allow german tokenization
+# force german character recomposition
 german = ["milli/german"]
-# allow turkish normalization
-turkish = ["milli/turkish"]
-

crates/meilisearch-types/src/keys.rs

@@ -183,57 +183,56 @@ fn parse_expiration_date(
 bitflags! {
     #[derive(Copy, Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord)]
     #[repr(transparent)]
-    // NOTE: For `Sequence` impl to work, the values of these must be in ascending order
     pub struct Action: u32 {
-        const Search = 1;
-        // Documents
-        const DocumentsAdd = 1 << 1;
-        const DocumentsGet = 1 << 2;
-        const DocumentsDelete = 1 << 3;
-        const DocumentsAll = Self::DocumentsAdd.bits() | Self::DocumentsGet.bits() | Self::DocumentsDelete.bits();
-        // Indexes
-        const IndexesAdd = 1 << 4;
-        const IndexesGet = 1 << 5;
-        const IndexesUpdate = 1 << 6;
-        const IndexesDelete = 1 << 7;
-        const IndexesSwap = 1 << 8;
-        const IndexesAll = Self::IndexesAdd.bits() | Self::IndexesGet.bits() | Self::IndexesUpdate.bits() | Self::IndexesDelete.bits() | Self::IndexesSwap.bits();
-        // Tasks
-        const TasksCancel = 1 << 9;
-        const TasksDelete = 1 << 10;
-        const TasksGet = 1 << 11;
-        const TasksAll = Self::TasksCancel.bits() | Self::TasksDelete.bits() | Self::TasksGet.bits();
-        // Settings
-        const SettingsGet = 1 << 12;
-        const SettingsUpdate = 1 << 13;
-        const SettingsAll = Self::SettingsGet.bits() | Self::SettingsUpdate.bits();
-        // Stats
-        const StatsGet = 1 << 14;
-        const StatsAll = Self::StatsGet.bits();
-        // Metrics
-        const MetricsGet = 1 << 15;
-        const MetricsAll = Self::MetricsGet.bits();
-        // Dumps
-        const DumpsCreate = 1 << 16;
-        const DumpsAll = Self::DumpsCreate.bits();
-        // Snapshots
-        const SnapshotsCreate = 1 << 17;
-        const SnapshotsAll = Self::SnapshotsCreate.bits();
-        // Keys without an "all" version
-        const Version = 1 << 18;
-        const KeysAdd = 1 << 19;
-        const KeysGet = 1 << 20;
-        const KeysUpdate = 1 << 21;
-        const KeysDelete = 1 << 22;
-        const ExperimentalFeaturesGet = 1 << 23;
-        const ExperimentalFeaturesUpdate = 1 << 24;
-        // All
-        const All = 0xFFFFFFFF >> (32 - 1 - 24);
-    }
+    const Search = 1;
+    // Documents
+    const DocumentsAdd = 1 << 1;
+    const DocumentsGet = 1 << 2;
+    const DocumentsDelete = 1 << 3;
+    const DocumentsAll = Self::DocumentsAdd.bits() | Self::DocumentsGet.bits() | Self::DocumentsDelete.bits();
+    // Indexes
+    const IndexesAdd = 1 << 4;
+    const IndexesGet = 1 << 5;
+    const IndexesUpdate = 1 << 6;
+    const IndexesDelete = 1 << 7;
+    const IndexesSwap = 1 << 8;
+    const IndexesAll = Self::IndexesAdd.bits() | Self::IndexesGet.bits() | Self::IndexesUpdate.bits() | Self::IndexesDelete.bits() | Self::IndexesSwap.bits();
+    // Tasks
+    const TasksCancel = 1 << 9;
+    const TasksDelete = 1 << 10;
+    const TasksGet = 1 << 11;
+    const TasksAll = Self::TasksCancel.bits() | Self::TasksDelete.bits() | Self::TasksGet.bits();
+    // Settings
+    const SettingsGet = 1 << 12;
+    const SettingsUpdate = 1 << 13;
+    const SettingsAll = Self::SettingsGet.bits() | Self::SettingsUpdate.bits();
+    const StatsGet = 1 << 14;
+    const MetricsGet = 1 << 15;
+    const DumpsCreate = 1 << 16;
+    const SnapshotsCreate = 1 << 17;
+    const Version = 1 << 18;
+    const KeysAdd = 1 << 19;
+    const KeysGet = 1 << 20;
+    const KeysUpdate = 1 << 21;
+    const KeysDelete = 1 << 22;
+    const ExperimentalFeaturesGet = 1 << 23;
+    const ExperimentalFeaturesUpdate = 1 << 24;
+    const All = {
+        let mut all = 0;
+
+        let mut exp = 0;
+        while exp <= 24 {
+            all = (all << 1) + 1;
+            exp += 1;
+        }
+
+        all
+    };
+}
 }
 
 impl Action {
-    const SERDE_MAP_ARR: [(&'static str, Self); 34] = [
+    const SERDE_MAP_ARR: [(&'static str, Self); 30] = [
         ("search", Self::Search),
         ("documents.add", Self::DocumentsAdd),
         ("documents.get", Self::DocumentsGet),
@@ -253,13 +252,9 @@ impl Action {
         ("settings.update", Self::SettingsUpdate),
         ("settings.*", Self::SettingsAll),
         ("stats.get", Self::StatsGet),
-        ("stats.*", Self::StatsAll),
         ("metrics.get", Self::MetricsGet),
-        ("metrics.*", Self::MetricsAll),
         ("dumps.create", Self::DumpsCreate),
-        ("dumps.*", Self::DumpsAll),
         ("snapshots.create", Self::SnapshotsCreate),
-        ("snapshots.*", Self::SnapshotsAll),
         ("version", Self::Version),
         ("keys.create", Self::KeysAdd),
         ("keys.get", Self::KeysGet),
@@ -284,19 +279,6 @@ impl Action {
             .map(|(serde_name, _)| serde_name)
             .expect("an action is missing a matching serialized value")
     }
-
-    // when we remove "all" flags, this will give us the exact index
-    fn get_potential_index(&self) -> usize {
-        if self.is_empty() {
-            return 0;
-        }
-
-        // most significant bit for u32
-        let msb = 1u32 << (31 - self.bits().leading_zeros());
-
-        // index of the single set bit
-        msb.trailing_zeros() as usize
-    }
 }
 
 pub mod actions {
@@ -321,13 +303,9 @@ pub mod actions {
     pub const SETTINGS_UPDATE: u32 = A::SettingsUpdate.bits();
     pub const SETTINGS_ALL: u32 = A::SettingsAll.bits();
     pub const STATS_GET: u32 = A::StatsGet.bits();
-    pub const STATS_ALL: u32 = A::StatsAll.bits();
     pub const METRICS_GET: u32 = A::MetricsGet.bits();
-    pub const METRICS_ALL: u32 = A::MetricsAll.bits();
     pub const DUMPS_CREATE: u32 = A::DumpsCreate.bits();
-    pub const DUMPS_ALL: u32 = A::DumpsAll.bits();
     pub const SNAPSHOTS_CREATE: u32 = A::SnapshotsCreate.bits();
-    pub const SNAPSHOTS_ALL: u32 = A::SnapshotsAll.bits();
     pub const VERSION: u32 = A::Version.bits();
     pub const KEYS_CREATE: u32 = A::KeysAdd.bits();
     pub const KEYS_GET: u32 = A::KeysGet.bits();
@@ -335,7 +313,6 @@ pub mod actions {
     pub const KEYS_DELETE: u32 = A::KeysDelete.bits();
     pub const EXPERIMENTAL_FEATURES_GET: u32 = A::ExperimentalFeaturesGet.bits();
     pub const EXPERIMENTAL_FEATURES_UPDATE: u32 = A::ExperimentalFeaturesUpdate.bits();
-    pub const ALL: u32 = A::All.bits();
 }
 
 impl<E: DeserializeError> Deserr<E> for Action {
@@ -404,53 +381,48 @@ impl<'de> Deserialize<'de> for Action {
     }
 }
 
-// TODO: Once "all" type flags are removed, simplify
-//       Essentially `get_potential_index` will give the exact index, +1 the exact next, -1 the exact previous
 impl Sequence for Action {
     const CARDINALITY: usize = Self::FLAGS.len();
 
     fn next(&self) -> Option<Self> {
-        let mut potential_next_index = self.get_potential_index() + 1;
-
-        loop {
-            if let Some(next_flag) = Self::FLAGS.get(potential_next_index).map(|v| v.value()) {
-                if next_flag > self {
-                    return Some(*next_flag);
+        let mut iter = Self::FLAGS.iter();
+        while let Some(action) = iter.next() {
+            if action.value() == self {
+                if let Some(action) = iter.next() {
+                    return Some(*action.value());
                 }
 
-                potential_next_index += 1;
-            } else {
-                return None;
+                break;
             }
         }
+
+        None
     }
 
     fn previous(&self) -> Option<Self> {
-        // -2 because of "all" type flags that represent a single flag, otherwise -1 would suffice
-        let initial_potential_index = self.get_potential_index();
-        if initial_potential_index == 0 {
-            return None;
-        }
+        let mut iter = Self::FLAGS.iter().peekable();
 
-        let mut potential_previous_index: usize =
-            if initial_potential_index == 1 { 0 } else { initial_potential_index - 2 };
+        if let Some(action) = iter.next() {
+            if action.value() == self {
+                return None;
+            }
 
-        let mut previous_item: Option<Self> = None;
-        let mut pre_previous_item: Option<Self> = None;
-
-        loop {
-            if let Some(next_flag) = Self::FLAGS.get(potential_previous_index).map(|v| v.value()) {
-                if next_flag > self {
-                    return pre_previous_item;
+            if let Some(next_action) = iter.peek() {
+                if next_action.value() == self {
+                    return Some(*action.value());
                 }
-
-                pre_previous_item = previous_item;
-                previous_item = Some(*next_flag);
-                potential_previous_index += 1;
-            } else {
-                return pre_previous_item;
             }
         }
+
+        while let Some(action) = iter.next() {
+            if let Some(next_action) = iter.peek() {
+                if next_action.value() == self {
+                    return Some(*action.value());
+                }
+            }
+        }
+
+        None
     }
 
     fn first() -> Option<Self> {

crates/meilisearch/Cargo.toml

@@ -75,7 +75,7 @@ reqwest = { version = "0.12.5", features = [
 rustls = { version = "0.23.11", features = ["ring"], default-features = false }
 rustls-pki-types = { version = "1.7.0", features = ["alloc"] }
 rustls-pemfile = "2.1.2"
-segment = { version = "0.2.4" }
+segment = { version = "0.2.4", optional = true }
 serde = { version = "1.0.204", features = ["derive"] }
 serde_json = { version = "1.0.120", features = ["preserve_order"] }
 sha2 = "0.10.8"
@@ -104,7 +104,6 @@ tracing-trace = { version = "0.1.0", path = "../tracing-trace" }
 tracing-actix-web = "0.7.11"
 build-info = { version = "1.7.0", path = "../build-info" }
 roaring = "0.10.2"
-mopa-maintained = "0.2.3"
 
 [dev-dependencies]
 actix-rt = "2.10.0"
@@ -132,7 +131,8 @@ tempfile = { version = "3.10.1", optional = true }
 zip = { version = "2.1.3", optional = true }
 
 [features]
-default = ["meilisearch-types/all-tokenizations", "mini-dashboard"]
+default = ["analytics", "meilisearch-types/all-tokenizations", "mini-dashboard"]
+analytics = ["segment"]
 mini-dashboard = [
     "static-files",
     "anyhow",
@@ -154,8 +154,7 @@ khmer = ["meilisearch-types/khmer"]
 vietnamese = ["meilisearch-types/vietnamese"]
 swedish-recomposition = ["meilisearch-types/swedish-recomposition"]
 german = ["meilisearch-types/german"]
-turkish = ["meilisearch-types/turkish"]
 
 [package.metadata.mini-dashboard]
-assets-url = "https://github.com/meilisearch/mini-dashboard/releases/download/v0.2.15/build.zip"
-sha1 = "d057600b4a839a2e0c0be7a372cd1b2683f3ca7e"
+assets-url = "https://github.com/meilisearch/mini-dashboard/releases/download/v0.2.14/build.zip"
+sha1 = "592d1b5a3459d621d0aae1dded8fe3154f5c38fe"

crates/meilisearch/src/analytics/mod.rs

@@ -1,45 +1,44 @@
-pub mod segment_analytics;
+mod mock_analytics;
+#[cfg(feature = "analytics")]
+mod segment_analytics;
 
 use std::fs;
 use std::path::{Path, PathBuf};
 use std::str::FromStr;
-use std::sync::Arc;
 
 use actix_web::HttpRequest;
-use index_scheduler::IndexScheduler;
-use meilisearch_auth::AuthController;
 use meilisearch_types::InstanceUid;
-use mopa::mopafy;
+pub use mock_analytics::MockAnalytics;
 use once_cell::sync::Lazy;
 use platform_dirs::AppDirs;
+use serde_json::Value;
+
+use crate::routes::indexes::documents::{DocumentEditionByFunction, UpdateDocumentsQuery};
+
+// if the analytics feature is disabled
+// the `SegmentAnalytics` point to the mock instead of the real analytics
+#[cfg(not(feature = "analytics"))]
+pub type SegmentAnalytics = mock_analytics::MockAnalytics;
+#[cfg(not(feature = "analytics"))]
+pub type SearchAggregator = mock_analytics::SearchAggregator;
+#[cfg(not(feature = "analytics"))]
+pub type SimilarAggregator = mock_analytics::SimilarAggregator;
+#[cfg(not(feature = "analytics"))]
+pub type MultiSearchAggregator = mock_analytics::MultiSearchAggregator;
+#[cfg(not(feature = "analytics"))]
+pub type FacetSearchAggregator = mock_analytics::FacetSearchAggregator;
 
 // if the feature analytics is enabled we use the real analytics
+#[cfg(feature = "analytics")]
 pub type SegmentAnalytics = segment_analytics::SegmentAnalytics;
-
-use crate::Opt;
-
-/// A macro used to quickly define events that don't aggregate or send anything besides an empty event with its name.
-#[macro_export]
-macro_rules! empty_analytics {
-    ($struct_name:ident, $event_name:literal) => {
-        #[derive(Default)]
-        struct $struct_name {}
-
-        impl $crate::analytics::Aggregate for $struct_name {
-            fn event_name(&self) -> &'static str {
-                $event_name
-            }
-
-            fn aggregate(self: Box<Self>, _other: Box<Self>) -> Box<Self> {
-                self
-            }
-
-            fn into_event(self: Box<Self>) -> serde_json::Value {
-                serde_json::json!({})
-            }
-        }
-    };
-}
+#[cfg(feature = "analytics")]
+pub type SearchAggregator = segment_analytics::SearchAggregator;
+#[cfg(feature = "analytics")]
+pub type SimilarAggregator = segment_analytics::SimilarAggregator;
+#[cfg(feature = "analytics")]
+pub type MultiSearchAggregator = segment_analytics::MultiSearchAggregator;
+#[cfg(feature = "analytics")]
+pub type FacetSearchAggregator = segment_analytics::FacetSearchAggregator;
 
 /// The Meilisearch config dir:
 /// `~/.config/Meilisearch` on *NIX or *BSD.
@@ -79,88 +78,60 @@ pub enum DocumentFetchKind {
     Normal { with_filter: bool, limit: usize, offset: usize, retrieve_vectors: bool },
 }
 
-/// To send an event to segment, your event must be able to aggregate itself with another event of the same type.
-pub trait Aggregate: 'static + mopa::Any + Send {
-    /// The name of the event that will be sent to segment.
-    fn event_name(&self) -> &'static str;
-
-    /// Will be called every time an event has been used twice before segment flushed its buffer.
-    fn aggregate(self: Box<Self>, new: Box<Self>) -> Box<Self>
-    where
-        Self: Sized;
-
-    /// Converts your structure to the final event that'll be sent to segment.
-    fn into_event(self: Box<Self>) -> serde_json::Value;
-}
-
-mopafy!(Aggregate);
-
-/// Helper trait to define multiple aggregates with the same content but a different name.
-/// Commonly used when you must aggregate a search with POST or with GET, for example.
-pub trait AggregateMethod: 'static + Default + Send {
-    fn event_name() -> &'static str;
-}
-
-/// A macro used to quickly define multiple aggregate method with their name
-/// Usage:
-/// ```rust
-/// use meilisearch::aggregate_methods;
-///
-/// aggregate_methods!(
-///     SearchGET => "Documents Searched GET",
-///     SearchPOST => "Documents Searched POST",
-/// );
-/// ```
-#[macro_export]
-macro_rules! aggregate_methods {
-    ($method:ident => $event_name:literal) => {
-        #[derive(Default)]
-        pub struct $method {}
-
-        impl $crate::analytics::AggregateMethod for $method {
-            fn event_name() -> &'static str {
-                $event_name
-            }
-        }
-    };
-    ($($method:ident => $event_name:literal,)+) => {
-        $(
-            aggregate_methods!($method => $event_name);
-        )+
-
-    };
-}
-
-#[derive(Clone)]
-pub struct Analytics {
-    segment: Option<Arc<SegmentAnalytics>>,
-}
-
-impl Analytics {
-    pub async fn new(
-        opt: &Opt,
-        index_scheduler: Arc<IndexScheduler>,
-        auth_controller: Arc<AuthController>,
-    ) -> Self {
-        if opt.no_analytics {
-            Self { segment: None }
-        } else {
-            Self { segment: SegmentAnalytics::new(opt, index_scheduler, auth_controller).await }
-        }
-    }
-
-    pub fn no_analytics() -> Self {
-        Self { segment: None }
-    }
-
-    pub fn instance_uid(&self) -> Option<&InstanceUid> {
-        self.segment.as_ref().map(|segment| segment.instance_uid.as_ref())
-    }
+pub trait Analytics: Sync + Send {
+    fn instance_uid(&self) -> Option<&InstanceUid>;
 
     /// The method used to publish most analytics that do not need to be batched every hours
-    pub fn publish<T: Aggregate>(&self, event: T, request: &HttpRequest) {
-        if let Some(ref segment) = self.segment {
-            let _ = segment.sender.try_send(segment_analytics::Message::new(event, request));
-        }
-    }
+    fn publish(&self, event_name: String, send: Value, request: Option<&HttpRequest>);
+
+    /// This method should be called to aggregate a get search
+    fn get_search(&self, aggregate: SearchAggregator);
+
+    /// This method should be called to aggregate a post search
+    fn post_search(&self, aggregate: SearchAggregator);
+
+    /// This method should be called to aggregate a get similar request
+    fn get_similar(&self, aggregate: SimilarAggregator);
+
+    /// This method should be called to aggregate a post similar request
+    fn post_similar(&self, aggregate: SimilarAggregator);
+
+    /// This method should be called to aggregate a post array of searches
+    fn post_multi_search(&self, aggregate: MultiSearchAggregator);
+
+    /// This method should be called to aggregate post facet values searches
+    fn post_facet_search(&self, aggregate: FacetSearchAggregator);
+
+    // this method should be called to aggregate an add documents request
+    fn add_documents(
+        &self,
+        documents_query: &UpdateDocumentsQuery,
+        index_creation: bool,
+        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);
+
+    // this method should be called to batch an update documents request
+    fn update_documents(
+        &self,
+        documents_query: &UpdateDocumentsQuery,
+        index_creation: bool,
+        request: &HttpRequest,
+    );
+
+    // this method should be called to batch an update documents by function request
+    fn update_documents_by_function(
+        &self,
+        documents_query: &DocumentEditionByFunction,
+        index_creation: bool,
+        request: &HttpRequest,
+    );
 }

crates/meilisearch/src/lib.rs

@@ -120,7 +120,7 @@ pub fn create_app(
     search_queue: Data<SearchQueue>,
     opt: Opt,
     logs: (LogRouteHandle, LogStderrHandle),
-    analytics: Data<Analytics>,
+    analytics: Arc<dyn Analytics>,
     enable_dashboard: bool,
 ) -> actix_web::App<
     impl ServiceFactory<
@@ -473,14 +473,14 @@ pub fn configure_data(
     search_queue: Data<SearchQueue>,
     opt: &Opt,
     (logs_route, logs_stderr): (LogRouteHandle, LogStderrHandle),
-    analytics: Data<Analytics>,
+    analytics: Arc<dyn Analytics>,
 ) {
     let http_payload_size_limit = opt.http_payload_size_limit.as_u64() as usize;
     config
         .app_data(index_scheduler)
         .app_data(auth)
         .app_data(search_queue)
-        .app_data(analytics)
+        .app_data(web::Data::from(analytics))
         .app_data(web::Data::new(logs_route))
         .app_data(web::Data::new(logs_stderr))
         .app_data(web::Data::new(opt.clone()))

crates/meilisearch/src/main.rs

@@ -5,7 +5,6 @@ use std::path::PathBuf;
 use std::str::FromStr;
 use std::sync::Arc;
 use std::thread::available_parallelism;
-use std::time::Duration;
 
 use actix_web::http::KeepAlive;
 use actix_web::web::Data;
@@ -124,12 +123,19 @@ async fn try_main() -> anyhow::Result<()> {
 
     let (index_scheduler, auth_controller) = setup_meilisearch(&opt)?;
 
-    let analytics =
-        analytics::Analytics::new(&opt, index_scheduler.clone(), auth_controller.clone()).await;
+    #[cfg(all(not(debug_assertions), feature = "analytics"))]
+    let analytics = if !opt.no_analytics {
+        analytics::SegmentAnalytics::new(&opt, index_scheduler.clone(), auth_controller.clone())
+            .await
+    } else {
+        analytics::MockAnalytics::new(&opt)
+    };
+    #[cfg(any(debug_assertions, not(feature = "analytics")))]
+    let analytics = analytics::MockAnalytics::new(&opt);
 
     print_launch_resume(&opt, analytics.clone(), config_read_from);
 
-    run_http(index_scheduler, auth_controller, opt, log_handle, Arc::new(analytics)).await?;
+    run_http(index_scheduler, auth_controller, opt, log_handle, analytics).await?;
 
     Ok(())
 }
@@ -139,23 +145,16 @@ async fn run_http(
     auth_controller: Arc<AuthController>,
     opt: Opt,
     logs: (LogRouteHandle, LogStderrHandle),
-    analytics: Arc<Analytics>,
+    analytics: Arc<dyn Analytics>,
 ) -> anyhow::Result<()> {
     let enable_dashboard = &opt.env == "development";
     let opt_clone = opt.clone();
     let index_scheduler = Data::from(index_scheduler);
     let auth_controller = Data::from(auth_controller);
-    let analytics = Data::from(analytics);
     let search_queue = SearchQueue::new(
         opt.experimental_search_queue_size,
-        available_parallelism()
-            .unwrap_or(NonZeroUsize::new(2).unwrap())
-            .checked_mul(opt.experimental_nb_searches_per_core)
-            .unwrap_or(NonZeroUsize::MAX),
-    )
-    .with_time_to_abort(Duration::from_secs(
-        usize::from(opt.experimental_drop_search_after) as u64
-    ));
+        available_parallelism().unwrap_or(NonZeroUsize::new(2).unwrap()),
+    );
     let search_queue = Data::new(search_queue);
 
     let http_server = HttpServer::new(move || {
@@ -181,7 +180,11 @@ async fn run_http(
     Ok(())
 }
 
-pub fn print_launch_resume(opt: &Opt, analytics: Analytics, config_read_from: Option<PathBuf>) {
+pub fn print_launch_resume(
+    opt: &Opt,
+    analytics: Arc<dyn Analytics>,
+    config_read_from: Option<PathBuf>,
+) {
     let build_info = build_info::BuildInfo::from_build();
 
     let protocol =
@@ -223,6 +226,7 @@ pub fn print_launch_resume(opt: &Opt, analytics: Analytics, config_read_from: Op
         eprintln!("Prototype:\t\t{:?}", prototype);
     }
 
+    #[cfg(all(not(debug_assertions), feature = "analytics"))]
     {
         if !opt.no_analytics {
             eprintln!(

crates/meilisearch/src/option.rs

@@ -2,7 +2,7 @@ use std::env::VarError;
 use std::ffi::OsStr;
 use std::fmt::Display;
 use std::io::{BufReader, Read};
-use std::num::{NonZeroUsize, ParseIntError};
+use std::num::ParseIntError;
 use std::ops::Deref;
 use std::path::PathBuf;
 use std::str::FromStr;
@@ -29,6 +29,7 @@ const MEILI_MASTER_KEY: &str = "MEILI_MASTER_KEY";
 const MEILI_ENV: &str = "MEILI_ENV";
 const MEILI_TASK_WEBHOOK_URL: &str = "MEILI_TASK_WEBHOOK_URL";
 const MEILI_TASK_WEBHOOK_AUTHORIZATION_HEADER: &str = "MEILI_TASK_WEBHOOK_AUTHORIZATION_HEADER";
+#[cfg(feature = "analytics")]
 const MEILI_NO_ANALYTICS: &str = "MEILI_NO_ANALYTICS";
 const MEILI_HTTP_PAYLOAD_SIZE_LIMIT: &str = "MEILI_HTTP_PAYLOAD_SIZE_LIMIT";
 const MEILI_SSL_CERT_PATH: &str = "MEILI_SSL_CERT_PATH";
@@ -54,8 +55,6 @@ const MEILI_EXPERIMENTAL_ENABLE_LOGS_ROUTE: &str = "MEILI_EXPERIMENTAL_ENABLE_LO
 const MEILI_EXPERIMENTAL_CONTAINS_FILTER: &str = "MEILI_EXPERIMENTAL_CONTAINS_FILTER";
 const MEILI_EXPERIMENTAL_ENABLE_METRICS: &str = "MEILI_EXPERIMENTAL_ENABLE_METRICS";
 const MEILI_EXPERIMENTAL_SEARCH_QUEUE_SIZE: &str = "MEILI_EXPERIMENTAL_SEARCH_QUEUE_SIZE";
-const MEILI_EXPERIMENTAL_DROP_SEARCH_AFTER: &str = "MEILI_EXPERIMENTAL_DROP_SEARCH_AFTER";
-const MEILI_EXPERIMENTAL_NB_SEARCHES_PER_CORE: &str = "MEILI_EXPERIMENTAL_NB_SEARCHES_PER_CORE";
 const MEILI_EXPERIMENTAL_REDUCE_INDEXING_MEMORY_USAGE: &str =
     "MEILI_EXPERIMENTAL_REDUCE_INDEXING_MEMORY_USAGE";
 const MEILI_EXPERIMENTAL_MAX_NUMBER_OF_BATCHED_TASKS: &str =
@@ -209,6 +208,7 @@ pub struct Opt {
     /// 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.
+    #[cfg(feature = "analytics")]
     #[serde(default)] // we can't send true
     #[clap(long, env = MEILI_NO_ANALYTICS)]
     pub no_analytics: bool,
@@ -357,26 +357,10 @@ pub struct Opt {
     /// Lets you customize the size of the search queue. Meilisearch processes your search requests as fast as possible but once the
     /// queue is full it starts returning HTTP 503, Service Unavailable.
     /// The default value is 1000.
-    #[clap(long, env = MEILI_EXPERIMENTAL_SEARCH_QUEUE_SIZE, default_value_t = default_experimental_search_queue_size())]
-    #[serde(default = "default_experimental_search_queue_size")]
+    #[clap(long, env = MEILI_EXPERIMENTAL_SEARCH_QUEUE_SIZE, default_value_t = 1000)]
+    #[serde(default)]
     pub experimental_search_queue_size: usize,
 
-    /// Experimental drop search after. For more information, see: <https://github.com/orgs/meilisearch/discussions/783>
-    ///
-    /// Let you customize after how many seconds Meilisearch should consider a search request irrelevant and drop it.
-    /// The default value is 60.
-    #[clap(long, env = MEILI_EXPERIMENTAL_DROP_SEARCH_AFTER, default_value_t = default_drop_search_after())]
-    #[serde(default = "default_drop_search_after")]
-    pub experimental_drop_search_after: NonZeroUsize,
-
-    /// Experimental number of searches per core. For more information, see: <https://github.com/orgs/meilisearch/discussions/784>
-    ///
-    /// Lets you customize how many search requests can run on each core concurrently.
-    /// The default value is 4.
-    #[clap(long, env = MEILI_EXPERIMENTAL_NB_SEARCHES_PER_CORE, default_value_t = default_nb_searches_per_core())]
-    #[serde(default = "default_nb_searches_per_core")]
-    pub experimental_nb_searches_per_core: NonZeroUsize,
-
     /// Experimental logs mode feature. For more information, see: <https://github.com/orgs/meilisearch/discussions/723>
     ///
     /// Change the mode of the logs on the console.
@@ -423,6 +407,7 @@ pub struct Opt {
 
 impl Opt {
     /// Whether analytics should be enabled or not.
+    #[cfg(all(not(debug_assertions), feature = "analytics"))]
     pub fn analytics(&self) -> bool {
         !self.no_analytics
     }
@@ -502,12 +487,11 @@ impl Opt {
             ignore_missing_dump: _,
             ignore_dump_if_db_exists: _,
             config_file_path: _,
+            #[cfg(feature = "analytics")]
             no_analytics,
             experimental_contains_filter,
             experimental_enable_metrics,
             experimental_search_queue_size,
-            experimental_drop_search_after,
-            experimental_nb_searches_per_core,
             experimental_logs_mode,
             experimental_enable_logs_route,
             experimental_replication_parameters,
@@ -529,7 +513,10 @@ impl Opt {
             );
         }
 
-        export_to_env_if_not_present(MEILI_NO_ANALYTICS, no_analytics.to_string());
+        #[cfg(feature = "analytics")]
+        {
+            export_to_env_if_not_present(MEILI_NO_ANALYTICS, no_analytics.to_string());
+        }
         export_to_env_if_not_present(
             MEILI_HTTP_PAYLOAD_SIZE_LIMIT,
             http_payload_size_limit.to_string(),
@@ -572,14 +559,6 @@ impl Opt {
             MEILI_EXPERIMENTAL_SEARCH_QUEUE_SIZE,
             experimental_search_queue_size.to_string(),
         );
-        export_to_env_if_not_present(
-            MEILI_EXPERIMENTAL_DROP_SEARCH_AFTER,
-            experimental_drop_search_after.to_string(),
-        );
-        export_to_env_if_not_present(
-            MEILI_EXPERIMENTAL_NB_SEARCHES_PER_CORE,
-            experimental_nb_searches_per_core.to_string(),
-        );
         export_to_env_if_not_present(
             MEILI_EXPERIMENTAL_LOGS_MODE,
             experimental_logs_mode.to_string(),
@@ -911,18 +890,6 @@ fn default_dump_dir() -> PathBuf {
     PathBuf::from(DEFAULT_DUMP_DIR)
 }
 
-fn default_experimental_search_queue_size() -> usize {
-    1000
-}
-
-fn default_drop_search_after() -> NonZeroUsize {
-    NonZeroUsize::new(60).unwrap()
-}
-
-fn default_nb_searches_per_core() -> NonZeroUsize {
-    NonZeroUsize::new(4).unwrap()
-}
-
 /// Indicates if a snapshot was scheduled, and if yes with which interval.
 #[derive(Debug, Default, Copy, Clone, Deserialize, Serialize)]
 pub enum ScheduleSnapshot {

crates/meilisearch/src/routes/dump.rs

@@ -4,6 +4,7 @@ use index_scheduler::IndexScheduler;
 use meilisearch_auth::AuthController;
 use meilisearch_types::error::ResponseError;
 use meilisearch_types::tasks::KindWithContent;
+use serde_json::json;
 use tracing::debug;
 
 use crate::analytics::Analytics;
@@ -17,16 +18,14 @@ pub fn configure(cfg: &mut web::ServiceConfig) {
     cfg.service(web::resource("").route(web::post().to(SeqHandler(create_dump))));
 }
 
-crate::empty_analytics!(DumpAnalytics, "Dump Created");
-
 pub async fn create_dump(
     index_scheduler: GuardedData<ActionPolicy<{ actions::DUMPS_CREATE }>, Data<IndexScheduler>>,
     auth_controller: GuardedData<ActionPolicy<{ actions::DUMPS_CREATE }>, Data<AuthController>>,
     req: HttpRequest,
     opt: web::Data<Opt>,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
-    analytics.publish(DumpAnalytics::default(), &req);
+    analytics.publish("Dump Created".to_string(), json!({}), Some(&req));
 
     let task = KindWithContent::DumpCreation {
         keys: auth_controller.list_keys()?,

crates/meilisearch/src/routes/features.rs

@@ -6,10 +6,10 @@ use index_scheduler::IndexScheduler;
 use meilisearch_types::deserr::DeserrJsonError;
 use meilisearch_types::error::ResponseError;
 use meilisearch_types::keys::actions;
-use serde::Serialize;
+use serde_json::json;
 use tracing::debug;
 
-use crate::analytics::{Aggregate, Analytics};
+use crate::analytics::Analytics;
 use crate::extractors::authentication::policies::ActionPolicy;
 use crate::extractors::authentication::GuardedData;
 use crate::extractors::sequential_extractor::SeqHandler;
@@ -17,7 +17,7 @@ use crate::extractors::sequential_extractor::SeqHandler;
 pub fn configure(cfg: &mut web::ServiceConfig) {
     cfg.service(
         web::resource("")
-            .route(web::get().to(get_features))
+            .route(web::get().to(SeqHandler(get_features)))
             .route(web::patch().to(SeqHandler(patch_features))),
     );
 }
@@ -27,9 +27,12 @@ async fn get_features(
         ActionPolicy<{ actions::EXPERIMENTAL_FEATURES_GET }>,
         Data<IndexScheduler>,
     >,
+    req: HttpRequest,
+    analytics: Data<dyn Analytics>,
 ) -> HttpResponse {
     let features = index_scheduler.features();
 
+    analytics.publish("Experimental features Seen".to_string(), json!(null), Some(&req));
     let features = features.runtime_features();
     debug!(returns = ?features, "Get features");
     HttpResponse::Ok().json(features)
@@ -50,35 +53,6 @@ pub struct RuntimeTogglableFeatures {
     pub contains_filter: Option<bool>,
 }
 
-#[derive(Serialize)]
-pub struct PatchExperimentalFeatureAnalytics {
-    vector_store: bool,
-    metrics: bool,
-    logs_route: bool,
-    edit_documents_by_function: bool,
-    contains_filter: bool,
-}
-
-impl Aggregate for PatchExperimentalFeatureAnalytics {
-    fn event_name(&self) -> &'static str {
-        "Experimental features Updated"
-    }
-
-    fn aggregate(self: Box<Self>, new: Box<Self>) -> Box<Self> {
-        Box::new(Self {
-            vector_store: new.vector_store,
-            metrics: new.metrics,
-            logs_route: new.logs_route,
-            edit_documents_by_function: new.edit_documents_by_function,
-            contains_filter: new.contains_filter,
-        })
-    }
-
-    fn into_event(self: Box<Self>) -> serde_json::Value {
-        serde_json::to_value(*self).unwrap_or_default()
-    }
-}
-
 async fn patch_features(
     index_scheduler: GuardedData<
         ActionPolicy<{ actions::EXPERIMENTAL_FEATURES_UPDATE }>,
@@ -86,7 +60,7 @@ async fn patch_features(
     >,
     new_features: AwebJson<RuntimeTogglableFeatures, DeserrJsonError>,
     req: HttpRequest,
-    analytics: Data<Analytics>,
+    analytics: Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let features = index_scheduler.features();
     debug!(parameters = ?new_features, "Patch features");
@@ -115,14 +89,15 @@ async fn patch_features(
     } = new_features;
 
     analytics.publish(
-        PatchExperimentalFeatureAnalytics {
-            vector_store,
-            metrics,
-            logs_route,
-            edit_documents_by_function,
-            contains_filter,
-        },
-        &req,
+        "Experimental features Updated".to_string(),
+        json!({
+            "vector_store": vector_store,
+            "metrics": metrics,
+            "logs_route": logs_route,
+            "edit_documents_by_function": edit_documents_by_function,
+            "contains_filter": contains_filter,
+        }),
+        Some(&req),
     );
     index_scheduler.put_runtime_features(new_features)?;
     debug!(returns = ?new_features, "Patch features");

crates/meilisearch/src/routes/indexes/documents.rs

@@ -1,6 +1,4 @@
-use std::collections::HashSet;
 use std::io::ErrorKind;
-use std::marker::PhantomData;
 
 use actix_web::http::header::CONTENT_TYPE;
 use actix_web::web::Data;
@@ -25,14 +23,14 @@ use meilisearch_types::tasks::KindWithContent;
 use meilisearch_types::{milli, Document, Index};
 use mime::Mime;
 use once_cell::sync::Lazy;
-use serde::{Deserialize, Serialize};
+use serde::Deserialize;
 use serde_json::Value;
 use tempfile::tempfile;
 use tokio::fs::File;
 use tokio::io::{AsyncSeekExt, AsyncWriteExt, BufWriter};
 use tracing::debug;
 
-use crate::analytics::{Aggregate, AggregateMethod, Analytics};
+use crate::analytics::{Analytics, DocumentDeletionKind, DocumentFetchKind};
 use crate::error::MeilisearchHttpError;
 use crate::error::PayloadError::ReceivePayload;
 use crate::extractors::authentication::policies::*;
@@ -43,7 +41,7 @@ use crate::routes::{
     get_task_id, is_dry_run, PaginationView, SummarizedTaskView, PAGINATION_DEFAULT_LIMIT,
 };
 use crate::search::{parse_filter, RetrieveVectors};
-use crate::{aggregate_methods, Opt};
+use crate::Opt;
 
 static ACCEPTED_CONTENT_TYPE: Lazy<Vec<String>> = Lazy::new(|| {
     vec!["application/json".to_string(), "application/x-ndjson".to_string(), "text/csv".to_string()]
@@ -102,84 +100,12 @@ pub struct GetDocument {
     retrieve_vectors: Param<bool>,
 }
 
-aggregate_methods!(
-    DocumentsGET => "Documents Fetched GET",
-    DocumentsPOST => "Documents Fetched POST",
-);
-
-#[derive(Serialize)]
-pub struct DocumentsFetchAggregator<Method: AggregateMethod> {
-    // a call on ../documents/:doc_id
-    per_document_id: bool,
-    // if a filter was used
-    per_filter: bool,
-
-    #[serde(rename = "vector.retrieve_vectors")]
-    retrieve_vectors: bool,
-
-    // pagination
-    #[serde(rename = "pagination.max_limit")]
-    max_limit: usize,
-    #[serde(rename = "pagination.max_offset")]
-    max_offset: usize,
-
-    marker: std::marker::PhantomData<Method>,
-}
-
-#[derive(Copy, Clone, Debug, PartialEq, Eq)]
-pub enum DocumentFetchKind {
-    PerDocumentId { retrieve_vectors: bool },
-    Normal { with_filter: bool, limit: usize, offset: usize, retrieve_vectors: bool },
-}
-
-impl<Method: AggregateMethod> DocumentsFetchAggregator<Method> {
-    pub fn from_query(query: &DocumentFetchKind) -> Self {
-        let (limit, offset, retrieve_vectors) = match query {
-            DocumentFetchKind::PerDocumentId { retrieve_vectors } => (1, 0, *retrieve_vectors),
-            DocumentFetchKind::Normal { limit, offset, retrieve_vectors, .. } => {
-                (*limit, *offset, *retrieve_vectors)
-            }
-        };
-
-        Self {
-            per_document_id: matches!(query, DocumentFetchKind::PerDocumentId { .. }),
-            per_filter: matches!(query, DocumentFetchKind::Normal { with_filter, .. } if *with_filter),
-            max_limit: limit,
-            max_offset: offset,
-            retrieve_vectors,
-
-            marker: PhantomData,
-        }
-    }
-}
-
-impl<Method: AggregateMethod> Aggregate for DocumentsFetchAggregator<Method> {
-    fn event_name(&self) -> &'static str {
-        Method::event_name()
-    }
-
-    fn aggregate(self: Box<Self>, new: Box<Self>) -> Box<Self> {
-        Box::new(Self {
-            per_document_id: self.per_document_id | new.per_document_id,
-            per_filter: self.per_filter | new.per_filter,
-            retrieve_vectors: self.retrieve_vectors | new.retrieve_vectors,
-            max_limit: self.max_limit.max(new.max_limit),
-            max_offset: self.max_offset.max(new.max_offset),
-            marker: PhantomData,
-        })
-    }
-
-    fn into_event(self: Box<Self>) -> serde_json::Value {
-        serde_json::to_value(*self).unwrap_or_default()
-    }
-}
-
 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<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let DocumentParam { index_uid, document_id } = document_param.into_inner();
     debug!(parameters = ?params, "Get document");
@@ -191,15 +117,8 @@ pub async fn get_document(
     let features = index_scheduler.features();
     let retrieve_vectors = RetrieveVectors::new(param_retrieve_vectors.0, features)?;
 
-    analytics.publish(
-        DocumentsFetchAggregator::<DocumentsGET> {
-            retrieve_vectors: param_retrieve_vectors.0,
-            per_document_id: true,
-            per_filter: false,
-            max_limit: 0,
-            max_offset: 0,
-            marker: PhantomData,
-        },
+    analytics.get_fetch_documents(
+        &DocumentFetchKind::PerDocumentId { retrieve_vectors: param_retrieve_vectors.0 },
         &req,
     );
 
@@ -210,52 +129,17 @@ pub async fn get_document(
     Ok(HttpResponse::Ok().json(document))
 }
 
-#[derive(Serialize)]
-pub struct DocumentsDeletionAggregator {
-    per_document_id: bool,
-    clear_all: bool,
-    per_batch: bool,
-    per_filter: bool,
-}
-
-impl Aggregate for DocumentsDeletionAggregator {
-    fn event_name(&self) -> &'static str {
-        "Documents Deleted"
-    }
-
-    fn aggregate(self: Box<Self>, new: Box<Self>) -> Box<Self> {
-        Box::new(Self {
-            per_document_id: self.per_document_id | new.per_document_id,
-            clear_all: self.clear_all | new.clear_all,
-            per_batch: self.per_batch | new.per_batch,
-            per_filter: self.per_filter | new.per_filter,
-        })
-    }
-
-    fn into_event(self: Box<Self>) -> serde_json::Value {
-        serde_json::to_value(*self).unwrap_or_default()
-    }
-}
-
 pub async fn delete_document(
     index_scheduler: GuardedData<ActionPolicy<{ actions::DOCUMENTS_DELETE }>, Data<IndexScheduler>>,
     path: web::Path<DocumentParam>,
     req: HttpRequest,
     opt: web::Data<Opt>,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let DocumentParam { index_uid, document_id } = path.into_inner();
     let index_uid = IndexUid::try_from(index_uid)?;
 
-    analytics.publish(
-        DocumentsDeletionAggregator {
-            per_document_id: true,
-            clear_all: false,
-            per_batch: false,
-            per_filter: false,
-        },
-        &req,
-    );
+    analytics.delete_documents(DocumentDeletionKind::PerDocumentId, &req);
 
     let task = KindWithContent::DocumentDeletion {
         index_uid: index_uid.to_string(),
@@ -306,19 +190,17 @@ pub async fn documents_by_query_post(
     index_uid: web::Path<String>,
     body: AwebJson<BrowseQuery, DeserrJsonError>,
     req: HttpRequest,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let body = body.into_inner();
     debug!(parameters = ?body, "Get documents POST");
 
-    analytics.publish(
-        DocumentsFetchAggregator::<DocumentsPOST> {
-            per_filter: body.filter.is_some(),
+    analytics.post_fetch_documents(
+        &DocumentFetchKind::Normal {
+            with_filter: body.filter.is_some(),
+            limit: body.limit,
+            offset: body.offset,
             retrieve_vectors: body.retrieve_vectors,
-            max_limit: body.limit,
-            max_offset: body.offset,
-            per_document_id: false,
-            marker: PhantomData,
         },
         &req,
     );
@@ -331,7 +213,7 @@ pub async fn get_documents(
     index_uid: web::Path<String>,
     params: AwebQueryParameter<BrowseQueryGet, DeserrQueryParamError>,
     req: HttpRequest,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     debug!(parameters = ?params, "Get documents GET");
 
@@ -353,14 +235,12 @@ pub async fn get_documents(
         filter,
     };
 
-    analytics.publish(
-        DocumentsFetchAggregator::<DocumentsGET> {
-            per_filter: query.filter.is_some(),
+    analytics.get_fetch_documents(
+        &DocumentFetchKind::Normal {
+            with_filter: query.filter.is_some(),
+            limit: query.limit,
+            offset: query.offset,
             retrieve_vectors: query.retrieve_vectors,
-            max_limit: query.limit,
-            max_offset: query.offset,
-            per_document_id: false,
-            marker: PhantomData,
         },
         &req,
     );
@@ -418,39 +298,6 @@ fn from_char_csv_delimiter(
     }
 }
 
-aggregate_methods!(
-    Replaced => "Documents Added",
-    Updated => "Documents Updated",
-);
-
-#[derive(Serialize)]
-pub struct DocumentsAggregator<T: AggregateMethod> {
-    payload_types: HashSet<String>,
-    primary_key: HashSet<String>,
-    index_creation: bool,
-    #[serde(skip)]
-    method: PhantomData<T>,
-}
-
-impl<Method: AggregateMethod> Aggregate for DocumentsAggregator<Method> {
-    fn event_name(&self) -> &'static str {
-        Method::event_name()
-    }
-
-    fn aggregate(self: Box<Self>, new: Box<Self>) -> Box<Self> {
-        Box::new(Self {
-            payload_types: self.payload_types.union(&new.payload_types).cloned().collect(),
-            primary_key: self.primary_key.union(&new.primary_key).cloned().collect(),
-            index_creation: self.index_creation | new.index_creation,
-            method: PhantomData,
-        })
-    }
-
-    fn into_event(self: Box<Self>) -> serde_json::Value {
-        serde_json::to_value(self).unwrap_or_default()
-    }
-}
-
 pub async fn replace_documents(
     index_scheduler: GuardedData<ActionPolicy<{ actions::DOCUMENTS_ADD }>, Data<IndexScheduler>>,
     index_uid: web::Path<String>,
@@ -458,32 +305,16 @@ pub async fn replace_documents(
     body: Payload,
     req: HttpRequest,
     opt: web::Data<Opt>,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let index_uid = IndexUid::try_from(index_uid.into_inner())?;
 
     debug!(parameters = ?params, "Replace documents");
     let params = params.into_inner();
 
-    let mut content_types = HashSet::new();
-    let content_type = req
-        .headers()
-        .get(CONTENT_TYPE)
-        .and_then(|s| s.to_str().ok())
-        .unwrap_or("unknown")
-        .to_string();
-    content_types.insert(content_type);
-    let mut primary_keys = HashSet::new();
-    if let Some(primary_key) = params.primary_key.clone() {
-        primary_keys.insert(primary_key);
-    }
-    analytics.publish(
-        DocumentsAggregator::<Replaced> {
-            payload_types: content_types,
-            primary_key: primary_keys,
-            index_creation: index_scheduler.index_exists(&index_uid).map_or(true, |x| !x),
-            method: PhantomData,
-        },
+    analytics.add_documents(
+        &params,
+        index_scheduler.index_exists(&index_uid).map_or(true, |x| !x),
         &req,
     );
 
@@ -515,32 +346,16 @@ pub async fn update_documents(
     body: Payload,
     req: HttpRequest,
     opt: web::Data<Opt>,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let index_uid = IndexUid::try_from(index_uid.into_inner())?;
 
     let params = params.into_inner();
     debug!(parameters = ?params, "Update documents");
 
-    let mut content_types = HashSet::new();
-    let content_type = req
-        .headers()
-        .get(CONTENT_TYPE)
-        .and_then(|s| s.to_str().ok())
-        .unwrap_or("unknown")
-        .to_string();
-    content_types.insert(content_type);
-    let mut primary_keys = HashSet::new();
-    if let Some(primary_key) = params.primary_key.clone() {
-        primary_keys.insert(primary_key);
-    }
-    analytics.publish(
-        DocumentsAggregator::<Updated> {
-            payload_types: content_types,
-            primary_key: primary_keys,
-            index_creation: index_scheduler.index_exists(&index_uid).map_or(true, |x| !x),
-            method: PhantomData,
-        },
+    analytics.add_documents(
+        &params,
+        index_scheduler.index_exists(&index_uid).map_or(true, |x| !x),
         &req,
     );
 
@@ -709,20 +524,12 @@ pub async fn delete_documents_batch(
     body: web::Json<Vec<Value>>,
     req: HttpRequest,
     opt: web::Data<Opt>,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     debug!(parameters = ?body, "Delete documents by batch");
     let index_uid = IndexUid::try_from(index_uid.into_inner())?;
 
-    analytics.publish(
-        DocumentsDeletionAggregator {
-            per_batch: true,
-            per_document_id: false,
-            clear_all: false,
-            per_filter: false,
-        },
-        &req,
-    );
+    analytics.delete_documents(DocumentDeletionKind::PerBatch, &req);
 
     let ids = body
         .iter()
@@ -755,22 +562,14 @@ pub async fn delete_documents_by_filter(
     body: AwebJson<DocumentDeletionByFilter, DeserrJsonError>,
     req: HttpRequest,
     opt: web::Data<Opt>,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     debug!(parameters = ?body, "Delete documents by filter");
     let index_uid = IndexUid::try_from(index_uid.into_inner())?;
     let index_uid = index_uid.into_inner();
     let filter = body.into_inner().filter;
 
-    analytics.publish(
-        DocumentsDeletionAggregator {
-            per_filter: true,
-            per_document_id: false,
-            clear_all: false,
-            per_batch: false,
-        },
-        &req,
-    );
+    analytics.delete_documents(DocumentDeletionKind::PerFilter, &req);
 
     // we ensure the filter is well formed before enqueuing it
     crate::search::parse_filter(&filter, Code::InvalidDocumentFilter, index_scheduler.features())?
@@ -800,41 +599,13 @@ pub struct DocumentEditionByFunction {
     pub function: String,
 }
 
-#[derive(Serialize)]
-struct EditDocumentsByFunctionAggregator {
-    // Set to true if at least one request was filtered
-    filtered: bool,
-    // Set to true if at least one request contained a context
-    with_context: bool,
-
-    index_creation: bool,
-}
-
-impl Aggregate for EditDocumentsByFunctionAggregator {
-    fn event_name(&self) -> &'static str {
-        "Documents Edited By Function"
-    }
-
-    fn aggregate(self: Box<Self>, new: Box<Self>) -> Box<Self> {
-        Box::new(Self {
-            filtered: self.filtered | new.filtered,
-            with_context: self.with_context | new.with_context,
-            index_creation: self.index_creation | new.index_creation,
-        })
-    }
-
-    fn into_event(self: Box<Self>) -> serde_json::Value {
-        serde_json::to_value(*self).unwrap_or_default()
-    }
-}
-
 pub async fn edit_documents_by_function(
     index_scheduler: GuardedData<ActionPolicy<{ actions::DOCUMENTS_ALL }>, Data<IndexScheduler>>,
     index_uid: web::Path<String>,
     params: AwebJson<DocumentEditionByFunction, DeserrJsonError>,
     req: HttpRequest,
     opt: web::Data<Opt>,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     debug!(parameters = ?params, "Edit documents by function");
 
@@ -846,12 +617,9 @@ pub async fn edit_documents_by_function(
     let index_uid = index_uid.into_inner();
     let params = params.into_inner();
 
-    analytics.publish(
-        EditDocumentsByFunctionAggregator {
-            filtered: params.filter.is_some(),
-            with_context: params.context.is_some(),
-            index_creation: index_scheduler.index(&index_uid).is_err(),
-        },
+    analytics.update_documents_by_function(
+        &params,
+        index_scheduler.index(&index_uid).is_err(),
         &req,
     );
 
@@ -902,18 +670,10 @@ pub async fn clear_all_documents(
     index_uid: web::Path<String>,
     req: HttpRequest,
     opt: web::Data<Opt>,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let index_uid = IndexUid::try_from(index_uid.into_inner())?;
-    analytics.publish(
-        DocumentsDeletionAggregator {
-            clear_all: true,
-            per_document_id: false,
-            per_batch: false,
-            per_filter: false,
-        },
-        &req,
-    );
+    analytics.delete_documents(DocumentDeletionKind::ClearAll, &req);
 
     let task = KindWithContent::DocumentClear { index_uid: index_uid.to_string() };
     let uid = get_task_id(&req, &opt)?;

crates/meilisearch/src/routes/indexes/facet_search.rs

@@ -1,5 +1,3 @@
-use std::collections::{BinaryHeap, HashSet};
-
 use actix_web::web::Data;
 use actix_web::{web, HttpRequest, HttpResponse};
 use deserr::actix_web::AwebJson;
@@ -12,15 +10,14 @@ use meilisearch_types::locales::Locale;
 use serde_json::Value;
 use tracing::debug;
 
-use crate::analytics::{Aggregate, Analytics};
+use crate::analytics::{Analytics, FacetSearchAggregator};
 use crate::extractors::authentication::policies::*;
 use crate::extractors::authentication::GuardedData;
 use crate::routes::indexes::search::search_kind;
 use crate::search::{
-    add_search_rules, perform_facet_search, FacetSearchResult, HybridQuery, MatchingStrategy,
-    RankingScoreThreshold, SearchQuery, DEFAULT_CROP_LENGTH, DEFAULT_CROP_MARKER,
-    DEFAULT_HIGHLIGHT_POST_TAG, DEFAULT_HIGHLIGHT_PRE_TAG, DEFAULT_SEARCH_LIMIT,
-    DEFAULT_SEARCH_OFFSET,
+    add_search_rules, perform_facet_search, HybridQuery, MatchingStrategy, RankingScoreThreshold,
+    SearchQuery, DEFAULT_CROP_LENGTH, DEFAULT_CROP_MARKER, DEFAULT_HIGHLIGHT_POST_TAG,
+    DEFAULT_HIGHLIGHT_PRE_TAG, DEFAULT_SEARCH_LIMIT, DEFAULT_SEARCH_OFFSET,
 };
 use crate::search_queue::SearchQueue;
 
@@ -56,122 +53,20 @@ pub struct FacetSearchQuery {
     pub locales: Option<Vec<Locale>>,
 }
 
-#[derive(Default)]
-pub struct FacetSearchAggregator {
-    // requests
-    total_received: usize,
-    total_succeeded: usize,
-    time_spent: BinaryHeap<usize>,
-
-    // The set of all facetNames that were used
-    facet_names: HashSet<String>,
-
-    // As there been any other parameter than the facetName or facetQuery ones?
-    additional_search_parameters_provided: bool,
-}
-
-impl FacetSearchAggregator {
-    #[allow(clippy::field_reassign_with_default)]
-    pub fn from_query(query: &FacetSearchQuery) -> Self {
-        let FacetSearchQuery {
-            facet_query: _,
-            facet_name,
-            vector,
-            q,
-            filter,
-            matching_strategy,
-            attributes_to_search_on,
-            hybrid,
-            ranking_score_threshold,
-            locales,
-        } = query;
-
-        Self {
-            total_received: 1,
-            facet_names: Some(facet_name.clone()).into_iter().collect(),
-            additional_search_parameters_provided: q.is_some()
-                || vector.is_some()
-                || filter.is_some()
-                || *matching_strategy != MatchingStrategy::default()
-                || attributes_to_search_on.is_some()
-                || hybrid.is_some()
-                || ranking_score_threshold.is_some()
-                || locales.is_some(),
-            ..Default::default()
-        }
-    }
-
-    pub fn succeed(&mut self, result: &FacetSearchResult) {
-        let FacetSearchResult { facet_hits: _, facet_query: _, processing_time_ms } = result;
-        self.total_succeeded = 1;
-        self.time_spent.push(*processing_time_ms as usize);
-    }
-}
-
-impl Aggregate for FacetSearchAggregator {
-    fn event_name(&self) -> &'static str {
-        "Facet Searched POST"
-    }
-
-    fn aggregate(mut self: Box<Self>, new: Box<Self>) -> Box<Self> {
-        for time in new.time_spent {
-            self.time_spent.push(time);
-        }
-
-        Box::new(Self {
-            total_received: self.total_received.saturating_add(new.total_received),
-            total_succeeded: self.total_succeeded.saturating_add(new.total_succeeded),
-            time_spent: self.time_spent,
-            facet_names: self.facet_names.union(&new.facet_names).cloned().collect(),
-            additional_search_parameters_provided: self.additional_search_parameters_provided
-                | new.additional_search_parameters_provided,
-        })
-    }
-
-    fn into_event(self: Box<Self>) -> serde_json::Value {
-        let Self {
-            total_received,
-            total_succeeded,
-            time_spent,
-            facet_names,
-            additional_search_parameters_provided,
-        } = *self;
-        // the index of the 99th percentage of value
-        let percentile_99th = 0.99 * (total_succeeded as f64 - 1.) + 1.;
-        // we get all the values in a sorted manner
-        let time_spent = time_spent.into_sorted_vec();
-        // We are only interested by the slowest value of the 99th fastest results
-        let time_spent = time_spent.get(percentile_99th as usize);
-
-        serde_json::json!({
-            "requests": {
-                "99th_response_time":  time_spent.map(|t| format!("{:.2}", t)),
-                "total_succeeded": total_succeeded,
-                "total_failed": total_received.saturating_sub(total_succeeded), // just to be sure we never panics
-                "total_received": total_received,
-            },
-            "facets": {
-                "total_distinct_facet_count": facet_names.len(),
-                "additional_search_parameters_provided": additional_search_parameters_provided,
-            },
-        })
-    }
-}
-
 pub async fn search(
     index_scheduler: GuardedData<ActionPolicy<{ actions::SEARCH }>, Data<IndexScheduler>>,
     search_queue: Data<SearchQueue>,
     index_uid: web::Path<String>,
     params: AwebJson<FacetSearchQuery, DeserrJsonError>,
     req: HttpRequest,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let index_uid = IndexUid::try_from(index_uid.into_inner())?;
 
     let query = params.into_inner();
     debug!(parameters = ?query, "Facet search");
 
-    let mut aggregate = FacetSearchAggregator::from_query(&query);
+    let mut aggregate = FacetSearchAggregator::from_query(&query, &req);
 
     let facet_query = query.facet_query.clone();
     let facet_name = query.facet_name.clone();
@@ -205,7 +100,7 @@ pub async fn search(
     if let Ok(ref search_result) = search_result {
         aggregate.succeed(search_result);
     }
-    analytics.publish(aggregate, &req);
+    analytics.post_facet_search(aggregate);
 
     let search_result = search_result?;
 

crates/meilisearch/src/routes/indexes/mod.rs

@@ -1,4 +1,3 @@
-use std::collections::BTreeSet;
 use std::convert::Infallible;
 
 use actix_web::web::Data;
@@ -14,11 +13,12 @@ use meilisearch_types::index_uid::IndexUid;
 use meilisearch_types::milli::{self, FieldDistribution, Index};
 use meilisearch_types::tasks::KindWithContent;
 use serde::Serialize;
+use serde_json::json;
 use time::OffsetDateTime;
 use tracing::debug;
 
 use super::{get_task_id, Pagination, SummarizedTaskView, PAGINATION_DEFAULT_LIMIT};
-use crate::analytics::{Aggregate, Analytics};
+use crate::analytics::Analytics;
 use crate::extractors::authentication::policies::*;
 use crate::extractors::authentication::{AuthenticationError, GuardedData};
 use crate::extractors::sequential_extractor::SeqHandler;
@@ -28,11 +28,8 @@ use crate::Opt;
 pub mod documents;
 pub mod facet_search;
 pub mod search;
-mod search_analytics;
 pub mod settings;
-mod settings_analytics;
 pub mod similar;
-mod similar_analytics;
 
 pub fn configure(cfg: &mut web::ServiceConfig) {
     cfg.service(
@@ -126,31 +123,12 @@ pub struct IndexCreateRequest {
     primary_key: Option<String>,
 }
 
-#[derive(Serialize)]
-struct IndexCreatedAggregate {
-    primary_key: BTreeSet<String>,
-}
-
-impl Aggregate for IndexCreatedAggregate {
-    fn event_name(&self) -> &'static str {
-        "Index Created"
-    }
-
-    fn aggregate(self: Box<Self>, new: Box<Self>) -> Box<Self> {
-        Box::new(Self { primary_key: self.primary_key.union(&new.primary_key).cloned().collect() })
-    }
-
-    fn into_event(self: Box<Self>) -> serde_json::Value {
-        serde_json::to_value(*self).unwrap_or_default()
-    }
-}
-
 pub async fn create_index(
     index_scheduler: GuardedData<ActionPolicy<{ actions::INDEXES_CREATE }>, Data<IndexScheduler>>,
     body: AwebJson<IndexCreateRequest, DeserrJsonError>,
     req: HttpRequest,
     opt: web::Data<Opt>,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     debug!(parameters = ?body, "Create index");
     let IndexCreateRequest { primary_key, uid } = body.into_inner();
@@ -158,8 +136,9 @@ pub async fn create_index(
     let allow_index_creation = index_scheduler.filters().allow_index_creation(&uid);
     if allow_index_creation {
         analytics.publish(
-            IndexCreatedAggregate { primary_key: primary_key.iter().cloned().collect() },
-            &req,
+            "Index Created".to_string(),
+            json!({ "primary_key": primary_key }),
+            Some(&req),
         );
 
         let task = KindWithContent::IndexCreation { index_uid: uid.to_string(), primary_key };
@@ -215,38 +194,21 @@ pub async fn get_index(
     Ok(HttpResponse::Ok().json(index_view))
 }
 
-#[derive(Serialize)]
-struct IndexUpdatedAggregate {
-    primary_key: BTreeSet<String>,
-}
-
-impl Aggregate for IndexUpdatedAggregate {
-    fn event_name(&self) -> &'static str {
-        "Index Updated"
-    }
-
-    fn aggregate(self: Box<Self>, new: Box<Self>) -> Box<Self> {
-        Box::new(Self { primary_key: self.primary_key.union(&new.primary_key).cloned().collect() })
-    }
-
-    fn into_event(self: Box<Self>) -> serde_json::Value {
-        serde_json::to_value(*self).unwrap_or_default()
-    }
-}
 pub async fn update_index(
     index_scheduler: GuardedData<ActionPolicy<{ actions::INDEXES_UPDATE }>, Data<IndexScheduler>>,
     index_uid: web::Path<String>,
     body: AwebJson<UpdateIndexRequest, DeserrJsonError>,
     req: HttpRequest,
     opt: web::Data<Opt>,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     debug!(parameters = ?body, "Update index");
     let index_uid = IndexUid::try_from(index_uid.into_inner())?;
     let body = body.into_inner();
     analytics.publish(
-        IndexUpdatedAggregate { primary_key: body.primary_key.iter().cloned().collect() },
-        &req,
+        "Index Updated".to_string(),
+        json!({ "primary_key": body.primary_key }),
+        Some(&req),
     );
 
     let task = KindWithContent::IndexUpdate {

crates/meilisearch/src/routes/indexes/search.rs

@@ -13,13 +13,12 @@ use meilisearch_types::serde_cs::vec::CS;
 use serde_json::Value;
 use tracing::debug;
 
-use crate::analytics::Analytics;
+use crate::analytics::{Analytics, SearchAggregator};
 use crate::error::MeilisearchHttpError;
 use crate::extractors::authentication::policies::*;
 use crate::extractors::authentication::GuardedData;
 use crate::extractors::sequential_extractor::SeqHandler;
 use crate::metrics::MEILISEARCH_DEGRADED_SEARCH_REQUESTS;
-use crate::routes::indexes::search_analytics::{SearchAggregator, SearchGET, SearchPOST};
 use crate::search::{
     add_search_rules, perform_search, HybridQuery, MatchingStrategy, RankingScoreThreshold,
     RetrieveVectors, SearchKind, SearchQuery, SemanticRatio, DEFAULT_CROP_LENGTH,
@@ -226,7 +225,7 @@ pub async fn search_with_url_query(
     index_uid: web::Path<String>,
     params: AwebQueryParameter<SearchQueryGet, DeserrQueryParamError>,
     req: HttpRequest,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     debug!(parameters = ?params, "Search get");
     let index_uid = IndexUid::try_from(index_uid.into_inner())?;
@@ -238,7 +237,7 @@ pub async fn search_with_url_query(
         add_search_rules(&mut query.filter, search_rules);
     }
 
-    let mut aggregate = SearchAggregator::<SearchGET>::from_query(&query);
+    let mut aggregate = SearchAggregator::from_query(&query, &req);
 
     let index = index_scheduler.index(&index_uid)?;
     let features = index_scheduler.features();
@@ -255,7 +254,7 @@ pub async fn search_with_url_query(
     if let Ok(ref search_result) = search_result {
         aggregate.succeed(search_result);
     }
-    analytics.publish(aggregate, &req);
+    analytics.get_search(aggregate);
 
     let search_result = search_result?;
 
@@ -269,7 +268,7 @@ pub async fn search_with_post(
     index_uid: web::Path<String>,
     params: AwebJson<SearchQuery, DeserrJsonError>,
     req: HttpRequest,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let index_uid = IndexUid::try_from(index_uid.into_inner())?;
 
@@ -281,7 +280,7 @@ pub async fn search_with_post(
         add_search_rules(&mut query.filter, search_rules);
     }
 
-    let mut aggregate = SearchAggregator::<SearchPOST>::from_query(&query);
+    let mut aggregate = SearchAggregator::from_query(&query, &req);
 
     let index = index_scheduler.index(&index_uid)?;
 
@@ -303,7 +302,7 @@ pub async fn search_with_post(
             MEILISEARCH_DEGRADED_SEARCH_REQUESTS.inc();
         }
     }
-    analytics.publish(aggregate, &req);
+    analytics.post_search(aggregate);
 
     let search_result = search_result?;
 

crates/meilisearch/src/routes/indexes/search_analytics.rs

@@ -1,483 +0,0 @@
-use std::collections::{BTreeSet, BinaryHeap, HashMap};
-
-use meilisearch_types::locales::Locale;
-use once_cell::sync::Lazy;
-use regex::Regex;
-use serde_json::{json, Value};
-
-use crate::aggregate_methods;
-use crate::analytics::{Aggregate, AggregateMethod};
-use crate::search::{
-    SearchQuery, SearchResult, DEFAULT_CROP_LENGTH, DEFAULT_CROP_MARKER,
-    DEFAULT_HIGHLIGHT_POST_TAG, DEFAULT_HIGHLIGHT_PRE_TAG, DEFAULT_SEARCH_LIMIT,
-    DEFAULT_SEMANTIC_RATIO,
-};
-
-aggregate_methods!(
-    SearchGET => "Documents Searched GET",
-    SearchPOST => "Documents Searched POST",
-);
-
-#[derive(Default)]
-pub struct SearchAggregator<Method: AggregateMethod> {
-    // requests
-    total_received: usize,
-    total_succeeded: usize,
-    total_degraded: usize,
-    total_used_negative_operator: usize,
-    time_spent: BinaryHeap<usize>,
-
-    // sort
-    sort_with_geo_point: bool,
-    // every time a request has a filter, this field must be incremented by the number of terms it contains
-    sort_sum_of_criteria_terms: usize,
-    // every time a request has a filter, this field must be incremented by one
-    sort_total_number_of_criteria: usize,
-
-    // distinct
-    distinct: bool,
-
-    // filter
-    filter_with_geo_radius: bool,
-    filter_with_geo_bounding_box: bool,
-    // every time a request has a filter, this field must be incremented by the number of terms it contains
-    filter_sum_of_criteria_terms: usize,
-    // every time a request has a filter, this field must be incremented by one
-    filter_total_number_of_criteria: usize,
-    used_syntax: HashMap<String, usize>,
-
-    // attributes_to_search_on
-    // every time a search is done using attributes_to_search_on
-    attributes_to_search_on_total_number_of_uses: usize,
-
-    // q
-    // The maximum number of terms in a q request
-    max_terms_number: usize,
-
-    // vector
-    // The maximum number of floats in a vector request
-    max_vector_size: usize,
-    // Whether the semantic ratio passed to a hybrid search equals the default ratio.
-    semantic_ratio: bool,
-    hybrid: bool,
-    retrieve_vectors: bool,
-
-    // every time a search is done, we increment the counter linked to the used settings
-    matching_strategy: HashMap<String, usize>,
-
-    // List of the unique Locales passed as parameter
-    locales: BTreeSet<Locale>,
-
-    // pagination
-    max_limit: usize,
-    max_offset: usize,
-    finite_pagination: usize,
-
-    // formatting
-    max_attributes_to_retrieve: usize,
-    max_attributes_to_highlight: usize,
-    highlight_pre_tag: bool,
-    highlight_post_tag: bool,
-    max_attributes_to_crop: usize,
-    crop_marker: bool,
-    show_matches_position: bool,
-    crop_length: bool,
-
-    // facets
-    facets_sum_of_terms: usize,
-    facets_total_number_of_facets: usize,
-
-    // scoring
-    show_ranking_score: bool,
-    show_ranking_score_details: bool,
-    ranking_score_threshold: bool,
-
-    marker: std::marker::PhantomData<Method>,
-}
-
-impl<Method: AggregateMethod> SearchAggregator<Method> {
-    #[allow(clippy::field_reassign_with_default)]
-    pub fn from_query(query: &SearchQuery) -> Self {
-        let SearchQuery {
-            q,
-            vector,
-            offset,
-            limit,
-            page,
-            hits_per_page,
-            attributes_to_retrieve: _,
-            retrieve_vectors,
-            attributes_to_crop: _,
-            crop_length,
-            attributes_to_highlight: _,
-            show_matches_position,
-            show_ranking_score,
-            show_ranking_score_details,
-            filter,
-            sort,
-            distinct,
-            facets: _,
-            highlight_pre_tag,
-            highlight_post_tag,
-            crop_marker,
-            matching_strategy,
-            attributes_to_search_on,
-            hybrid,
-            ranking_score_threshold,
-            locales,
-        } = query;
-
-        let mut ret = Self::default();
-
-        ret.total_received = 1;
-
-        if let Some(ref sort) = sort {
-            ret.sort_total_number_of_criteria = 1;
-            ret.sort_with_geo_point = sort.iter().any(|s| s.contains("_geoPoint("));
-            ret.sort_sum_of_criteria_terms = sort.len();
-        }
-
-        ret.distinct = distinct.is_some();
-
-        if let Some(ref filter) = filter {
-            static RE: Lazy<Regex> = Lazy::new(|| Regex::new("AND | OR").unwrap());
-            ret.filter_total_number_of_criteria = 1;
-
-            let syntax = match filter {
-                Value::String(_) => "string".to_string(),
-                Value::Array(values) => {
-                    if values.iter().map(|v| v.to_string()).any(|s| RE.is_match(&s)) {
-                        "mixed".to_string()
-                    } else {
-                        "array".to_string()
-                    }
-                }
-                _ => "none".to_string(),
-            };
-            // convert the string to a HashMap
-            ret.used_syntax.insert(syntax, 1);
-
-            let stringified_filters = filter.to_string();
-            ret.filter_with_geo_radius = stringified_filters.contains("_geoRadius(");
-            ret.filter_with_geo_bounding_box = stringified_filters.contains("_geoBoundingBox(");
-            ret.filter_sum_of_criteria_terms = RE.split(&stringified_filters).count();
-        }
-
-        // attributes_to_search_on
-        if attributes_to_search_on.is_some() {
-            ret.attributes_to_search_on_total_number_of_uses = 1;
-        }
-
-        if let Some(ref q) = q {
-            ret.max_terms_number = q.split_whitespace().count();
-        }
-
-        if let Some(ref vector) = vector {
-            ret.max_vector_size = vector.len();
-        }
-        ret.retrieve_vectors |= retrieve_vectors;
-
-        if query.is_finite_pagination() {
-            let limit = hits_per_page.unwrap_or_else(DEFAULT_SEARCH_LIMIT);
-            ret.max_limit = limit;
-            ret.max_offset = page.unwrap_or(1).saturating_sub(1) * limit;
-            ret.finite_pagination = 1;
-        } else {
-            ret.max_limit = *limit;
-            ret.max_offset = *offset;
-            ret.finite_pagination = 0;
-        }
-
-        ret.matching_strategy.insert(format!("{:?}", matching_strategy), 1);
-
-        if let Some(locales) = locales {
-            ret.locales = locales.iter().copied().collect();
-        }
-
-        ret.highlight_pre_tag = *highlight_pre_tag != DEFAULT_HIGHLIGHT_PRE_TAG();
-        ret.highlight_post_tag = *highlight_post_tag != DEFAULT_HIGHLIGHT_POST_TAG();
-        ret.crop_marker = *crop_marker != DEFAULT_CROP_MARKER();
-        ret.crop_length = *crop_length != DEFAULT_CROP_LENGTH();
-        ret.show_matches_position = *show_matches_position;
-
-        ret.show_ranking_score = *show_ranking_score;
-        ret.show_ranking_score_details = *show_ranking_score_details;
-        ret.ranking_score_threshold = ranking_score_threshold.is_some();
-
-        if let Some(hybrid) = hybrid {
-            ret.semantic_ratio = hybrid.semantic_ratio != DEFAULT_SEMANTIC_RATIO();
-            ret.hybrid = true;
-        }
-
-        ret
-    }
-
-    pub fn succeed(&mut self, result: &SearchResult) {
-        let SearchResult {
-            hits: _,
-            query: _,
-            processing_time_ms,
-            hits_info: _,
-            semantic_hit_count: _,
-            facet_distribution: _,
-            facet_stats: _,
-            degraded,
-            used_negative_operator,
-        } = result;
-
-        self.total_succeeded = self.total_succeeded.saturating_add(1);
-        if *degraded {
-            self.total_degraded = self.total_degraded.saturating_add(1);
-        }
-        if *used_negative_operator {
-            self.total_used_negative_operator = self.total_used_negative_operator.saturating_add(1);
-        }
-        self.time_spent.push(*processing_time_ms as usize);
-    }
-}
-
-impl<Method: AggregateMethod> Aggregate for SearchAggregator<Method> {
-    fn event_name(&self) -> &'static str {
-        Method::event_name()
-    }
-
-    fn aggregate(mut self: Box<Self>, new: Box<Self>) -> Box<Self> {
-        let Self {
-            total_received,
-            total_succeeded,
-            mut time_spent,
-            sort_with_geo_point,
-            sort_sum_of_criteria_terms,
-            sort_total_number_of_criteria,
-            distinct,
-            filter_with_geo_radius,
-            filter_with_geo_bounding_box,
-            filter_sum_of_criteria_terms,
-            filter_total_number_of_criteria,
-            used_syntax,
-            attributes_to_search_on_total_number_of_uses,
-            max_terms_number,
-            max_vector_size,
-            retrieve_vectors,
-            matching_strategy,
-            max_limit,
-            max_offset,
-            finite_pagination,
-            max_attributes_to_retrieve,
-            max_attributes_to_highlight,
-            highlight_pre_tag,
-            highlight_post_tag,
-            max_attributes_to_crop,
-            crop_marker,
-            show_matches_position,
-            crop_length,
-            facets_sum_of_terms,
-            facets_total_number_of_facets,
-            show_ranking_score,
-            show_ranking_score_details,
-            semantic_ratio,
-            hybrid,
-            total_degraded,
-            total_used_negative_operator,
-            ranking_score_threshold,
-            mut locales,
-            marker: _,
-        } = *new;
-
-        // request
-        self.total_received = self.total_received.saturating_add(total_received);
-        self.total_succeeded = self.total_succeeded.saturating_add(total_succeeded);
-        self.total_degraded = self.total_degraded.saturating_add(total_degraded);
-        self.total_used_negative_operator =
-            self.total_used_negative_operator.saturating_add(total_used_negative_operator);
-        self.time_spent.append(&mut time_spent);
-
-        // sort
-        self.sort_with_geo_point |= sort_with_geo_point;
-        self.sort_sum_of_criteria_terms =
-            self.sort_sum_of_criteria_terms.saturating_add(sort_sum_of_criteria_terms);
-        self.sort_total_number_of_criteria =
-            self.sort_total_number_of_criteria.saturating_add(sort_total_number_of_criteria);
-
-        // distinct
-        self.distinct |= distinct;
-
-        // filter
-        self.filter_with_geo_radius |= filter_with_geo_radius;
-        self.filter_with_geo_bounding_box |= filter_with_geo_bounding_box;
-        self.filter_sum_of_criteria_terms =
-            self.filter_sum_of_criteria_terms.saturating_add(filter_sum_of_criteria_terms);
-        self.filter_total_number_of_criteria =
-            self.filter_total_number_of_criteria.saturating_add(filter_total_number_of_criteria);
-        for (key, value) in used_syntax.into_iter() {
-            let used_syntax = self.used_syntax.entry(key).or_insert(0);
-            *used_syntax = used_syntax.saturating_add(value);
-        }
-
-        // attributes_to_search_on
-        self.attributes_to_search_on_total_number_of_uses = self
-            .attributes_to_search_on_total_number_of_uses
-            .saturating_add(attributes_to_search_on_total_number_of_uses);
-
-        // q
-        self.max_terms_number = self.max_terms_number.max(max_terms_number);
-
-        // vector
-        self.max_vector_size = self.max_vector_size.max(max_vector_size);
-        self.retrieve_vectors |= retrieve_vectors;
-        self.semantic_ratio |= semantic_ratio;
-        self.hybrid |= hybrid;
-
-        // pagination
-        self.max_limit = self.max_limit.max(max_limit);
-        self.max_offset = self.max_offset.max(max_offset);
-        self.finite_pagination += finite_pagination;
-
-        // formatting
-        self.max_attributes_to_retrieve =
-            self.max_attributes_to_retrieve.max(max_attributes_to_retrieve);
-        self.max_attributes_to_highlight =
-            self.max_attributes_to_highlight.max(max_attributes_to_highlight);
-        self.highlight_pre_tag |= highlight_pre_tag;
-        self.highlight_post_tag |= highlight_post_tag;
-        self.max_attributes_to_crop = self.max_attributes_to_crop.max(max_attributes_to_crop);
-        self.crop_marker |= crop_marker;
-        self.show_matches_position |= show_matches_position;
-        self.crop_length |= crop_length;
-
-        // facets
-        self.facets_sum_of_terms = self.facets_sum_of_terms.saturating_add(facets_sum_of_terms);
-        self.facets_total_number_of_facets =
-            self.facets_total_number_of_facets.saturating_add(facets_total_number_of_facets);
-
-        // matching strategy
-        for (key, value) in matching_strategy.into_iter() {
-            let matching_strategy = self.matching_strategy.entry(key).or_insert(0);
-            *matching_strategy = matching_strategy.saturating_add(value);
-        }
-
-        // scoring
-        self.show_ranking_score |= show_ranking_score;
-        self.show_ranking_score_details |= show_ranking_score_details;
-        self.ranking_score_threshold |= ranking_score_threshold;
-
-        // locales
-        self.locales.append(&mut locales);
-
-        self
-    }
-
-    fn into_event(self: Box<Self>) -> serde_json::Value {
-        let Self {
-            total_received,
-            total_succeeded,
-            time_spent,
-            sort_with_geo_point,
-            sort_sum_of_criteria_terms,
-            sort_total_number_of_criteria,
-            distinct,
-            filter_with_geo_radius,
-            filter_with_geo_bounding_box,
-            filter_sum_of_criteria_terms,
-            filter_total_number_of_criteria,
-            used_syntax,
-            attributes_to_search_on_total_number_of_uses,
-            max_terms_number,
-            max_vector_size,
-            retrieve_vectors,
-            matching_strategy,
-            max_limit,
-            max_offset,
-            finite_pagination,
-            max_attributes_to_retrieve,
-            max_attributes_to_highlight,
-            highlight_pre_tag,
-            highlight_post_tag,
-            max_attributes_to_crop,
-            crop_marker,
-            show_matches_position,
-            crop_length,
-            facets_sum_of_terms,
-            facets_total_number_of_facets,
-            show_ranking_score,
-            show_ranking_score_details,
-            semantic_ratio,
-            hybrid,
-            total_degraded,
-            total_used_negative_operator,
-            ranking_score_threshold,
-            locales,
-            marker: _,
-        } = *self;
-
-        // we get all the values in a sorted manner
-        let time_spent = time_spent.into_sorted_vec();
-        // the index of the 99th percentage of value
-        let percentile_99th = time_spent.len() * 99 / 100;
-        // We are only interested by the slowest value of the 99th fastest results
-        let time_spent = time_spent.get(percentile_99th);
-
-        json!({
-            "requests": {
-                "99th_response_time": time_spent.map(|t| format!("{:.2}", t)),
-                "total_succeeded": total_succeeded,
-                "total_failed": total_received.saturating_sub(total_succeeded), // just to be sure we never panics
-                "total_received": total_received,
-                "total_degraded": total_degraded,
-                "total_used_negative_operator": total_used_negative_operator,
-            },
-            "sort": {
-                "with_geoPoint": sort_with_geo_point,
-                "avg_criteria_number": format!("{:.2}", sort_sum_of_criteria_terms as f64 / sort_total_number_of_criteria as f64),
-            },
-            "distinct": distinct,
-            "filter": {
-               "with_geoRadius": filter_with_geo_radius,
-               "with_geoBoundingBox": filter_with_geo_bounding_box,
-               "avg_criteria_number": format!("{:.2}", filter_sum_of_criteria_terms as f64 / filter_total_number_of_criteria as f64),
-               "most_used_syntax": used_syntax.iter().max_by_key(|(_, v)| *v).map(|(k, _)| json!(k)).unwrap_or_else(|| json!(null)),
-            },
-            "attributes_to_search_on": {
-               "total_number_of_uses": attributes_to_search_on_total_number_of_uses,
-            },
-            "q": {
-               "max_terms_number": max_terms_number,
-            },
-            "vector": {
-                "max_vector_size": max_vector_size,
-                "retrieve_vectors": retrieve_vectors,
-            },
-            "hybrid": {
-                "enabled": hybrid,
-                "semantic_ratio": semantic_ratio,
-            },
-            "pagination": {
-               "max_limit": max_limit,
-               "max_offset": max_offset,
-               "most_used_navigation": if finite_pagination > (total_received / 2) { "exhaustive" } else { "estimated" },
-            },
-            "formatting": {
-                "max_attributes_to_retrieve": max_attributes_to_retrieve,
-                "max_attributes_to_highlight": max_attributes_to_highlight,
-                "highlight_pre_tag": highlight_pre_tag,
-                "highlight_post_tag": highlight_post_tag,
-                "max_attributes_to_crop": max_attributes_to_crop,
-                "crop_marker": crop_marker,
-                "show_matches_position": show_matches_position,
-                "crop_length": crop_length,
-            },
-            "facets": {
-                "avg_facets_number": format!("{:.2}", facets_sum_of_terms as f64 / facets_total_number_of_facets as f64),
-            },
-            "matching_strategy": {
-                "most_used_strategy": matching_strategy.iter().max_by_key(|(_, v)| *v).map(|(k, _)| json!(k)).unwrap_or_else(|| json!(null)),
-            },
-            "locales": locales,
-            "scoring": {
-                "show_ranking_score": show_ranking_score,
-                "show_ranking_score_details": show_ranking_score_details,
-                "ranking_score_threshold": ranking_score_threshold,
-            },
-        })
-    }
-}

crates/meilisearch/src/routes/indexes/settings.rs

@@ -4,13 +4,14 @@ use deserr::actix_web::AwebJson;
 use index_scheduler::IndexScheduler;
 use meilisearch_types::deserr::DeserrJsonError;
 use meilisearch_types::error::ResponseError;
+use meilisearch_types::facet_values_sort::FacetValuesSort;
 use meilisearch_types::index_uid::IndexUid;
 use meilisearch_types::milli::update::Setting;
-use meilisearch_types::settings::{settings, SecretPolicy, Settings, Unchecked};
+use meilisearch_types::settings::{settings, RankingRuleView, SecretPolicy, Settings, Unchecked};
 use meilisearch_types::tasks::KindWithContent;
+use serde_json::json;
 use tracing::debug;
 
-use super::settings_analytics::*;
 use crate::analytics::Analytics;
 use crate::extractors::authentication::policies::*;
 use crate::extractors::authentication::GuardedData;
@@ -19,7 +20,7 @@ use crate::Opt;
 
 #[macro_export]
 macro_rules! make_setting_route {
-    ($route:literal, $update_verb:ident, $type:ty, $err_ty:ty, $attr:ident, $camelcase_attr:literal, $analytics:ident) => {
+    ($route:literal, $update_verb:ident, $type:ty, $err_ty:ty, $attr:ident, $camelcase_attr:literal, $analytics_var:ident, $analytics:expr) => {
         pub mod $attr {
             use actix_web::web::Data;
             use actix_web::{web, HttpRequest, HttpResponse, Resource};
@@ -79,7 +80,7 @@ macro_rules! make_setting_route {
                 body: deserr::actix_web::AwebJson<Option<$type>, $err_ty>,
                 req: HttpRequest,
                 opt: web::Data<Opt>,
-                analytics: web::Data<Analytics>,
+                $analytics_var: web::Data<dyn Analytics>,
             ) -> std::result::Result<HttpResponse, ResponseError> {
                 let index_uid = IndexUid::try_from(index_uid.into_inner())?;
 
@@ -87,10 +88,7 @@ macro_rules! make_setting_route {
                 debug!(parameters = ?body, "Update settings");
 
                 #[allow(clippy::redundant_closure_call)]
-                analytics.publish(
-                    $crate::routes::indexes::settings_analytics::$analytics::new(body.as_ref()).into_settings(),
-                    &req,
-                );
+                $analytics(&body, &req);
 
                 let new_settings = Settings {
                     $attr: match body {
@@ -162,7 +160,21 @@ make_setting_route!(
     >,
     filterable_attributes,
     "filterableAttributes",
-    FilterableAttributesAnalytics
+    analytics,
+    |setting: &Option<std::collections::BTreeSet<String>>, req: &HttpRequest| {
+        use serde_json::json;
+
+        analytics.publish(
+            "FilterableAttributes Updated".to_string(),
+            json!({
+                "filterable_attributes": {
+                    "total": setting.as_ref().map(|filter| filter.len()).unwrap_or(0),
+                    "has_geo": setting.as_ref().map(|filter| filter.contains("_geo")).unwrap_or(false),
+                }
+            }),
+            Some(req),
+        );
+    }
 );
 
 make_setting_route!(
@@ -174,7 +186,21 @@ make_setting_route!(
     >,
     sortable_attributes,
     "sortableAttributes",
-    SortableAttributesAnalytics
+    analytics,
+    |setting: &Option<std::collections::BTreeSet<String>>, req: &HttpRequest| {
+        use serde_json::json;
+
+        analytics.publish(
+            "SortableAttributes Updated".to_string(),
+            json!({
+                "sortable_attributes": {
+                    "total": setting.as_ref().map(|sort| sort.len()),
+                    "has_geo": setting.as_ref().map(|sort| sort.contains("_geo")),
+                },
+            }),
+            Some(req),
+        );
+    }
 );
 
 make_setting_route!(
@@ -186,7 +212,21 @@ make_setting_route!(
     >,
     displayed_attributes,
     "displayedAttributes",
-    DisplayedAttributesAnalytics
+    analytics,
+    |displayed: &Option<Vec<String>>, req: &HttpRequest| {
+        use serde_json::json;
+
+        analytics.publish(
+            "DisplayedAttributes Updated".to_string(),
+            json!({
+                "displayed_attributes": {
+                    "total": displayed.as_ref().map(|displayed| displayed.len()),
+                    "with_wildcard": displayed.as_ref().map(|displayed| displayed.iter().any(|displayed| displayed == "*")),
+                },
+            }),
+            Some(req),
+        );
+    }
 );
 
 make_setting_route!(
@@ -198,7 +238,40 @@ make_setting_route!(
     >,
     typo_tolerance,
     "typoTolerance",
-    TypoToleranceAnalytics
+    analytics,
+    |setting: &Option<meilisearch_types::settings::TypoSettings>, req: &HttpRequest| {
+        use serde_json::json;
+
+        analytics.publish(
+            "TypoTolerance Updated".to_string(),
+            json!({
+                "typo_tolerance": {
+                    "enabled": setting.as_ref().map(|s| !matches!(s.enabled, Setting::Set(false))),
+                    "disable_on_attributes": setting
+                        .as_ref()
+                        .and_then(|s| s.disable_on_attributes.as_ref().set().map(|m| !m.is_empty())),
+                    "disable_on_words": setting
+                        .as_ref()
+                        .and_then(|s| s.disable_on_words.as_ref().set().map(|m| !m.is_empty())),
+                    "min_word_size_for_one_typo": setting
+                        .as_ref()
+                        .and_then(|s| s.min_word_size_for_typos
+                            .as_ref()
+                            .set()
+                            .map(|s| s.one_typo.set()))
+                        .flatten(),
+                    "min_word_size_for_two_typos": setting
+                        .as_ref()
+                        .and_then(|s| s.min_word_size_for_typos
+                            .as_ref()
+                            .set()
+                            .map(|s| s.two_typos.set()))
+                        .flatten(),
+                },
+            }),
+            Some(req),
+        );
+    }
 );
 
 make_setting_route!(
@@ -210,7 +283,21 @@ make_setting_route!(
     >,
     searchable_attributes,
     "searchableAttributes",
-    SearchableAttributesAnalytics
+    analytics,
+    |setting: &Option<Vec<String>>, req: &HttpRequest| {
+        use serde_json::json;
+
+        analytics.publish(
+            "SearchableAttributes Updated".to_string(),
+            json!({
+                "searchable_attributes": {
+                    "total": setting.as_ref().map(|searchable| searchable.len()),
+                    "with_wildcard": setting.as_ref().map(|searchable| searchable.iter().any(|searchable| searchable == "*")),
+                },
+            }),
+            Some(req),
+        );
+    }
 );
 
 make_setting_route!(
@@ -222,7 +309,20 @@ make_setting_route!(
     >,
     stop_words,
     "stopWords",
-    StopWordsAnalytics
+    analytics,
+    |stop_words: &Option<std::collections::BTreeSet<String>>, req: &HttpRequest| {
+        use serde_json::json;
+
+        analytics.publish(
+            "StopWords Updated".to_string(),
+            json!({
+                "stop_words": {
+                    "total": stop_words.as_ref().map(|stop_words| stop_words.len()),
+                },
+            }),
+            Some(req),
+        );
+    }
 );
 
 make_setting_route!(
@@ -234,7 +334,20 @@ make_setting_route!(
     >,
     non_separator_tokens,
     "nonSeparatorTokens",
-    NonSeparatorTokensAnalytics
+    analytics,
+    |non_separator_tokens: &Option<std::collections::BTreeSet<String>>, req: &HttpRequest| {
+        use serde_json::json;
+
+        analytics.publish(
+            "nonSeparatorTokens Updated".to_string(),
+            json!({
+                "non_separator_tokens": {
+                    "total": non_separator_tokens.as_ref().map(|non_separator_tokens| non_separator_tokens.len()),
+                },
+            }),
+            Some(req),
+        );
+    }
 );
 
 make_setting_route!(
@@ -246,7 +359,20 @@ make_setting_route!(
     >,
     separator_tokens,
     "separatorTokens",
-    SeparatorTokensAnalytics
+    analytics,
+    |separator_tokens: &Option<std::collections::BTreeSet<String>>, req: &HttpRequest| {
+        use serde_json::json;
+
+        analytics.publish(
+            "separatorTokens Updated".to_string(),
+            json!({
+                "separator_tokens": {
+                    "total": separator_tokens.as_ref().map(|separator_tokens| separator_tokens.len()),
+                },
+            }),
+            Some(req),
+        );
+    }
 );
 
 make_setting_route!(
@@ -258,7 +384,20 @@ make_setting_route!(
     >,
     dictionary,
     "dictionary",
-    DictionaryAnalytics
+    analytics,
+    |dictionary: &Option<std::collections::BTreeSet<String>>, req: &HttpRequest| {
+        use serde_json::json;
+
+        analytics.publish(
+            "dictionary Updated".to_string(),
+            json!({
+                "dictionary": {
+                    "total": dictionary.as_ref().map(|dictionary| dictionary.len()),
+                },
+            }),
+            Some(req),
+        );
+    }
 );
 
 make_setting_route!(
@@ -270,7 +409,20 @@ make_setting_route!(
     >,
     synonyms,
     "synonyms",
-    SynonymsAnalytics
+    analytics,
+    |synonyms: &Option<std::collections::BTreeMap<String, Vec<String>>>, req: &HttpRequest| {
+        use serde_json::json;
+
+        analytics.publish(
+            "Synonyms Updated".to_string(),
+            json!({
+                "synonyms": {
+                    "total": synonyms.as_ref().map(|synonyms| synonyms.len()),
+                },
+            }),
+            Some(req),
+        );
+    }
 );
 
 make_setting_route!(
@@ -282,7 +434,19 @@ make_setting_route!(
     >,
     distinct_attribute,
     "distinctAttribute",
-    DistinctAttributeAnalytics
+    analytics,
+    |distinct: &Option<String>, req: &HttpRequest| {
+        use serde_json::json;
+        analytics.publish(
+            "DistinctAttribute Updated".to_string(),
+            json!({
+                "distinct_attribute": {
+                    "set": distinct.is_some(),
+                }
+            }),
+            Some(req),
+        );
+    }
 );
 
 make_setting_route!(
@@ -294,7 +458,20 @@ make_setting_route!(
     >,
     proximity_precision,
     "proximityPrecision",
-    ProximityPrecisionAnalytics
+    analytics,
+    |precision: &Option<meilisearch_types::settings::ProximityPrecisionView>, req: &HttpRequest| {
+        use serde_json::json;
+        analytics.publish(
+            "ProximityPrecision Updated".to_string(),
+            json!({
+                "proximity_precision": {
+                    "set": precision.is_some(),
+                    "value": precision.unwrap_or_default(),
+                }
+            }),
+            Some(req),
+        );
+    }
 );
 
 make_setting_route!(
@@ -306,7 +483,17 @@ make_setting_route!(
     >,
     localized_attributes,
     "localizedAttributes",
-    LocalesAnalytics
+    analytics,
+    |rules: &Option<Vec<meilisearch_types::locales::LocalizedAttributesRuleView>>, req: &HttpRequest| {
+        use serde_json::json;
+        analytics.publish(
+            "LocalizedAttributesRules Updated".to_string(),
+            json!({
+                "locales": rules.as_ref().map(|rules| rules.iter().flat_map(|rule| rule.locales.iter().cloned()).collect::<std::collections::BTreeSet<_>>())
+            }),
+            Some(req),
+        );
+    }
 );
 
 make_setting_route!(
@@ -318,7 +505,26 @@ make_setting_route!(
     >,
     ranking_rules,
     "rankingRules",
-    RankingRulesAnalytics
+    analytics,
+    |setting: &Option<Vec<meilisearch_types::settings::RankingRuleView>>, req: &HttpRequest| {
+        use serde_json::json;
+
+        analytics.publish(
+            "RankingRules Updated".to_string(),
+            json!({
+                "ranking_rules": {
+                    "words_position": setting.as_ref().map(|rr| rr.iter().position(|s| matches!(s, meilisearch_types::settings::RankingRuleView::Words))),
+                    "typo_position": setting.as_ref().map(|rr| rr.iter().position(|s| matches!(s, meilisearch_types::settings::RankingRuleView::Typo))),
+                    "proximity_position": setting.as_ref().map(|rr| rr.iter().position(|s| matches!(s, meilisearch_types::settings::RankingRuleView::Proximity))),
+                    "attribute_position": setting.as_ref().map(|rr| rr.iter().position(|s| matches!(s, meilisearch_types::settings::RankingRuleView::Attribute))),
+                    "sort_position": setting.as_ref().map(|rr| rr.iter().position(|s| matches!(s, meilisearch_types::settings::RankingRuleView::Sort))),
+                    "exactness_position": setting.as_ref().map(|rr| rr.iter().position(|s| matches!(s, meilisearch_types::settings::RankingRuleView::Exactness))),
+                    "values": setting.as_ref().map(|rr| rr.iter().filter(|s| matches!(s, meilisearch_types::settings::RankingRuleView::Asc(_) | meilisearch_types::settings::RankingRuleView::Desc(_)) ).map(|x| x.to_string()).collect::<Vec<_>>().join(", ")),
+                }
+            }),
+            Some(req),
+        );
+    }
 );
 
 make_setting_route!(
@@ -330,7 +536,25 @@ make_setting_route!(
     >,
     faceting,
     "faceting",
-    FacetingAnalytics
+    analytics,
+    |setting: &Option<meilisearch_types::settings::FacetingSettings>, req: &HttpRequest| {
+        use serde_json::json;
+        use meilisearch_types::facet_values_sort::FacetValuesSort;
+
+        analytics.publish(
+            "Faceting Updated".to_string(),
+            json!({
+                "faceting": {
+                    "max_values_per_facet": setting.as_ref().and_then(|s| s.max_values_per_facet.set()),
+                    "sort_facet_values_by_star_count": setting.as_ref().and_then(|s| {
+                        s.sort_facet_values_by.as_ref().set().map(|s| s.iter().any(|(k, v)| k == "*" && v == &FacetValuesSort::Count))
+                    }),
+                    "sort_facet_values_by_total": setting.as_ref().and_then(|s| s.sort_facet_values_by.as_ref().set().map(|s| s.len())),
+                },
+            }),
+            Some(req),
+        );
+    }
 );
 
 make_setting_route!(
@@ -342,7 +566,20 @@ make_setting_route!(
     >,
     pagination,
     "pagination",
-    PaginationAnalytics
+    analytics,
+    |setting: &Option<meilisearch_types::settings::PaginationSettings>, req: &HttpRequest| {
+        use serde_json::json;
+
+        analytics.publish(
+            "Pagination Updated".to_string(),
+            json!({
+                "pagination": {
+                    "max_total_hits": setting.as_ref().and_then(|s| s.max_total_hits.set()),
+                },
+            }),
+            Some(req),
+        );
+    }
 );
 
 make_setting_route!(
@@ -354,9 +591,75 @@ make_setting_route!(
     >,
     embedders,
     "embedders",
-    EmbeddersAnalytics
+    analytics,
+    |setting: &Option<std::collections::BTreeMap<String, Setting<meilisearch_types::milli::vector::settings::EmbeddingSettings>>>, req: &HttpRequest| {
+
+
+        analytics.publish(
+            "Embedders Updated".to_string(),
+            serde_json::json!({"embedders": crate::routes::indexes::settings::embedder_analytics(setting.as_ref())}),
+            Some(req),
+        );
+    }
 );
 
+fn embedder_analytics(
+    setting: Option<
+        &std::collections::BTreeMap<
+            String,
+            Setting<meilisearch_types::milli::vector::settings::EmbeddingSettings>,
+        >,
+    >,
+) -> serde_json::Value {
+    let mut sources = std::collections::HashSet::new();
+
+    if let Some(s) = &setting {
+        for source in s
+            .values()
+            .filter_map(|config| config.clone().set())
+            .filter_map(|config| config.source.set())
+        {
+            use meilisearch_types::milli::vector::settings::EmbedderSource;
+            match source {
+                EmbedderSource::OpenAi => sources.insert("openAi"),
+                EmbedderSource::HuggingFace => sources.insert("huggingFace"),
+                EmbedderSource::UserProvided => sources.insert("userProvided"),
+                EmbedderSource::Ollama => sources.insert("ollama"),
+                EmbedderSource::Rest => sources.insert("rest"),
+            };
+        }
+    };
+
+    let document_template_used = setting.as_ref().map(|map| {
+        map.values()
+            .filter_map(|config| config.clone().set())
+            .any(|config| config.document_template.set().is_some())
+    });
+
+    let document_template_max_bytes = setting.as_ref().and_then(|map| {
+        map.values()
+            .filter_map(|config| config.clone().set())
+            .filter_map(|config| config.document_template_max_bytes.set())
+            .max()
+    });
+
+    let binary_quantization_used = setting.as_ref().map(|map| {
+        map.values()
+            .filter_map(|config| config.clone().set())
+            .any(|config| config.binary_quantized.set().is_some())
+    });
+
+    json!(
+        {
+            "total": setting.as_ref().map(|s| s.len()),
+            "sources": sources,
+            "document_template_used": document_template_used,
+            "document_template_max_bytes": document_template_max_bytes,
+            "binary_quantization_used": binary_quantization_used,
+        }
+    )
+}
+
 make_setting_route!(
     "/search-cutoff-ms",
     put,
@@ -366,7 +669,14 @@ make_setting_route!(
     >,
     search_cutoff_ms,
     "searchCutoffMs",
-    SearchCutoffMsAnalytics
+    analytics,
+    |setting: &Option<u64>, req: &HttpRequest| {
+        analytics.publish(
+            "Search Cutoff Updated".to_string(),
+            serde_json::json!({"search_cutoff_ms": setting }),
+            Some(req),
+        );
+    }
 );
 
 macro_rules! generate_configure {
@@ -410,7 +720,7 @@ pub async fn update_all(
     body: AwebJson<Settings<Unchecked>, DeserrJsonError>,
     req: HttpRequest,
     opt: web::Data<Opt>,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let index_uid = IndexUid::try_from(index_uid.into_inner())?;
 
@@ -419,45 +729,104 @@ pub async fn update_all(
     let new_settings = validate_settings(new_settings, &index_scheduler)?;
 
     analytics.publish(
-        SettingsAnalytics {
-            ranking_rules: RankingRulesAnalytics::new(new_settings.ranking_rules.as_ref().set()),
-            searchable_attributes: SearchableAttributesAnalytics::new(
-                new_settings.searchable_attributes.as_ref().set(),
-            ),
-            displayed_attributes: DisplayedAttributesAnalytics::new(
-                new_settings.displayed_attributes.as_ref().set(),
-            ),
-            sortable_attributes: SortableAttributesAnalytics::new(
-                new_settings.sortable_attributes.as_ref().set(),
-            ),
-            filterable_attributes: FilterableAttributesAnalytics::new(
-                new_settings.filterable_attributes.as_ref().set(),
-            ),
-            distinct_attribute: DistinctAttributeAnalytics::new(
-                new_settings.distinct_attribute.as_ref().set(),
-            ),
-            proximity_precision: ProximityPrecisionAnalytics::new(
-                new_settings.proximity_precision.as_ref().set(),
-            ),
-            typo_tolerance: TypoToleranceAnalytics::new(new_settings.typo_tolerance.as_ref().set()),
-            faceting: FacetingAnalytics::new(new_settings.faceting.as_ref().set()),
-            pagination: PaginationAnalytics::new(new_settings.pagination.as_ref().set()),
-            stop_words: StopWordsAnalytics::new(new_settings.stop_words.as_ref().set()),
-            synonyms: SynonymsAnalytics::new(new_settings.synonyms.as_ref().set()),
-            embedders: EmbeddersAnalytics::new(new_settings.embedders.as_ref().set()),
-            search_cutoff_ms: SearchCutoffMsAnalytics::new(
-                new_settings.search_cutoff_ms.as_ref().set(),
-            ),
-            locales: LocalesAnalytics::new(new_settings.localized_attributes.as_ref().set()),
-            dictionary: DictionaryAnalytics::new(new_settings.dictionary.as_ref().set()),
-            separator_tokens: SeparatorTokensAnalytics::new(
-                new_settings.separator_tokens.as_ref().set(),
-            ),
-            non_separator_tokens: NonSeparatorTokensAnalytics::new(
-                new_settings.non_separator_tokens.as_ref().set(),
-            ),
-        },
-        &req,
+        "Settings Updated".to_string(),
+        json!({
+           "ranking_rules": {
+                "words_position": new_settings.ranking_rules.as_ref().set().map(|rr| rr.iter().position(|s| matches!(s, RankingRuleView::Words))),
+                "typo_position": new_settings.ranking_rules.as_ref().set().map(|rr| rr.iter().position(|s| matches!(s, RankingRuleView::Typo))),
+                "proximity_position": new_settings.ranking_rules.as_ref().set().map(|rr| rr.iter().position(|s| matches!(s, RankingRuleView::Proximity))),
+                "attribute_position": new_settings.ranking_rules.as_ref().set().map(|rr| rr.iter().position(|s| matches!(s, RankingRuleView::Attribute))),
+                "sort_position": new_settings.ranking_rules.as_ref().set().map(|rr| rr.iter().position(|s| matches!(s, RankingRuleView::Sort))),
+                "exactness_position": new_settings.ranking_rules.as_ref().set().map(|rr| rr.iter().position(|s| matches!(s, RankingRuleView::Exactness))),
+                "values": new_settings.ranking_rules.as_ref().set().map(|rr| rr.iter().filter(|s| !matches!(s, RankingRuleView::Asc(_) | RankingRuleView::Desc(_)) ).map(|x| x.to_string()).collect::<Vec<_>>().join(", ")),
+            },
+            "searchable_attributes": {
+                "total": new_settings.searchable_attributes.as_ref().set().map(|searchable| searchable.len()),
+                "with_wildcard": new_settings.searchable_attributes.as_ref().set().map(|searchable| searchable.iter().any(|searchable| searchable == "*")),
+            },
+            "displayed_attributes": {
+                "total": new_settings.displayed_attributes.as_ref().set().map(|displayed| displayed.len()),
+                "with_wildcard": new_settings.displayed_attributes.as_ref().set().map(|displayed| displayed.iter().any(|displayed| displayed == "*")),
+            },
+           "sortable_attributes": {
+                "total": new_settings.sortable_attributes.as_ref().set().map(|sort| sort.len()),
+                "has_geo": new_settings.sortable_attributes.as_ref().set().map(|sort| sort.iter().any(|s| s == "_geo")),
+            },
+           "filterable_attributes": {
+                "total": new_settings.filterable_attributes.as_ref().set().map(|filter| filter.len()),
+                "has_geo": new_settings.filterable_attributes.as_ref().set().map(|filter| filter.iter().any(|s| s == "_geo")),
+            },
+            "distinct_attribute": {
+                "set": new_settings.distinct_attribute.as_ref().set().is_some()
+            },
+            "proximity_precision": {
+                "set": new_settings.proximity_precision.as_ref().set().is_some(),
+                "value": new_settings.proximity_precision.as_ref().set().copied().unwrap_or_default()
+            },
+            "typo_tolerance": {
+                "enabled": new_settings.typo_tolerance
+                    .as_ref()
+                    .set()
+                    .and_then(|s| s.enabled.as_ref().set())
+                    .copied(),
+                "disable_on_attributes": new_settings.typo_tolerance
+                    .as_ref()
+                    .set()
+                    .and_then(|s| s.disable_on_attributes.as_ref().set().map(|m| !m.is_empty())),
+                "disable_on_words": new_settings.typo_tolerance
+                    .as_ref()
+                    .set()
+                    .and_then(|s| s.disable_on_words.as_ref().set().map(|m| !m.is_empty())),
+                "min_word_size_for_one_typo": new_settings.typo_tolerance
+                    .as_ref()
+                    .set()
+                    .and_then(|s| s.min_word_size_for_typos
+                        .as_ref()
+                        .set()
+                        .map(|s| s.one_typo.set()))
+                    .flatten(),
+                "min_word_size_for_two_typos": new_settings.typo_tolerance
+                    .as_ref()
+                    .set()
+                    .and_then(|s| s.min_word_size_for_typos
+                        .as_ref()
+                        .set()
+                        .map(|s| s.two_typos.set()))
+                    .flatten(),
+            },
+            "faceting": {
+                "max_values_per_facet": new_settings.faceting
+                    .as_ref()
+                    .set()
+                    .and_then(|s| s.max_values_per_facet.as_ref().set()),
+                "sort_facet_values_by_star_count": new_settings.faceting
+                    .as_ref()
+                    .set()
+                    .and_then(|s| {
+                        s.sort_facet_values_by.as_ref().set().map(|s| s.iter().any(|(k, v)| k == "*" && v == &FacetValuesSort::Count))
+                    }),
+                "sort_facet_values_by_total": new_settings.faceting
+                    .as_ref()
+                    .set()
+                    .and_then(|s| s.sort_facet_values_by.as_ref().set().map(|s| s.len())),
+            },
+            "pagination": {
+                "max_total_hits": new_settings.pagination
+                    .as_ref()
+                    .set()
+                    .and_then(|s| s.max_total_hits.as_ref().set()),
+            },
+            "stop_words": {
+                "total": new_settings.stop_words.as_ref().set().map(|stop_words| stop_words.len()),
+            },
+            "synonyms": {
+                "total": new_settings.synonyms.as_ref().set().map(|synonyms| synonyms.len()),
+            },
+            "embedders": crate::routes::indexes::settings::embedder_analytics(new_settings.embedders.as_ref().set()),
+            "search_cutoff_ms": new_settings.search_cutoff_ms.as_ref().set(),
+            "locales": new_settings.localized_attributes.as_ref().set().map(|rules| rules.iter().flat_map(|rule| rule.locales.iter().cloned()).collect::<std::collections::BTreeSet<_>>()),
+        }),
+        Some(&req),
     );
 
     let allow_index_creation = index_scheduler.filters().allow_index_creation(&index_uid);

crates/meilisearch/src/routes/indexes/settings_analytics.rs

@@ -1,622 +0,0 @@
-//! All the structures used to make the analytics on the settings works.
-//! The signatures of the `new` functions are not very rust idiomatic because they must match the types received
-//! through the sub-settings route directly without any manipulation.
-//! This is why we often use a `Option<&Vec<_>>` instead of a `Option<&[_]>`.
-
-use std::collections::{BTreeMap, BTreeSet, HashSet};
-
-use meilisearch_types::facet_values_sort::FacetValuesSort;
-use meilisearch_types::locales::{Locale, LocalizedAttributesRuleView};
-use meilisearch_types::milli::update::Setting;
-use meilisearch_types::milli::vector::settings::EmbeddingSettings;
-use meilisearch_types::settings::{
-    FacetingSettings, PaginationSettings, ProximityPrecisionView, RankingRuleView, TypoSettings,
-};
-use serde::Serialize;
-
-use crate::analytics::Aggregate;
-
-#[derive(Serialize, Default)]
-pub struct SettingsAnalytics {
-    pub ranking_rules: RankingRulesAnalytics,
-    pub searchable_attributes: SearchableAttributesAnalytics,
-    pub displayed_attributes: DisplayedAttributesAnalytics,
-    pub sortable_attributes: SortableAttributesAnalytics,
-    pub filterable_attributes: FilterableAttributesAnalytics,
-    pub distinct_attribute: DistinctAttributeAnalytics,
-    pub proximity_precision: ProximityPrecisionAnalytics,
-    pub typo_tolerance: TypoToleranceAnalytics,
-    pub faceting: FacetingAnalytics,
-    pub pagination: PaginationAnalytics,
-    pub stop_words: StopWordsAnalytics,
-    pub synonyms: SynonymsAnalytics,
-    pub embedders: EmbeddersAnalytics,
-    pub search_cutoff_ms: SearchCutoffMsAnalytics,
-    pub locales: LocalesAnalytics,
-    pub dictionary: DictionaryAnalytics,
-    pub separator_tokens: SeparatorTokensAnalytics,
-    pub non_separator_tokens: NonSeparatorTokensAnalytics,
-}
-
-impl Aggregate for SettingsAnalytics {
-    fn event_name(&self) -> &'static str {
-        "Settings Updated"
-    }
-
-    fn aggregate(self: Box<Self>, new: Box<Self>) -> Box<Self> {
-        Box::new(Self {
-            ranking_rules: RankingRulesAnalytics {
-                words_position: new
-                    .ranking_rules
-                    .words_position
-                    .or(self.ranking_rules.words_position),
-                typo_position: new.ranking_rules.typo_position.or(self.ranking_rules.typo_position),
-                proximity_position: new
-                    .ranking_rules
-                    .proximity_position
-                    .or(self.ranking_rules.proximity_position),
-                attribute_position: new
-                    .ranking_rules
-                    .attribute_position
-                    .or(self.ranking_rules.attribute_position),
-                sort_position: new.ranking_rules.sort_position.or(self.ranking_rules.sort_position),
-                exactness_position: new
-                    .ranking_rules
-                    .exactness_position
-                    .or(self.ranking_rules.exactness_position),
-                values: new.ranking_rules.values.or(self.ranking_rules.values),
-            },
-            searchable_attributes: SearchableAttributesAnalytics {
-                total: new.searchable_attributes.total.or(self.searchable_attributes.total),
-                with_wildcard: new
-                    .searchable_attributes
-                    .with_wildcard
-                    .or(self.searchable_attributes.with_wildcard),
-            },
-            displayed_attributes: DisplayedAttributesAnalytics {
-                total: new.displayed_attributes.total.or(self.displayed_attributes.total),
-                with_wildcard: new
-                    .displayed_attributes
-                    .with_wildcard
-                    .or(self.displayed_attributes.with_wildcard),
-            },
-            sortable_attributes: SortableAttributesAnalytics {
-                total: new.sortable_attributes.total.or(self.sortable_attributes.total),
-                has_geo: new.sortable_attributes.has_geo.or(self.sortable_attributes.has_geo),
-            },
-            filterable_attributes: FilterableAttributesAnalytics {
-                total: new.filterable_attributes.total.or(self.filterable_attributes.total),
-                has_geo: new.filterable_attributes.has_geo.or(self.filterable_attributes.has_geo),
-            },
-            distinct_attribute: DistinctAttributeAnalytics {
-                set: self.distinct_attribute.set | new.distinct_attribute.set,
-            },
-            proximity_precision: ProximityPrecisionAnalytics {
-                set: self.proximity_precision.set | new.proximity_precision.set,
-                value: new.proximity_precision.value.or(self.proximity_precision.value),
-            },
-            typo_tolerance: TypoToleranceAnalytics {
-                enabled: new.typo_tolerance.enabled.or(self.typo_tolerance.enabled),
-                disable_on_attributes: new
-                    .typo_tolerance
-                    .disable_on_attributes
-                    .or(self.typo_tolerance.disable_on_attributes),
-                disable_on_words: new
-                    .typo_tolerance
-                    .disable_on_words
-                    .or(self.typo_tolerance.disable_on_words),
-                min_word_size_for_one_typo: new
-                    .typo_tolerance
-                    .min_word_size_for_one_typo
-                    .or(self.typo_tolerance.min_word_size_for_one_typo),
-                min_word_size_for_two_typos: new
-                    .typo_tolerance
-                    .min_word_size_for_two_typos
-                    .or(self.typo_tolerance.min_word_size_for_two_typos),
-            },
-            faceting: FacetingAnalytics {
-                max_values_per_facet: new
-                    .faceting
-                    .max_values_per_facet
-                    .or(self.faceting.max_values_per_facet),
-                sort_facet_values_by_star_count: new
-                    .faceting
-                    .sort_facet_values_by_star_count
-                    .or(self.faceting.sort_facet_values_by_star_count),
-                sort_facet_values_by_total: new
-                    .faceting
-                    .sort_facet_values_by_total
-                    .or(self.faceting.sort_facet_values_by_total),
-            },
-            pagination: PaginationAnalytics {
-                max_total_hits: new.pagination.max_total_hits.or(self.pagination.max_total_hits),
-            },
-            stop_words: StopWordsAnalytics {
-                total: new.stop_words.total.or(self.stop_words.total),
-            },
-            synonyms: SynonymsAnalytics { total: new.synonyms.total.or(self.synonyms.total) },
-            embedders: EmbeddersAnalytics {
-                total: new.embedders.total.or(self.embedders.total),
-                sources: match (self.embedders.sources, new.embedders.sources) {
-                    (None, None) => None,
-                    (Some(sources), None) | (None, Some(sources)) => Some(sources),
-                    (Some(this), Some(other)) => Some(this.union(&other).cloned().collect()),
-                },
-                document_template_used: match (
-                    self.embedders.document_template_used,
-                    new.embedders.document_template_used,
-                ) {
-                    (None, None) => None,
-                    (Some(used), None) | (None, Some(used)) => Some(used),
-                    (Some(this), Some(other)) => Some(this | other),
-                },
-                document_template_max_bytes: match (
-                    self.embedders.document_template_max_bytes,
-                    new.embedders.document_template_max_bytes,
-                ) {
-                    (None, None) => None,
-                    (Some(bytes), None) | (None, Some(bytes)) => Some(bytes),
-                    (Some(this), Some(other)) => Some(this.max(other)),
-                },
-                binary_quantization_used: match (
-                    self.embedders.binary_quantization_used,
-                    new.embedders.binary_quantization_used,
-                ) {
-                    (None, None) => None,
-                    (Some(bq), None) | (None, Some(bq)) => Some(bq),
-                    (Some(this), Some(other)) => Some(this | other),
-                },
-            },
-            search_cutoff_ms: SearchCutoffMsAnalytics {
-                search_cutoff_ms: new
-                    .search_cutoff_ms
-                    .search_cutoff_ms
-                    .or(self.search_cutoff_ms.search_cutoff_ms),
-            },
-            locales: LocalesAnalytics { locales: new.locales.locales.or(self.locales.locales) },
-            dictionary: DictionaryAnalytics {
-                total: new.dictionary.total.or(self.dictionary.total),
-            },
-            separator_tokens: SeparatorTokensAnalytics {
-                total: new.non_separator_tokens.total.or(self.separator_tokens.total),
-            },
-            non_separator_tokens: NonSeparatorTokensAnalytics {
-                total: new.non_separator_tokens.total.or(self.non_separator_tokens.total),
-            },
-        })
-    }
-
-    fn into_event(self: Box<Self>) -> serde_json::Value {
-        serde_json::to_value(*self).unwrap_or_default()
-    }
-}
-
-#[derive(Serialize, Default)]
-pub struct RankingRulesAnalytics {
-    pub words_position: Option<usize>,
-    pub typo_position: Option<usize>,
-    pub proximity_position: Option<usize>,
-    pub attribute_position: Option<usize>,
-    pub sort_position: Option<usize>,
-    pub exactness_position: Option<usize>,
-    pub values: Option<String>,
-}
-
-impl RankingRulesAnalytics {
-    pub fn new(rr: Option<&Vec<RankingRuleView>>) -> Self {
-        RankingRulesAnalytics {
-            words_position: rr.as_ref().and_then(|rr| {
-                rr.iter()
-                    .position(|s| matches!(s, meilisearch_types::settings::RankingRuleView::Words))
-            }),
-            typo_position: rr.as_ref().and_then(|rr| {
-                rr.iter()
-                    .position(|s| matches!(s, meilisearch_types::settings::RankingRuleView::Typo))
-            }),
-            proximity_position: rr.as_ref().and_then(|rr| {
-                rr.iter().position(|s| {
-                    matches!(s, meilisearch_types::settings::RankingRuleView::Proximity)
-                })
-            }),
-            attribute_position: rr.as_ref().and_then(|rr| {
-                rr.iter().position(|s| {
-                    matches!(s, meilisearch_types::settings::RankingRuleView::Attribute)
-                })
-            }),
-            sort_position: rr.as_ref().and_then(|rr| {
-                rr.iter()
-                    .position(|s| matches!(s, meilisearch_types::settings::RankingRuleView::Sort))
-            }),
-            exactness_position: rr.as_ref().and_then(|rr| {
-                rr.iter().position(|s| {
-                    matches!(s, meilisearch_types::settings::RankingRuleView::Exactness)
-                })
-            }),
-            values: rr.as_ref().map(|rr| {
-                rr.iter()
-                    .filter(|s| {
-                        matches!(
-                            s,
-                            meilisearch_types::settings::RankingRuleView::Asc(_)
-                                | meilisearch_types::settings::RankingRuleView::Desc(_)
-                        )
-                    })
-                    .map(|x| x.to_string())
-                    .collect::<Vec<_>>()
-                    .join(", ")
-            }),
-        }
-    }
-
-    pub fn into_settings(self) -> SettingsAnalytics {
-        SettingsAnalytics { ranking_rules: self, ..Default::default() }
-    }
-}
-
-#[derive(Serialize, Default)]
-pub struct SearchableAttributesAnalytics {
-    pub total: Option<usize>,
-    pub with_wildcard: Option<bool>,
-}
-
-impl SearchableAttributesAnalytics {
-    pub fn new(setting: Option<&Vec<String>>) -> Self {
-        Self {
-            total: setting.as_ref().map(|searchable| searchable.len()),
-            with_wildcard: setting
-                .as_ref()
-                .map(|searchable| searchable.iter().any(|searchable| searchable == "*")),
-        }
-    }
-
-    pub fn into_settings(self) -> SettingsAnalytics {
-        SettingsAnalytics { searchable_attributes: self, ..Default::default() }
-    }
-}
-
-#[derive(Serialize, Default)]
-pub struct DisplayedAttributesAnalytics {
-    pub total: Option<usize>,
-    pub with_wildcard: Option<bool>,
-}
-
-impl DisplayedAttributesAnalytics {
-    pub fn new(displayed: Option<&Vec<String>>) -> Self {
-        Self {
-            total: displayed.as_ref().map(|displayed| displayed.len()),
-            with_wildcard: displayed
-                .as_ref()
-                .map(|displayed| displayed.iter().any(|displayed| displayed == "*")),
-        }
-    }
-
-    pub fn into_settings(self) -> SettingsAnalytics {
-        SettingsAnalytics { displayed_attributes: self, ..Default::default() }
-    }
-}
-
-#[derive(Serialize, Default)]
-pub struct SortableAttributesAnalytics {
-    pub total: Option<usize>,
-    pub has_geo: Option<bool>,
-}
-
-impl SortableAttributesAnalytics {
-    pub fn new(setting: Option<&BTreeSet<String>>) -> Self {
-        Self {
-            total: setting.as_ref().map(|sort| sort.len()),
-            has_geo: setting.as_ref().map(|sort| sort.contains("_geo")),
-        }
-    }
-
-    pub fn into_settings(self) -> SettingsAnalytics {
-        SettingsAnalytics { sortable_attributes: self, ..Default::default() }
-    }
-}
-
-#[derive(Serialize, Default)]
-pub struct FilterableAttributesAnalytics {
-    pub total: Option<usize>,
-    pub has_geo: Option<bool>,
-}
-
-impl FilterableAttributesAnalytics {
-    pub fn new(setting: Option<&BTreeSet<String>>) -> Self {
-        Self {
-            total: setting.as_ref().map(|filter| filter.len()),
-            has_geo: setting.as_ref().map(|filter| filter.contains("_geo")),
-        }
-    }
-
-    pub fn into_settings(self) -> SettingsAnalytics {
-        SettingsAnalytics { filterable_attributes: self, ..Default::default() }
-    }
-}
-
-#[derive(Serialize, Default)]
-pub struct DistinctAttributeAnalytics {
-    pub set: bool,
-}
-
-impl DistinctAttributeAnalytics {
-    pub fn new(distinct: Option<&String>) -> Self {
-        Self { set: distinct.is_some() }
-    }
-
-    pub fn into_settings(self) -> SettingsAnalytics {
-        SettingsAnalytics { distinct_attribute: self, ..Default::default() }
-    }
-}
-
-#[derive(Serialize, Default)]
-pub struct ProximityPrecisionAnalytics {
-    pub set: bool,
-    pub value: Option<ProximityPrecisionView>,
-}
-
-impl ProximityPrecisionAnalytics {
-    pub fn new(precision: Option<&ProximityPrecisionView>) -> Self {
-        Self { set: precision.is_some(), value: precision.cloned() }
-    }
-
-    pub fn into_settings(self) -> SettingsAnalytics {
-        SettingsAnalytics { proximity_precision: self, ..Default::default() }
-    }
-}
-
-#[derive(Serialize, Default)]
-pub struct TypoToleranceAnalytics {
-    pub enabled: Option<bool>,
-    pub disable_on_attributes: Option<bool>,
-    pub disable_on_words: Option<bool>,
-    pub min_word_size_for_one_typo: Option<u8>,
-    pub min_word_size_for_two_typos: Option<u8>,
-}
-
-impl TypoToleranceAnalytics {
-    pub fn new(setting: Option<&TypoSettings>) -> Self {
-        Self {
-            enabled: setting.as_ref().map(|s| !matches!(s.enabled, Setting::Set(false))),
-            disable_on_attributes: setting
-                .as_ref()
-                .and_then(|s| s.disable_on_attributes.as_ref().set().map(|m| !m.is_empty())),
-            disable_on_words: setting
-                .as_ref()
-                .and_then(|s| s.disable_on_words.as_ref().set().map(|m| !m.is_empty())),
-            min_word_size_for_one_typo: setting
-                .as_ref()
-                .and_then(|s| s.min_word_size_for_typos.as_ref().set().map(|s| s.one_typo.set()))
-                .flatten(),
-            min_word_size_for_two_typos: setting
-                .as_ref()
-                .and_then(|s| s.min_word_size_for_typos.as_ref().set().map(|s| s.two_typos.set()))
-                .flatten(),
-        }
-    }
-    pub fn into_settings(self) -> SettingsAnalytics {
-        SettingsAnalytics { typo_tolerance: self, ..Default::default() }
-    }
-}
-
-#[derive(Serialize, Default)]
-pub struct FacetingAnalytics {
-    pub max_values_per_facet: Option<usize>,
-    pub sort_facet_values_by_star_count: Option<bool>,
-    pub sort_facet_values_by_total: Option<usize>,
-}
-
-impl FacetingAnalytics {
-    pub fn new(setting: Option<&FacetingSettings>) -> Self {
-        Self {
-            max_values_per_facet: setting.as_ref().and_then(|s| s.max_values_per_facet.set()),
-            sort_facet_values_by_star_count: setting.as_ref().and_then(|s| {
-                s.sort_facet_values_by
-                    .as_ref()
-                    .set()
-                    .map(|s| s.iter().any(|(k, v)| k == "*" && v == &FacetValuesSort::Count))
-            }),
-            sort_facet_values_by_total: setting
-                .as_ref()
-                .and_then(|s| s.sort_facet_values_by.as_ref().set().map(|s| s.len())),
-        }
-    }
-
-    pub fn into_settings(self) -> SettingsAnalytics {
-        SettingsAnalytics { faceting: self, ..Default::default() }
-    }
-}
-
-#[derive(Serialize, Default)]
-pub struct PaginationAnalytics {
-    pub max_total_hits: Option<usize>,
-}
-
-impl PaginationAnalytics {
-    pub fn new(setting: Option<&PaginationSettings>) -> Self {
-        Self { max_total_hits: setting.as_ref().and_then(|s| s.max_total_hits.set()) }
-    }
-
-    pub fn into_settings(self) -> SettingsAnalytics {
-        SettingsAnalytics { pagination: self, ..Default::default() }
-    }
-}
-
-#[derive(Serialize, Default)]
-pub struct StopWordsAnalytics {
-    pub total: Option<usize>,
-}
-
-impl StopWordsAnalytics {
-    pub fn new(stop_words: Option<&BTreeSet<String>>) -> Self {
-        Self { total: stop_words.as_ref().map(|stop_words| stop_words.len()) }
-    }
-
-    pub fn into_settings(self) -> SettingsAnalytics {
-        SettingsAnalytics { stop_words: self, ..Default::default() }
-    }
-}
-
-#[derive(Serialize, Default)]
-pub struct SynonymsAnalytics {
-    pub total: Option<usize>,
-}
-
-impl SynonymsAnalytics {
-    pub fn new(synonyms: Option<&BTreeMap<String, Vec<String>>>) -> Self {
-        Self { total: synonyms.as_ref().map(|synonyms| synonyms.len()) }
-    }
-
-    pub fn into_settings(self) -> SettingsAnalytics {
-        SettingsAnalytics { synonyms: self, ..Default::default() }
-    }
-}
-
-#[derive(Serialize, Default)]
-pub struct EmbeddersAnalytics {
-    // last
-    pub total: Option<usize>,
-    // Merge the sources
-    pub sources: Option<HashSet<String>>,
-    // |=
-    pub document_template_used: Option<bool>,
-    // max
-    pub document_template_max_bytes: Option<usize>,
-    // |=
-    pub binary_quantization_used: Option<bool>,
-}
-
-impl EmbeddersAnalytics {
-    pub fn new(setting: Option<&BTreeMap<String, Setting<EmbeddingSettings>>>) -> Self {
-        let mut sources = std::collections::HashSet::new();
-
-        if let Some(s) = &setting {
-            for source in s
-                .values()
-                .filter_map(|config| config.clone().set())
-                .filter_map(|config| config.source.set())
-            {
-                use meilisearch_types::milli::vector::settings::EmbedderSource;
-                match source {
-                    EmbedderSource::OpenAi => sources.insert("openAi".to_string()),
-                    EmbedderSource::HuggingFace => sources.insert("huggingFace".to_string()),
-                    EmbedderSource::UserProvided => sources.insert("userProvided".to_string()),
-                    EmbedderSource::Ollama => sources.insert("ollama".to_string()),
-                    EmbedderSource::Rest => sources.insert("rest".to_string()),
-                };
-            }
-        };
-
-        Self {
-            total: setting.as_ref().map(|s| s.len()),
-            sources: Some(sources),
-            document_template_used: setting.as_ref().map(|map| {
-                map.values()
-                    .filter_map(|config| config.clone().set())
-                    .any(|config| config.document_template.set().is_some())
-            }),
-            document_template_max_bytes: setting.as_ref().and_then(|map| {
-                map.values()
-                    .filter_map(|config| config.clone().set())
-                    .filter_map(|config| config.document_template_max_bytes.set())
-                    .max()
-            }),
-            binary_quantization_used: setting.as_ref().map(|map| {
-                map.values()
-                    .filter_map(|config| config.clone().set())
-                    .any(|config| config.binary_quantized.set().is_some())
-            }),
-        }
-    }
-
-    pub fn into_settings(self) -> SettingsAnalytics {
-        SettingsAnalytics { embedders: self, ..Default::default() }
-    }
-}
-
-#[derive(Serialize, Default)]
-#[serde(transparent)]
-pub struct SearchCutoffMsAnalytics {
-    pub search_cutoff_ms: Option<u64>,
-}
-
-impl SearchCutoffMsAnalytics {
-    pub fn new(setting: Option<&u64>) -> Self {
-        Self { search_cutoff_ms: setting.copied() }
-    }
-
-    pub fn into_settings(self) -> SettingsAnalytics {
-        SettingsAnalytics { search_cutoff_ms: self, ..Default::default() }
-    }
-}
-
-#[derive(Serialize, Default)]
-#[serde(transparent)]
-pub struct LocalesAnalytics {
-    pub locales: Option<BTreeSet<Locale>>,
-}
-
-impl LocalesAnalytics {
-    pub fn new(rules: Option<&Vec<LocalizedAttributesRuleView>>) -> Self {
-        LocalesAnalytics {
-            locales: rules.as_ref().map(|rules| {
-                rules
-                    .iter()
-                    .flat_map(|rule| rule.locales.iter().cloned())
-                    .collect::<std::collections::BTreeSet<_>>()
-            }),
-        }
-    }
-
-    pub fn into_settings(self) -> SettingsAnalytics {
-        SettingsAnalytics { locales: self, ..Default::default() }
-    }
-}
-
-#[derive(Serialize, Default)]
-pub struct DictionaryAnalytics {
-    pub total: Option<usize>,
-}
-
-impl DictionaryAnalytics {
-    pub fn new(dictionary: Option<&BTreeSet<String>>) -> Self {
-        Self { total: dictionary.as_ref().map(|dictionary| dictionary.len()) }
-    }
-
-    pub fn into_settings(self) -> SettingsAnalytics {
-        SettingsAnalytics { dictionary: self, ..Default::default() }
-    }
-}
-
-#[derive(Serialize, Default)]
-pub struct SeparatorTokensAnalytics {
-    pub total: Option<usize>,
-}
-
-impl SeparatorTokensAnalytics {
-    pub fn new(separator_tokens: Option<&BTreeSet<String>>) -> Self {
-        Self { total: separator_tokens.as_ref().map(|separator_tokens| separator_tokens.len()) }
-    }
-
-    pub fn into_settings(self) -> SettingsAnalytics {
-        SettingsAnalytics { separator_tokens: self, ..Default::default() }
-    }
-}
-
-#[derive(Serialize, Default)]
-pub struct NonSeparatorTokensAnalytics {
-    pub total: Option<usize>,
-}
-
-impl NonSeparatorTokensAnalytics {
-    pub fn new(non_separator_tokens: Option<&BTreeSet<String>>) -> Self {
-        Self {
-            total: non_separator_tokens
-                .as_ref()
-                .map(|non_separator_tokens| non_separator_tokens.len()),
-        }
-    }
-
-    pub fn into_settings(self) -> SettingsAnalytics {
-        SettingsAnalytics { non_separator_tokens: self, ..Default::default() }
-    }
-}

crates/meilisearch/src/routes/indexes/similar.rs

@@ -13,10 +13,9 @@ use serde_json::Value;
 use tracing::debug;
 
 use super::ActionPolicy;
-use crate::analytics::Analytics;
+use crate::analytics::{Analytics, SimilarAggregator};
 use crate::extractors::authentication::GuardedData;
 use crate::extractors::sequential_extractor::SeqHandler;
-use crate::routes::indexes::similar_analytics::{SimilarAggregator, SimilarGET, SimilarPOST};
 use crate::search::{
     add_search_rules, perform_similar, RankingScoreThresholdSimilar, RetrieveVectors, SearchKind,
     SimilarQuery, SimilarResult, DEFAULT_SEARCH_LIMIT, DEFAULT_SEARCH_OFFSET,
@@ -35,13 +34,13 @@ pub async fn similar_get(
     index_uid: web::Path<String>,
     params: AwebQueryParameter<SimilarQueryGet, DeserrQueryParamError>,
     req: HttpRequest,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let index_uid = IndexUid::try_from(index_uid.into_inner())?;
 
     let query = params.0.try_into()?;
 
-    let mut aggregate = SimilarAggregator::<SimilarGET>::from_query(&query);
+    let mut aggregate = SimilarAggregator::from_query(&query, &req);
 
     debug!(parameters = ?query, "Similar get");
 
@@ -50,7 +49,7 @@ pub async fn similar_get(
     if let Ok(similar) = &similar {
         aggregate.succeed(similar);
     }
-    analytics.publish(aggregate, &req);
+    analytics.get_similar(aggregate);
 
     let similar = similar?;
 
@@ -63,21 +62,21 @@ pub async fn similar_post(
     index_uid: web::Path<String>,
     params: AwebJson<SimilarQuery, DeserrJsonError>,
     req: HttpRequest,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let index_uid = IndexUid::try_from(index_uid.into_inner())?;
 
     let query = params.into_inner();
     debug!(parameters = ?query, "Similar post");
 
-    let mut aggregate = SimilarAggregator::<SimilarPOST>::from_query(&query);
+    let mut aggregate = SimilarAggregator::from_query(&query, &req);
 
     let similar = similar(index_scheduler, index_uid, query).await;
 
     if let Ok(similar) = &similar {
         aggregate.succeed(similar);
     }
-    analytics.publish(aggregate, &req);
+    analytics.post_similar(aggregate);
 
     let similar = similar?;
 

crates/meilisearch/src/routes/indexes/similar_analytics.rs

@@ -1,233 +0,0 @@
-use std::collections::{BinaryHeap, HashMap};
-
-use once_cell::sync::Lazy;
-use regex::Regex;
-use serde_json::{json, Value};
-
-use crate::aggregate_methods;
-use crate::analytics::{Aggregate, AggregateMethod};
-use crate::search::{SimilarQuery, SimilarResult};
-
-aggregate_methods!(
-    SimilarPOST => "Similar POST",
-    SimilarGET => "Similar GET",
-);
-
-#[derive(Default)]
-pub struct SimilarAggregator<Method: AggregateMethod> {
-    // requests
-    total_received: usize,
-    total_succeeded: usize,
-    time_spent: BinaryHeap<usize>,
-
-    // filter
-    filter_with_geo_radius: bool,
-    filter_with_geo_bounding_box: bool,
-    // every time a request has a filter, this field must be incremented by the number of terms it contains
-    filter_sum_of_criteria_terms: usize,
-    // every time a request has a filter, this field must be incremented by one
-    filter_total_number_of_criteria: usize,
-    used_syntax: HashMap<String, usize>,
-
-    // Whether a non-default embedder was specified
-    retrieve_vectors: bool,
-
-    // pagination
-    max_limit: usize,
-    max_offset: usize,
-
-    // formatting
-    max_attributes_to_retrieve: usize,
-
-    // scoring
-    show_ranking_score: bool,
-    show_ranking_score_details: bool,
-    ranking_score_threshold: bool,
-
-    marker: std::marker::PhantomData<Method>,
-}
-
-impl<Method: AggregateMethod> SimilarAggregator<Method> {
-    #[allow(clippy::field_reassign_with_default)]
-    pub fn from_query(query: &SimilarQuery) -> Self {
-        let SimilarQuery {
-            id: _,
-            embedder: _,
-            offset,
-            limit,
-            attributes_to_retrieve: _,
-            retrieve_vectors,
-            show_ranking_score,
-            show_ranking_score_details,
-            filter,
-            ranking_score_threshold,
-        } = query;
-
-        let mut ret = Self::default();
-
-        ret.total_received = 1;
-
-        if let Some(ref filter) = filter {
-            static RE: Lazy<Regex> = Lazy::new(|| Regex::new("AND | OR").unwrap());
-            ret.filter_total_number_of_criteria = 1;
-
-            let syntax = match filter {
-                Value::String(_) => "string".to_string(),
-                Value::Array(values) => {
-                    if values.iter().map(|v| v.to_string()).any(|s| RE.is_match(&s)) {
-                        "mixed".to_string()
-                    } else {
-                        "array".to_string()
-                    }
-                }
-                _ => "none".to_string(),
-            };
-            // convert the string to a HashMap
-            ret.used_syntax.insert(syntax, 1);
-
-            let stringified_filters = filter.to_string();
-            ret.filter_with_geo_radius = stringified_filters.contains("_geoRadius(");
-            ret.filter_with_geo_bounding_box = stringified_filters.contains("_geoBoundingBox(");
-            ret.filter_sum_of_criteria_terms = RE.split(&stringified_filters).count();
-        }
-
-        ret.max_limit = *limit;
-        ret.max_offset = *offset;
-
-        ret.show_ranking_score = *show_ranking_score;
-        ret.show_ranking_score_details = *show_ranking_score_details;
-        ret.ranking_score_threshold = ranking_score_threshold.is_some();
-
-        ret.retrieve_vectors = *retrieve_vectors;
-
-        ret
-    }
-
-    pub fn succeed(&mut self, result: &SimilarResult) {
-        let SimilarResult { id: _, hits: _, processing_time_ms, hits_info: _ } = result;
-
-        self.total_succeeded = self.total_succeeded.saturating_add(1);
-
-        self.time_spent.push(*processing_time_ms as usize);
-    }
-}
-
-impl<Method: AggregateMethod> Aggregate for SimilarAggregator<Method> {
-    fn event_name(&self) -> &'static str {
-        Method::event_name()
-    }
-
-    /// Aggregate one [SimilarAggregator] into another.
-    fn aggregate(mut self: Box<Self>, new: Box<Self>) -> Box<Self> {
-        let Self {
-            total_received,
-            total_succeeded,
-            mut time_spent,
-            filter_with_geo_radius,
-            filter_with_geo_bounding_box,
-            filter_sum_of_criteria_terms,
-            filter_total_number_of_criteria,
-            used_syntax,
-            max_limit,
-            max_offset,
-            max_attributes_to_retrieve,
-            show_ranking_score,
-            show_ranking_score_details,
-            ranking_score_threshold,
-            retrieve_vectors,
-            marker: _,
-        } = *new;
-
-        // request
-        self.total_received = self.total_received.saturating_add(total_received);
-        self.total_succeeded = self.total_succeeded.saturating_add(total_succeeded);
-        self.time_spent.append(&mut time_spent);
-
-        // filter
-        self.filter_with_geo_radius |= filter_with_geo_radius;
-        self.filter_with_geo_bounding_box |= filter_with_geo_bounding_box;
-        self.filter_sum_of_criteria_terms =
-            self.filter_sum_of_criteria_terms.saturating_add(filter_sum_of_criteria_terms);
-        self.filter_total_number_of_criteria =
-            self.filter_total_number_of_criteria.saturating_add(filter_total_number_of_criteria);
-        for (key, value) in used_syntax.into_iter() {
-            let used_syntax = self.used_syntax.entry(key).or_insert(0);
-            *used_syntax = used_syntax.saturating_add(value);
-        }
-
-        self.retrieve_vectors |= retrieve_vectors;
-
-        // pagination
-        self.max_limit = self.max_limit.max(max_limit);
-        self.max_offset = self.max_offset.max(max_offset);
-
-        // formatting
-        self.max_attributes_to_retrieve =
-            self.max_attributes_to_retrieve.max(max_attributes_to_retrieve);
-
-        // scoring
-        self.show_ranking_score |= show_ranking_score;
-        self.show_ranking_score_details |= show_ranking_score_details;
-        self.ranking_score_threshold |= ranking_score_threshold;
-
-        self
-    }
-
-    fn into_event(self: Box<Self>) -> serde_json::Value {
-        let Self {
-            total_received,
-            total_succeeded,
-            time_spent,
-            filter_with_geo_radius,
-            filter_with_geo_bounding_box,
-            filter_sum_of_criteria_terms,
-            filter_total_number_of_criteria,
-            used_syntax,
-            max_limit,
-            max_offset,
-            max_attributes_to_retrieve,
-            show_ranking_score,
-            show_ranking_score_details,
-            ranking_score_threshold,
-            retrieve_vectors,
-            marker: _,
-        } = *self;
-
-        // we get all the values in a sorted manner
-        let time_spent = time_spent.into_sorted_vec();
-        // the index of the 99th percentage of value
-        let percentile_99th = time_spent.len() * 99 / 100;
-        // We are only interested by the slowest value of the 99th fastest results
-        let time_spent = time_spent.get(percentile_99th);
-
-        json!({
-            "requests": {
-                "99th_response_time": time_spent.map(|t| format!("{:.2}", t)),
-                "total_succeeded": total_succeeded,
-                "total_failed": total_received.saturating_sub(total_succeeded), // just to be sure we never panics
-                "total_received": total_received,
-            },
-            "filter": {
-               "with_geoRadius": filter_with_geo_radius,
-               "with_geoBoundingBox": filter_with_geo_bounding_box,
-               "avg_criteria_number": format!("{:.2}", filter_sum_of_criteria_terms as f64 / filter_total_number_of_criteria as f64),
-               "most_used_syntax": used_syntax.iter().max_by_key(|(_, v)| *v).map(|(k, _)| json!(k)).unwrap_or_else(|| json!(null)),
-            },
-            "vector": {
-                "retrieve_vectors": retrieve_vectors,
-            },
-            "pagination": {
-               "max_limit": max_limit,
-               "max_offset": max_offset,
-            },
-            "formatting": {
-                "max_attributes_to_retrieve": max_attributes_to_retrieve,
-            },
-            "scoring": {
-                "show_ranking_score": show_ranking_score,
-                "show_ranking_score_details": show_ranking_score_details,
-                "ranking_score_threshold": ranking_score_threshold,
-            }
-        })
-    }
-}

crates/meilisearch/src/routes/mod.rs

@@ -25,7 +25,6 @@ pub mod indexes;
 mod logs;
 mod metrics;
 mod multi_search;
-mod multi_search_analytics;
 mod snapshot;
 mod swap_indexes;
 pub mod tasks;

crates/meilisearch/src/routes/multi_search.rs

@@ -9,8 +9,7 @@ use meilisearch_types::keys::actions;
 use serde::Serialize;
 use tracing::debug;
 
-use super::multi_search_analytics::MultiSearchAggregator;
-use crate::analytics::Analytics;
+use crate::analytics::{Analytics, MultiSearchAggregator};
 use crate::error::MeilisearchHttpError;
 use crate::extractors::authentication::policies::ActionPolicy;
 use crate::extractors::authentication::{AuthenticationError, GuardedData};
@@ -36,7 +35,7 @@ pub async fn multi_search_with_post(
     search_queue: Data<SearchQueue>,
     params: AwebJson<FederatedSearch, DeserrJsonError>,
     req: HttpRequest,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     // Since we don't want to process half of the search requests and then get a permit refused
     // we're going to get one permit for the whole duration of the multi-search request.
@@ -44,7 +43,7 @@ pub async fn multi_search_with_post(
 
     let federated_search = params.into_inner();
 
-    let mut multi_aggregate = MultiSearchAggregator::from_federated_search(&federated_search);
+    let mut multi_aggregate = MultiSearchAggregator::from_federated_search(&federated_search, &req);
 
     let FederatedSearch { mut queries, federation } = federated_search;
 
@@ -88,7 +87,7 @@ pub async fn multi_search_with_post(
                 multi_aggregate.succeed();
             }
 
-            analytics.publish(multi_aggregate, &req);
+            analytics.post_multi_search(multi_aggregate);
             HttpResponse::Ok().json(search_result??)
         }
         None => {
@@ -150,7 +149,7 @@ pub async fn multi_search_with_post(
             if search_results.is_ok() {
                 multi_aggregate.succeed();
             }
-            analytics.publish(multi_aggregate, &req);
+            analytics.post_multi_search(multi_aggregate);
 
             let search_results = search_results.map_err(|(mut err, query_index)| {
                 // Add the query index that failed as context for the error message.

crates/meilisearch/src/routes/multi_search_analytics.rs

@@ -1,168 +0,0 @@
-use std::collections::HashSet;
-
-use serde_json::json;
-
-use crate::analytics::Aggregate;
-use crate::search::{FederatedSearch, SearchQueryWithIndex};
-
-#[derive(Default)]
-pub struct MultiSearchAggregator {
-    // requests
-    total_received: usize,
-    total_succeeded: usize,
-
-    // sum of the number of distinct indexes in each single request, use with total_received to compute an avg
-    total_distinct_index_count: usize,
-    // number of queries with a single index, use with total_received to compute a proportion
-    total_single_index: usize,
-
-    // sum of the number of search queries in the requests, use with total_received to compute an average
-    total_search_count: usize,
-
-    // scoring
-    show_ranking_score: bool,
-    show_ranking_score_details: bool,
-
-    // federation
-    use_federation: bool,
-}
-
-impl MultiSearchAggregator {
-    pub fn from_federated_search(federated_search: &FederatedSearch) -> Self {
-        let use_federation = federated_search.federation.is_some();
-
-        let distinct_indexes: HashSet<_> = federated_search
-            .queries
-            .iter()
-            .map(|query| {
-                let query = &query;
-                // make sure we get a compilation error if a field gets added to / removed from SearchQueryWithIndex
-                let SearchQueryWithIndex {
-                    index_uid,
-                    federation_options: _,
-                    q: _,
-                    vector: _,
-                    offset: _,
-                    limit: _,
-                    page: _,
-                    hits_per_page: _,
-                    attributes_to_retrieve: _,
-                    retrieve_vectors: _,
-                    attributes_to_crop: _,
-                    crop_length: _,
-                    attributes_to_highlight: _,
-                    show_ranking_score: _,
-                    show_ranking_score_details: _,
-                    show_matches_position: _,
-                    filter: _,
-                    sort: _,
-                    distinct: _,
-                    facets: _,
-                    highlight_pre_tag: _,
-                    highlight_post_tag: _,
-                    crop_marker: _,
-                    matching_strategy: _,
-                    attributes_to_search_on: _,
-                    hybrid: _,
-                    ranking_score_threshold: _,
-                    locales: _,
-                } = query;
-
-                index_uid.as_str()
-            })
-            .collect();
-
-        let show_ranking_score =
-            federated_search.queries.iter().any(|query| query.show_ranking_score);
-        let show_ranking_score_details =
-            federated_search.queries.iter().any(|query| query.show_ranking_score_details);
-
-        Self {
-            total_received: 1,
-            total_succeeded: 0,
-            total_distinct_index_count: distinct_indexes.len(),
-            total_single_index: if distinct_indexes.len() == 1 { 1 } else { 0 },
-            total_search_count: federated_search.queries.len(),
-            show_ranking_score,
-            show_ranking_score_details,
-            use_federation,
-        }
-    }
-
-    pub fn succeed(&mut self) {
-        self.total_succeeded = self.total_succeeded.saturating_add(1);
-    }
-}
-
-impl Aggregate for MultiSearchAggregator {
-    fn event_name(&self) -> &'static str {
-        "Documents Searched by Multi-Search POST"
-    }
-
-    /// Aggregate one [MultiSearchAggregator] into another.
-    fn aggregate(self: Box<Self>, new: Box<Self>) -> Box<Self> {
-        // write the aggregate in a way that will cause a compilation error if a field is added.
-
-        // get ownership of self, replacing it by a default value.
-        let this = *self;
-
-        let total_received = this.total_received.saturating_add(new.total_received);
-        let total_succeeded = this.total_succeeded.saturating_add(new.total_succeeded);
-        let total_distinct_index_count =
-            this.total_distinct_index_count.saturating_add(new.total_distinct_index_count);
-        let total_single_index = this.total_single_index.saturating_add(new.total_single_index);
-        let total_search_count = this.total_search_count.saturating_add(new.total_search_count);
-        let show_ranking_score = this.show_ranking_score || new.show_ranking_score;
-        let show_ranking_score_details =
-            this.show_ranking_score_details || new.show_ranking_score_details;
-        let use_federation = this.use_federation || new.use_federation;
-
-        Box::new(Self {
-            total_received,
-            total_succeeded,
-            total_distinct_index_count,
-            total_single_index,
-            total_search_count,
-            show_ranking_score,
-            show_ranking_score_details,
-            use_federation,
-        })
-    }
-
-    fn into_event(self: Box<Self>) -> serde_json::Value {
-        let Self {
-            total_received,
-            total_succeeded,
-            total_distinct_index_count,
-            total_single_index,
-            total_search_count,
-            show_ranking_score,
-            show_ranking_score_details,
-            use_federation,
-        } = *self;
-
-        json!({
-            "requests": {
-                "total_succeeded": total_succeeded,
-                "total_failed": total_received.saturating_sub(total_succeeded), // just to be sure we never panics
-                "total_received": total_received,
-            },
-            "indexes": {
-                "total_single_index": total_single_index,
-                "total_distinct_index_count": total_distinct_index_count,
-                "avg_distinct_index_count": (total_distinct_index_count as f64) / (total_received as f64), // not 0 else returned early
-            },
-            "searches": {
-                "total_search_count": total_search_count,
-                "avg_search_count": (total_search_count as f64) / (total_received as f64),
-            },
-            "scoring": {
-                "show_ranking_score": show_ranking_score,
-                "show_ranking_score_details": show_ranking_score_details,
-            },
-            "federation": {
-                "use_federation": use_federation,
-            }
-        })
-    }
-}

crates/meilisearch/src/routes/snapshot.rs

@@ -3,6 +3,7 @@ use actix_web::{web, HttpRequest, HttpResponse};
 use index_scheduler::IndexScheduler;
 use meilisearch_types::error::ResponseError;
 use meilisearch_types::tasks::KindWithContent;
+use serde_json::json;
 use tracing::debug;
 
 use crate::analytics::Analytics;
@@ -16,15 +17,13 @@ pub fn configure(cfg: &mut web::ServiceConfig) {
     cfg.service(web::resource("").route(web::post().to(SeqHandler(create_snapshot))));
 }
 
-crate::empty_analytics!(SnapshotAnalytics, "Snapshot Created");
-
 pub async fn create_snapshot(
     index_scheduler: GuardedData<ActionPolicy<{ actions::SNAPSHOTS_CREATE }>, Data<IndexScheduler>>,
     req: HttpRequest,
     opt: web::Data<Opt>,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
-    analytics.publish(SnapshotAnalytics::default(), &req);
+    analytics.publish("Snapshot Created".to_string(), json!({}), Some(&req));
 
     let task = KindWithContent::SnapshotCreation;
     let uid = get_task_id(&req, &opt)?;

crates/meilisearch/src/routes/swap_indexes.rs

@@ -8,10 +8,10 @@ use meilisearch_types::error::deserr_codes::InvalidSwapIndexes;
 use meilisearch_types::error::ResponseError;
 use meilisearch_types::index_uid::IndexUid;
 use meilisearch_types::tasks::{IndexSwap, KindWithContent};
-use serde::Serialize;
+use serde_json::json;
 
 use super::{get_task_id, is_dry_run, SummarizedTaskView};
-use crate::analytics::{Aggregate, Analytics};
+use crate::analytics::Analytics;
 use crate::error::MeilisearchHttpError;
 use crate::extractors::authentication::policies::*;
 use crate::extractors::authentication::{AuthenticationError, GuardedData};
@@ -29,36 +29,21 @@ pub struct SwapIndexesPayload {
     indexes: Vec<IndexUid>,
 }
 
-#[derive(Serialize)]
-struct IndexSwappedAnalytics {
-    swap_operation_number: usize,
-}
-
-impl Aggregate for IndexSwappedAnalytics {
-    fn event_name(&self) -> &'static str {
-        "Indexes Swapped"
-    }
-
-    fn aggregate(self: Box<Self>, new: Box<Self>) -> Box<Self> {
-        Box::new(Self {
-            swap_operation_number: self.swap_operation_number.max(new.swap_operation_number),
-        })
-    }
-
-    fn into_event(self: Box<Self>) -> serde_json::Value {
-        serde_json::to_value(*self).unwrap_or_default()
-    }
-}
-
 pub async fn swap_indexes(
     index_scheduler: GuardedData<ActionPolicy<{ actions::INDEXES_SWAP }>, Data<IndexScheduler>>,
     params: AwebJson<Vec<SwapIndexesPayload>, DeserrJsonError>,
     req: HttpRequest,
     opt: web::Data<Opt>,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let params = params.into_inner();
-    analytics.publish(IndexSwappedAnalytics { swap_operation_number: params.len() }, &req);
+    analytics.publish(
+        "Indexes Swapped".to_string(),
+        json!({
+            "swap_operation_number": params.len(),
+        }),
+        Some(&req),
+    );
     let filters = index_scheduler.filters();
 
     let mut swaps = vec![];

crates/meilisearch/src/routes/tasks.rs

@@ -12,17 +12,18 @@ use meilisearch_types::star_or::{OptionStarOr, OptionStarOrList};
 use meilisearch_types::task_view::TaskView;
 use meilisearch_types::tasks::{Kind, KindWithContent, Status};
 use serde::Serialize;
+use serde_json::json;
 use time::format_description::well_known::Rfc3339;
 use time::macros::format_description;
 use time::{Date, Duration, OffsetDateTime, Time};
 use tokio::task;
 
 use super::{get_task_id, is_dry_run, SummarizedTaskView};
-use crate::analytics::{Aggregate, AggregateMethod, Analytics};
+use crate::analytics::Analytics;
 use crate::extractors::authentication::policies::*;
 use crate::extractors::authentication::GuardedData;
 use crate::extractors::sequential_extractor::SeqHandler;
-use crate::{aggregate_methods, Opt};
+use crate::Opt;
 
 const DEFAULT_LIMIT: u32 = 20;
 
@@ -157,69 +158,12 @@ impl TaskDeletionOrCancelationQuery {
     }
 }
 
-aggregate_methods!(
-    CancelTasks => "Tasks Canceled",
-    DeleteTasks => "Tasks Deleted",
-);
-
-#[derive(Serialize)]
-struct TaskFilterAnalytics<Method: AggregateMethod> {
-    filtered_by_uid: bool,
-    filtered_by_index_uid: bool,
-    filtered_by_type: bool,
-    filtered_by_status: bool,
-    filtered_by_canceled_by: bool,
-    filtered_by_before_enqueued_at: bool,
-    filtered_by_after_enqueued_at: bool,
-    filtered_by_before_started_at: bool,
-    filtered_by_after_started_at: bool,
-    filtered_by_before_finished_at: bool,
-    filtered_by_after_finished_at: bool,
-
-    #[serde(skip)]
-    marker: std::marker::PhantomData<Method>,
-}
-
-impl<Method: AggregateMethod + 'static> Aggregate for TaskFilterAnalytics<Method> {
-    fn event_name(&self) -> &'static str {
-        Method::event_name()
-    }
-
-    fn aggregate(self: Box<Self>, new: Box<Self>) -> Box<Self> {
-        Box::new(Self {
-            filtered_by_uid: self.filtered_by_uid | new.filtered_by_uid,
-            filtered_by_index_uid: self.filtered_by_index_uid | new.filtered_by_index_uid,
-            filtered_by_type: self.filtered_by_type | new.filtered_by_type,
-            filtered_by_status: self.filtered_by_status | new.filtered_by_status,
-            filtered_by_canceled_by: self.filtered_by_canceled_by | new.filtered_by_canceled_by,
-            filtered_by_before_enqueued_at: self.filtered_by_before_enqueued_at
-                | new.filtered_by_before_enqueued_at,
-            filtered_by_after_enqueued_at: self.filtered_by_after_enqueued_at
-                | new.filtered_by_after_enqueued_at,
-            filtered_by_before_started_at: self.filtered_by_before_started_at
-                | new.filtered_by_before_started_at,
-            filtered_by_after_started_at: self.filtered_by_after_started_at
-                | new.filtered_by_after_started_at,
-            filtered_by_before_finished_at: self.filtered_by_before_finished_at
-                | new.filtered_by_before_finished_at,
-            filtered_by_after_finished_at: self.filtered_by_after_finished_at
-                | new.filtered_by_after_finished_at,
-
-            marker: std::marker::PhantomData,
-        })
-    }
-
-    fn into_event(self: Box<Self>) -> serde_json::Value {
-        serde_json::to_value(*self).unwrap_or_default()
-    }
-}
-
 async fn cancel_tasks(
     index_scheduler: GuardedData<ActionPolicy<{ actions::TASKS_CANCEL }>, Data<IndexScheduler>>,
     params: AwebQueryParameter<TaskDeletionOrCancelationQuery, DeserrQueryParamError>,
     req: HttpRequest,
     opt: web::Data<Opt>,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let params = params.into_inner();
 
@@ -228,22 +172,21 @@ async fn cancel_tasks(
     }
 
     analytics.publish(
-        TaskFilterAnalytics::<CancelTasks> {
-            filtered_by_uid: params.uids.is_some(),
-            filtered_by_index_uid: params.index_uids.is_some(),
-            filtered_by_type: params.types.is_some(),
-            filtered_by_status: params.statuses.is_some(),
-            filtered_by_canceled_by: params.canceled_by.is_some(),
-            filtered_by_before_enqueued_at: params.before_enqueued_at.is_some(),
-            filtered_by_after_enqueued_at: params.after_enqueued_at.is_some(),
-            filtered_by_before_started_at: params.before_started_at.is_some(),
-            filtered_by_after_started_at: params.after_started_at.is_some(),
-            filtered_by_before_finished_at: params.before_finished_at.is_some(),
-            filtered_by_after_finished_at: params.after_finished_at.is_some(),
-
-            marker: std::marker::PhantomData,
-        },
-        &req,
+        "Tasks Canceled".to_string(),
+        json!({
+            "filtered_by_uid": params.uids.is_some(),
+            "filtered_by_index_uid": params.index_uids.is_some(),
+            "filtered_by_type": params.types.is_some(),
+            "filtered_by_status": params.statuses.is_some(),
+            "filtered_by_canceled_by": params.canceled_by.is_some(),
+            "filtered_by_before_enqueued_at": params.before_enqueued_at.is_some(),
+            "filtered_by_after_enqueued_at": params.after_enqueued_at.is_some(),
+            "filtered_by_before_started_at": params.before_started_at.is_some(),
+            "filtered_by_after_started_at": params.after_started_at.is_some(),
+            "filtered_by_before_finished_at": params.before_finished_at.is_some(),
+            "filtered_by_after_finished_at": params.after_finished_at.is_some(),
+        }),
+        Some(&req),
     );
 
     let query = params.into_query();
@@ -271,7 +214,7 @@ async fn delete_tasks(
     params: AwebQueryParameter<TaskDeletionOrCancelationQuery, DeserrQueryParamError>,
     req: HttpRequest,
     opt: web::Data<Opt>,
-    analytics: web::Data<Analytics>,
+    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let params = params.into_inner();
 
@@ -280,24 +223,22 @@ async fn delete_tasks(
     }
 
     analytics.publish(
-        TaskFilterAnalytics::<DeleteTasks> {
-            filtered_by_uid: params.uids.is_some(),
-            filtered_by_index_uid: params.index_uids.is_some(),
-            filtered_by_type: params.types.is_some(),
-            filtered_by_status: params.statuses.is_some(),
-            filtered_by_canceled_by: params.canceled_by.is_some(),
-            filtered_by_before_enqueued_at: params.before_enqueued_at.is_some(),
-            filtered_by_after_enqueued_at: params.after_enqueued_at.is_some(),
-            filtered_by_before_started_at: params.before_started_at.is_some(),
-            filtered_by_after_started_at: params.after_started_at.is_some(),
-            filtered_by_before_finished_at: params.before_finished_at.is_some(),
-            filtered_by_after_finished_at: params.after_finished_at.is_some(),
-
-            marker: std::marker::PhantomData,
-        },
-        &req,
+        "Tasks Deleted".to_string(),
+        json!({
+            "filtered_by_uid": params.uids.is_some(),
+            "filtered_by_index_uid": params.index_uids.is_some(),
+            "filtered_by_type": params.types.is_some(),
+            "filtered_by_status": params.statuses.is_some(),
+            "filtered_by_canceled_by": params.canceled_by.is_some(),
+            "filtered_by_before_enqueued_at": params.before_enqueued_at.is_some(),
+            "filtered_by_after_enqueued_at": params.after_enqueued_at.is_some(),
+            "filtered_by_before_started_at": params.before_started_at.is_some(),
+            "filtered_by_after_started_at": params.after_started_at.is_some(),
+            "filtered_by_before_finished_at": params.before_finished_at.is_some(),
+            "filtered_by_after_finished_at": params.after_finished_at.is_some(),
+        }),
+        Some(&req),
     );
-
     let query = params.into_query();
 
     let (tasks, _) = index_scheduler.get_task_ids_from_authorized_indexes(

crates/meilisearch/src/search/mod.rs

@@ -1195,13 +1195,8 @@ impl<'a> HitMaker<'a> {
         let vectors_is_hidden = match (&displayed_ids, vectors_fid) {
             // displayed_ids is a wildcard, so `_vectors` can be displayed regardless of its fid
             (None, _) => false,
-            // vectors has no fid, so check its explicit name
-            (Some(_), None) => {
-                // unwrap as otherwise we'd go to the first one
-                let displayed_names = index.displayed_fields(rtxn)?.unwrap();
-                !displayed_names
-                    .contains(&milli::vector::parsed_vectors::RESERVED_VECTORS_FIELD_NAME)
-            }
+            // displayed_ids is a finite list, and `_vectors` cannot be part of it because it is not an existing field
+            (Some(_), None) => true,
             // displayed_ids is a finit list, so hide if `_vectors` is not part of it
             (Some(map), Some(vectors_fid)) => map.contains(&vectors_fid),
         };

crates/meilisearch/tests/auth/api_keys.rs

@@ -421,7 +421,7 @@ async fn error_add_api_key_invalid_parameters_actions() {
     meili_snap::snapshot!(code, @"400 Bad Request");
     meili_snap::snapshot!(meili_snap::json_string!(response, { ".createdAt" => "[ignored]", ".updatedAt" => "[ignored]" }), @r###"
     {
-      "message": "Unknown value `doc.add` at `.actions[0]`: expected one of `search`, `documents.add`, `documents.get`, `documents.delete`, `documents.*`, `indexes.create`, `indexes.get`, `indexes.update`, `indexes.delete`, `indexes.swap`, `indexes.*`, `tasks.cancel`, `tasks.delete`, `tasks.get`, `tasks.*`, `settings.get`, `settings.update`, `settings.*`, `stats.get`, `stats.*`, `metrics.get`, `metrics.*`, `dumps.create`, `dumps.*`, `snapshots.create`, `snapshots.*`, `version`, `keys.create`, `keys.get`, `keys.update`, `keys.delete`, `experimental.get`, `experimental.update`, `*`",
+      "message": "Unknown value `doc.add` at `.actions[0]`: expected one of `search`, `documents.add`, `documents.get`, `documents.delete`, `documents.*`, `indexes.create`, `indexes.get`, `indexes.update`, `indexes.delete`, `indexes.swap`, `indexes.*`, `tasks.cancel`, `tasks.delete`, `tasks.get`, `tasks.*`, `settings.get`, `settings.update`, `settings.*`, `stats.get`, `metrics.get`, `dumps.create`, `snapshots.create`, `version`, `keys.create`, `keys.get`, `keys.update`, `keys.delete`, `experimental.get`, `experimental.update`, `*`",
       "code": "invalid_api_key_actions",
       "type": "invalid_request",
       "link": "https://docs.meilisearch.com/errors#invalid_api_key_actions"

crates/meilisearch/tests/auth/errors.rs

@@ -93,7 +93,7 @@ async fn create_api_key_bad_actions() {
     snapshot!(code, @"400 Bad Request");
     snapshot!(json_string!(response), @r###"
     {
-      "message": "Unknown value `doggo` at `.actions[0]`: expected one of `search`, `documents.add`, `documents.get`, `documents.delete`, `documents.*`, `indexes.create`, `indexes.get`, `indexes.update`, `indexes.delete`, `indexes.swap`, `indexes.*`, `tasks.cancel`, `tasks.delete`, `tasks.get`, `tasks.*`, `settings.get`, `settings.update`, `settings.*`, `stats.get`, `stats.*`, `metrics.get`, `metrics.*`, `dumps.create`, `dumps.*`, `snapshots.create`, `snapshots.*`, `version`, `keys.create`, `keys.get`, `keys.update`, `keys.delete`, `experimental.get`, `experimental.update`, `*`",
+      "message": "Unknown value `doggo` at `.actions[0]`: expected one of `search`, `documents.add`, `documents.get`, `documents.delete`, `documents.*`, `indexes.create`, `indexes.get`, `indexes.update`, `indexes.delete`, `indexes.swap`, `indexes.*`, `tasks.cancel`, `tasks.delete`, `tasks.get`, `tasks.*`, `settings.get`, `settings.update`, `settings.*`, `stats.get`, `metrics.get`, `dumps.create`, `snapshots.create`, `version`, `keys.create`, `keys.get`, `keys.update`, `keys.delete`, `experimental.get`, `experimental.update`, `*`",
       "code": "invalid_api_key_actions",
       "type": "invalid_request",
       "link": "https://docs.meilisearch.com/errors#invalid_api_key_actions"

crates/meilisearch/tests/common/index.rs

@@ -9,7 +9,8 @@ use urlencoding::encode as urlencode;
 
 use super::encoder::Encoder;
 use super::service::Service;
-use super::{Owned, Shared, Value};
+use super::Value;
+use super::{Owned, Shared};
 use crate::json;
 
 pub struct Index<'a, State = Owned> {

crates/meilisearch/tests/common/server.rs

@@ -386,6 +386,7 @@ pub fn default_settings(dir: impl AsRef<Path>) -> Opt {
         db_path: dir.as_ref().join("db"),
         dump_dir: dir.as_ref().join("dumps"),
         env: "development".to_owned(),
+        #[cfg(feature = "analytics")]
         no_analytics: true,
         max_index_size: Byte::from_u64_with_unit(100, Unit::MiB).unwrap(),
         max_task_db_size: Byte::from_u64_with_unit(1, Unit::GiB).unwrap(),

crates/meilisearch/tests/common/service.rs

@@ -9,9 +9,8 @@ use actix_web::test;
 use actix_web::test::TestRequest;
 use actix_web::web::Data;
 use index_scheduler::IndexScheduler;
-use meilisearch::analytics::Analytics;
 use meilisearch::search_queue::SearchQueue;
-use meilisearch::{create_app, Opt, SubscriberForSecondLayer};
+use meilisearch::{analytics, create_app, Opt, SubscriberForSecondLayer};
 use meilisearch_auth::AuthController;
 use tracing::level_filters::LevelFilter;
 use tracing_subscriber::Layer;
@@ -142,7 +141,7 @@ impl Service {
             Data::new(search_queue),
             self.options.clone(),
             (route_layer_handle, stderr_layer_handle),
-            Data::new(Analytics::no_analytics()),
+            analytics::MockAnalytics::new(&self.options),
             true,
         ))
         .await

crates/meilisearch/tests/documents/update_documents.rs

@@ -23,8 +23,8 @@ async fn error_document_update_create_index_bad_uid() {
 
 #[actix_rt::test]
 async fn document_update_with_primary_key() {
-    let server = Server::new_shared();
-    let index = server.unique_index();
+    let server = Server::new().await;
+    let index = server.index("test");
 
     let documents = json!([
         {
@@ -32,14 +32,15 @@ async fn document_update_with_primary_key() {
             "content": "foo",
         }
     ]);
-    let (response, code) = index.update_documents(documents, Some("primary")).await;
+    let (_response, code) = index.update_documents(documents, Some("primary")).await;
     assert_eq!(code, 202);
 
-    index.wait_task(response.uid()).await.succeeded();
+    index.wait_task(0).await;
 
-    let (response, code) = index.get_task(response.uid()).await;
+    let (response, code) = index.get_task(0).await;
     assert_eq!(code, 200);
     assert_eq!(response["status"], "succeeded");
+    assert_eq!(response["uid"], 0);
     assert_eq!(response["type"], "documentAdditionOrUpdate");
     assert_eq!(response["details"]["indexedDocuments"], 1);
     assert_eq!(response["details"]["receivedDocuments"], 1);
@@ -51,8 +52,8 @@ async fn document_update_with_primary_key() {
 
 #[actix_rt::test]
 async fn update_document() {
-    let server = Server::new_shared();
-    let index = server.unique_index();
+    let server = Server::new().await;
+    let index = server.index("test");
 
     let documents = json!([
         {
@@ -61,10 +62,10 @@ async fn update_document() {
         }
     ]);
 
-    let (response, code) = index.add_documents(documents, None).await;
+    let (_response, code) = index.add_documents(documents, None).await;
     assert_eq!(code, 202);
 
-    index.wait_task(response.uid()).await.succeeded();
+    index.wait_task(0).await;
 
     let documents = json!([
         {
@@ -76,9 +77,9 @@ async fn update_document() {
     let (response, code) = index.update_documents(documents, None).await;
     assert_eq!(code, 202, "response: {}", response);
 
-    index.wait_task(response.uid()).await.succeeded();
+    index.wait_task(1).await;
 
-    let (response, code) = index.get_task(response.uid()).await;
+    let (response, code) = index.get_task(1).await;
     assert_eq!(code, 200);
     assert_eq!(response["status"], "succeeded");
 
@@ -95,8 +96,8 @@ async fn update_document() {
 
 #[actix_rt::test]
 async fn update_document_gzip_encoded() {
-    let server = Server::new_shared();
-    let index = server.unique_index_with_encoder(Encoder::Gzip);
+    let server = Server::new().await;
+    let index = server.index_with_encoder("test", Encoder::Gzip);
 
     let documents = json!([
         {
@@ -105,10 +106,10 @@ async fn update_document_gzip_encoded() {
         }
     ]);
 
-    let (response, code) = index.add_documents(documents, None).await;
+    let (_response, code) = index.add_documents(documents, None).await;
     assert_eq!(code, 202);
 
-    index.wait_task(response.uid()).await.succeeded();
+    index.wait_task(0).await;
 
     let documents = json!([
         {
@@ -120,9 +121,9 @@ async fn update_document_gzip_encoded() {
     let (response, code) = index.update_documents(documents, None).await;
     assert_eq!(code, 202, "response: {}", response);
 
-    index.wait_task(response.uid()).await.succeeded();
+    index.wait_task(1).await;
 
-    let (response, code) = index.get_task(response.uid()).await;
+    let (response, code) = index.get_task(1).await;
     assert_eq!(code, 200);
     assert_eq!(response["status"], "succeeded");
 
@@ -139,12 +140,12 @@ async fn update_document_gzip_encoded() {
 
 #[actix_rt::test]
 async fn update_larger_dataset() {
-    let server = Server::new_shared();
-    let index = server.unique_index();
+    let server = Server::new().await;
+    let index = server.index("test");
     let documents = serde_json::from_str(include_str!("../assets/test_set.json")).unwrap();
-    let (task, _code) = index.update_documents(documents, None).await;
-    index.wait_task(task.uid()).await.succeeded();
-    let (response, code) = index.get_task(task.uid()).await;
+    index.update_documents(documents, None).await;
+    index.wait_task(0).await;
+    let (response, code) = index.get_task(0).await;
     assert_eq!(code, 200);
     assert_eq!(response["type"], "documentAdditionOrUpdate");
     assert_eq!(response["details"]["indexedDocuments"], 77);
@@ -157,8 +158,8 @@ async fn update_larger_dataset() {
 
 #[actix_rt::test]
 async fn error_update_documents_bad_document_id() {
-    let server = Server::new_shared();
-    let index = server.unique_index();
+    let server = Server::new().await;
+    let index = server.index("test");
     index.create(Some("docid")).await;
     let documents = json!([
         {
@@ -166,8 +167,8 @@ async fn error_update_documents_bad_document_id() {
             "content": "foobar"
         }
     ]);
-    let (task, _code) = index.update_documents(documents, None).await;
-    let response = index.wait_task(task.uid()).await;
+    index.update_documents(documents, None).await;
+    let response = index.wait_task(1).await;
     assert_eq!(response["status"], json!("failed"));
     assert_eq!(
         response["error"]["message"],
@@ -185,8 +186,8 @@ async fn error_update_documents_bad_document_id() {
 
 #[actix_rt::test]
 async fn error_update_documents_missing_document_id() {
-    let server = Server::new_shared();
-    let index = server.unique_index();
+    let server = Server::new().await;
+    let index = server.index("test");
     index.create(Some("docid")).await;
     let documents = json!([
         {
@@ -194,8 +195,8 @@ async fn error_update_documents_missing_document_id() {
             "content": "foobar"
         }
     ]);
-    let (task, _code) = index.update_documents(documents, None).await;
-    let response = index.wait_task(task.uid()).await;
+    index.update_documents(documents, None).await;
+    let response = index.wait_task(1).await;
     assert_eq!(response["status"], "failed");
     assert_eq!(
         response["error"]["message"],
@@ -211,8 +212,8 @@ async fn error_update_documents_missing_document_id() {
 
 #[actix_rt::test]
 async fn update_faceted_document() {
-    let server = Server::new_shared();
-    let index = server.unique_index();
+    let server = Server::new().await;
+    let index = server.index("test");
 
     let (response, code) = index
         .update_settings(json!({
@@ -220,7 +221,7 @@ async fn update_faceted_document() {
         }))
         .await;
     assert_eq!("202", code.as_str(), "{:?}", response);
-    index.wait_task(response.uid()).await.succeeded();
+    index.wait_task(0).await;
 
     let documents: Vec<_> = (0..1000)
         .map(|id| {
@@ -231,10 +232,10 @@ async fn update_faceted_document() {
         })
         .collect();
 
-    let (response, code) = index.add_documents(documents.into(), None).await;
+    let (_response, code) = index.add_documents(documents.into(), None).await;
     assert_eq!(code, 202);
 
-    index.wait_task(response.uid()).await.succeeded();
+    index.wait_task(1).await;
 
     let documents = json!([
         {
@@ -246,7 +247,7 @@ async fn update_faceted_document() {
     let (response, code) = index.update_documents(documents, None).await;
     assert_eq!(code, 202, "response: {}", response);
 
-    index.wait_task(response.uid()).await.succeeded();
+    index.wait_task(2).await;
 
     index
         .search(json!({"limit": 10}), |response, code| {

crates/meilisearch/tests/logs/mod.rs

@@ -7,9 +7,8 @@ use std::str::FromStr;
 use actix_web::http::header::ContentType;
 use actix_web::web::Data;
 use meili_snap::snapshot;
-use meilisearch::analytics::Analytics;
 use meilisearch::search_queue::SearchQueue;
-use meilisearch::{create_app, Opt, SubscriberForSecondLayer};
+use meilisearch::{analytics, create_app, Opt, SubscriberForSecondLayer};
 use tracing::level_filters::LevelFilter;
 use tracing_subscriber::layer::SubscriberExt;
 use tracing_subscriber::Layer;
@@ -55,7 +54,7 @@ async fn basic_test_log_stream_route() {
         Data::new(search_queue),
         server.service.options.clone(),
         (route_layer_handle, stderr_layer_handle),
-        Data::new(Analytics::no_analytics()),
+        analytics::MockAnalytics::new(&server.service.options),
         true,
     ))
     .await;

crates/meilisearch/tests/search/hybrid.rs

@@ -568,57 +568,6 @@ async fn retrieve_vectors() {
     ]
     "###);
 
-    // use explicit `_vectors` in displayed attributes
-    let (response, code) = index
-        .update_settings(json!({ "displayedAttributes": ["id", "title", "desc", "_vectors"]} ))
-        .await;
-    assert_eq!(202, code, "{:?}", response);
-    index.wait_task(response.uid()).await;
-
-    let (response, code) = index
-        .search_post(
-            json!({"q": "Captain", "hybrid": {"embedder": "default", "semanticRatio": 0.2}, "retrieveVectors": true}),
-        )
-        .await;
-    snapshot!(code, @"200 OK");
-    insta::assert_json_snapshot!(response["hits"], {"[]._vectors.default.embeddings" => "[vectors]"},  @r###"
-    [
-      {
-        "title": "Captain Planet",
-        "desc": "He's not part of the Marvel Cinematic Universe",
-        "id": "2",
-        "_vectors": {
-          "default": {
-            "embeddings": "[vectors]",
-            "regenerate": true
-          }
-        }
-      },
-      {
-        "title": "Captain Marvel",
-        "desc": "a Shazam ersatz",
-        "id": "3",
-        "_vectors": {
-          "default": {
-            "embeddings": "[vectors]",
-            "regenerate": true
-          }
-        }
-      },
-      {
-        "title": "Shazam!",
-        "desc": "a Captain Marvel ersatz",
-        "id": "1",
-        "_vectors": {
-          "default": {
-            "embeddings": "[vectors]",
-            "regenerate": true
-          }
-        }
-      }
-    ]
-    "###);
-
     // remove `_vectors` from displayed attributes
     let (response, code) =
         index.update_settings(json!({ "displayedAttributes": ["id", "title", "desc"]} )).await;

crates/meilisearch/tests/vector/settings.rs

@@ -4,53 +4,6 @@ use crate::common::{GetAllDocumentsOptions, Server};
 use crate::json;
 use crate::vector::generate_default_user_provided_documents;
 
-#[actix_rt::test]
-async fn field_unavailable_for_source() {
-    let server = Server::new().await;
-    let index = server.index("doggo");
-    let (value, code) = server.set_features(json!({"vectorStore": true})).await;
-    snapshot!(code, @"200 OK");
-    snapshot!(value, @r###"
-    {
-      "vectorStore": true,
-      "metrics": false,
-      "logsRoute": false,
-      "editDocumentsByFunction": false,
-      "containsFilter": false
-    }
-    "###);
-
-    let (response, code) = index
-        .update_settings(json!({
-          "embedders": { "manual": {"source": "userProvided", "documentTemplate": "{{doc.documentTemplate}}"}},
-        }))
-        .await;
-    snapshot!(code, @"400 Bad Request");
-    snapshot!(response, @r###"
-    {
-      "message": "`.embedders.manual`: Field `documentTemplate` unavailable for source `userProvided` (only available for sources: `huggingFace`, `openAi`, `ollama`, `rest`). Available fields: `source`, `dimensions`, `distribution`, `binaryQuantized`",
-      "code": "invalid_settings_embedders",
-      "type": "invalid_request",
-      "link": "https://docs.meilisearch.com/errors#invalid_settings_embedders"
-    }
-    "###);
-
-    let (response, code) = index
-        .update_settings(json!({
-          "embedders": { "default": {"source": "openAi", "revision": "42"}},
-        }))
-        .await;
-    snapshot!(code, @"400 Bad Request");
-    snapshot!(response, @r###"
-    {
-      "message": "`.embedders.default`: Field `revision` unavailable for source `openAi` (only available for sources: `huggingFace`). Available fields: `source`, `model`, `apiKey`, `documentTemplate`, `dimensions`, `distribution`, `url`, `binaryQuantized`",
-      "code": "invalid_settings_embedders",
-      "type": "invalid_request",
-      "link": "https://docs.meilisearch.com/errors#invalid_settings_embedders"
-    }
-    "###);
-}
-
 #[actix_rt::test]
 async fn update_embedder() {
     let server = Server::new().await;

crates/meilitool/Cargo.toml

@@ -16,6 +16,5 @@ file-store = { path = "../file-store" }
 meilisearch-auth = { path = "../meilisearch-auth" }
 meilisearch-types = { path = "../meilisearch-types" }
 serde = { version = "1.0.209", features = ["derive"] }
-time = { version = "0.3.36", features = ["formatting", "parsing", "alloc"] }
+time = { version = "0.3.36", features = ["formatting"] }
 uuid = { version = "1.10.0", features = ["v4"], default-features = false }
-arroy_v04_to_v05 = { package = "arroy", git = "https://github.com/meilisearch/arroy/", tag = "DO-NOT-DELETE-upgrade-v04-to-v05" }

crates/meilitool/src/main.rs

@@ -2,7 +2,7 @@ use std::fs::{read_dir, read_to_string, remove_file, File};
 use std::io::BufWriter;
 use std::path::PathBuf;
 
-use anyhow::Context;
+use anyhow::{bail, Context};
 use clap::{Parser, Subcommand};
 use dump::{DumpWriter, IndexMetadata};
 use file_store::FileStore;
@@ -10,16 +10,15 @@ use meilisearch_auth::AuthController;
 use meilisearch_types::heed::types::{SerdeJson, Str};
 use meilisearch_types::heed::{Database, Env, EnvOpenOptions, RoTxn, RwTxn, Unspecified};
 use meilisearch_types::milli::documents::{obkv_to_object, DocumentsBatchReader};
+use meilisearch_types::milli::index::{db_name, main_key};
 use meilisearch_types::milli::{obkv_to_json, BEU32};
 use meilisearch_types::tasks::{Status, Task};
-use meilisearch_types::versioning::{get_version, parse_version};
+use meilisearch_types::versioning::{create_version_file, get_version, parse_version};
 use meilisearch_types::Index;
 use time::macros::format_description;
 use time::OffsetDateTime;
-use upgrade::OfflineUpgrade;
 use uuid_codec::UuidCodec;
 
-mod upgrade;
 mod uuid_codec;
 
 #[derive(Parser)]
@@ -73,7 +72,7 @@ enum Command {
     ///
     /// Supported upgrade paths:
     ///
-    /// - v1.9.x -> v1.10.x -> v1.11.x
+    /// - v1.9.0 -> v1.10.0
     OfflineUpgrade {
         #[arg(long)]
         target_version: String,
@@ -97,6 +96,425 @@ fn main() -> anyhow::Result<()> {
     }
 }
 
+struct OfflineUpgrade {
+    db_path: PathBuf,
+    current_version: (String, String, String),
+    target_version: (String, String, String),
+}
+
+impl OfflineUpgrade {
+    fn upgrade(self) -> anyhow::Result<()> {
+        // TODO: if we make this process support more versions, introduce a more flexible way of checking for the version
+        // currently only supports v1.9 to v1.10
+        let (current_major, current_minor, current_patch) = &self.current_version;
+
+        match (current_major.as_str(), current_minor.as_str(), current_patch.as_str()) {
+            ("1", "9", _) => {}
+            _ => {
+                bail!("Unsupported current version {current_major}.{current_minor}.{current_patch}. Can only upgrade from v1.9")
+            }
+        }
+
+        let (target_major, target_minor, target_patch) = &self.target_version;
+
+        match (target_major.as_str(), target_minor.as_str(), target_patch.as_str()) {
+            ("1", "10", _) => {}
+            _ => {
+                bail!("Unsupported target version {target_major}.{target_minor}.{target_patch}. Can only upgrade to v1.10")
+            }
+        }
+
+        println!("Upgrading from {current_major}.{current_minor}.{current_patch} to {target_major}.{target_minor}.{target_patch}");
+
+        self.v1_9_to_v1_10()?;
+
+        println!("Writing VERSION file");
+
+        create_version_file(&self.db_path, target_major, target_minor, target_patch)
+            .context("while writing VERSION file after the upgrade")?;
+
+        println!("Success");
+
+        Ok(())
+    }
+
+    fn v1_9_to_v1_10(&self) -> anyhow::Result<()> {
+        // 2 changes here
+
+        // 1. date format. needs to be done before opening the Index
+        // 2. REST embedders. We don't support this case right now, so bail
+
+        let index_scheduler_path = self.db_path.join("tasks");
+        let env = unsafe { EnvOpenOptions::new().max_dbs(100).open(&index_scheduler_path) }
+            .with_context(|| {
+                format!("While trying to open {:?}", index_scheduler_path.display())
+            })?;
+
+        let mut sched_wtxn = env.write_txn()?;
+
+        let index_mapping: Database<Str, UuidCodec> =
+            try_opening_database(&env, &sched_wtxn, "index-mapping")?;
+
+        let index_stats: Database<UuidCodec, Unspecified> =
+            try_opening_database(&env, &sched_wtxn, "index-stats").with_context(|| {
+                format!("While trying to open {:?}", index_scheduler_path.display())
+            })?;
+
+        let index_count =
+            index_mapping.len(&sched_wtxn).context("while reading the number of indexes")?;
+
+        // FIXME: not ideal, we have to pre-populate all indexes to prevent double borrow of sched_wtxn
+        // 1. immutably for the iteration
+        // 2. mutably for updating index stats
+        let indexes: Vec<_> = index_mapping
+            .iter(&sched_wtxn)?
+            .map(|res| res.map(|(uid, uuid)| (uid.to_owned(), uuid)))
+            .collect();
+
+        let mut rest_embedders = Vec::new();
+
+        let mut unwrapped_indexes = Vec::new();
+
+        // check that update can take place
+        for (index_index, result) in indexes.into_iter().enumerate() {
+            let (uid, uuid) = result?;
+            let index_path = self.db_path.join("indexes").join(uuid.to_string());
+
+            println!(
+                "[{}/{index_count}]Checking that update can take place for  `{uid}` at `{}`",
+                index_index + 1,
+                index_path.display()
+            );
+
+            let index_env = unsafe {
+                // FIXME: fetch the 25 magic number from the index file
+                EnvOpenOptions::new().max_dbs(25).open(&index_path).with_context(|| {
+                    format!("while opening index {uid} at '{}'", index_path.display())
+                })?
+            };
+
+            let index_txn = index_env.read_txn().with_context(|| {
+                format!(
+                    "while obtaining a write transaction for index {uid} at {}",
+                    index_path.display()
+                )
+            })?;
+
+            println!("\t- Checking for incompatible embedders (REST embedders)");
+            let rest_embedders_for_index = find_rest_embedders(&uid, &index_env, &index_txn)?;
+
+            if rest_embedders_for_index.is_empty() {
+                unwrapped_indexes.push((uid, uuid));
+            } else {
+                // no need to add to unwrapped indexes because we'll exit early
+                rest_embedders.push((uid, rest_embedders_for_index));
+            }
+        }
+
+        if !rest_embedders.is_empty() {
+            let rest_embedders = rest_embedders
+                .into_iter()
+                .flat_map(|(index, embedders)| std::iter::repeat(index.clone()).zip(embedders))
+                .map(|(index, embedder)| format!("\t- embedder `{embedder}` in index `{index}`"))
+                .collect::<Vec<_>>()
+                .join("\n");
+            bail!("The update cannot take place because there are REST embedder(s). Remove them before proceeding with the update:\n{rest_embedders}\n\n\
+            The database has not been modified and is still a valid v1.9 database.");
+        }
+
+        println!("Update can take place, updating");
+
+        for (index_index, (uid, uuid)) in unwrapped_indexes.into_iter().enumerate() {
+            let index_path = self.db_path.join("indexes").join(uuid.to_string());
+
+            println!(
+                "[{}/{index_count}]Updating index `{uid}` at `{}`",
+                index_index + 1,
+                index_path.display()
+            );
+
+            let index_env = unsafe {
+                // FIXME: fetch the 25 magic number from the index file
+                EnvOpenOptions::new().max_dbs(25).open(&index_path).with_context(|| {
+                    format!("while opening index {uid} at '{}'", index_path.display())
+                })?
+            };
+
+            let mut index_wtxn = index_env.write_txn().with_context(|| {
+                format!(
+                    "while obtaining a write transaction for index `{uid}` at `{}`",
+                    index_path.display()
+                )
+            })?;
+
+            println!("\t- Updating index stats");
+            update_index_stats(index_stats, &uid, uuid, &mut sched_wtxn)?;
+            println!("\t- Updating date format");
+            update_date_format(&uid, &index_env, &mut index_wtxn)?;
+
+            index_wtxn.commit().with_context(|| {
+                format!(
+                    "while committing the write txn for index `{uid}` at {}",
+                    index_path.display()
+                )
+            })?;
+        }
+
+        sched_wtxn.commit().context("while committing the write txn for the index-scheduler")?;
+
+        println!("Upgrading database succeeded");
+
+        Ok(())
+    }
+}
+
+pub mod v1_9 {
+    pub type FieldDistribution = std::collections::BTreeMap<String, u64>;
+
+    /// The statistics that can be computed from an `Index` object.
+    #[derive(serde::Serialize, serde::Deserialize, Debug)]
+    pub struct IndexStats {
+        /// Number of documents in the index.
+        pub number_of_documents: u64,
+        /// 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.
+        pub created_at: time::OffsetDateTime,
+        /// Date of the last update of the index.
+        pub updated_at: time::OffsetDateTime,
+    }
+
+    use serde::{Deserialize, Serialize};
+
+    #[derive(Debug, Deserialize, Serialize)]
+    pub struct IndexEmbeddingConfig {
+        pub name: String,
+        pub config: EmbeddingConfig,
+    }
+
+    #[derive(Debug, Clone, Default, serde::Deserialize, serde::Serialize)]
+    pub struct EmbeddingConfig {
+        /// Options of the embedder, specific to each kind of embedder
+        pub embedder_options: EmbedderOptions,
+    }
+
+    /// Options of an embedder, specific to each kind of embedder.
+    #[derive(Debug, Clone, Hash, PartialEq, Eq, serde::Deserialize, serde::Serialize)]
+    pub enum EmbedderOptions {
+        HuggingFace(hf::EmbedderOptions),
+        OpenAi(openai::EmbedderOptions),
+        Ollama(ollama::EmbedderOptions),
+        UserProvided(manual::EmbedderOptions),
+        Rest(rest::EmbedderOptions),
+    }
+
+    impl Default for EmbedderOptions {
+        fn default() -> Self {
+            Self::OpenAi(openai::EmbedderOptions { api_key: None, dimensions: None })
+        }
+    }
+
+    mod hf {
+        #[derive(Debug, Clone, Hash, PartialEq, Eq, serde::Deserialize, serde::Serialize)]
+        pub struct EmbedderOptions {
+            pub model: String,
+            pub revision: Option<String>,
+        }
+    }
+    mod openai {
+
+        #[derive(Debug, Clone, Hash, PartialEq, Eq, serde::Deserialize, serde::Serialize)]
+        pub struct EmbedderOptions {
+            pub api_key: Option<String>,
+            pub dimensions: Option<usize>,
+        }
+    }
+    mod ollama {
+        #[derive(Debug, Clone, Hash, PartialEq, Eq, serde::Deserialize, serde::Serialize)]
+        pub struct EmbedderOptions {
+            pub embedding_model: String,
+            pub url: Option<String>,
+            pub api_key: Option<String>,
+        }
+    }
+    mod manual {
+        #[derive(Debug, Clone, Hash, PartialEq, Eq, serde::Deserialize, serde::Serialize)]
+        pub struct EmbedderOptions {
+            pub dimensions: usize,
+        }
+    }
+    mod rest {
+        #[derive(Debug, Clone, PartialEq, Eq, serde::Deserialize, serde::Serialize, Hash)]
+        pub struct EmbedderOptions {
+            pub api_key: Option<String>,
+            pub dimensions: Option<usize>,
+            pub url: String,
+            pub input_field: Vec<String>,
+            // path to the array of embeddings
+            pub path_to_embeddings: Vec<String>,
+            // shape of a single embedding
+            pub embedding_object: Vec<String>,
+        }
+    }
+
+    pub type OffsetDateTime = time::OffsetDateTime;
+}
+
+pub mod v1_10 {
+    use crate::v1_9;
+
+    pub type FieldDistribution = std::collections::BTreeMap<String, u64>;
+
+    /// The statistics that can be computed from an `Index` object.
+    #[derive(serde::Serialize, serde::Deserialize, Debug)]
+    pub struct IndexStats {
+        /// Number of documents in the index.
+        pub number_of_documents: u64,
+        /// 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.
+        #[serde(with = "time::serde::rfc3339")]
+        pub created_at: time::OffsetDateTime,
+        /// Date of the last update of the index.
+        #[serde(with = "time::serde::rfc3339")]
+        pub updated_at: time::OffsetDateTime,
+    }
+
+    impl From<v1_9::IndexStats> for IndexStats {
+        fn from(
+            v1_9::IndexStats {
+                number_of_documents,
+                database_size,
+                used_database_size,
+                field_distribution,
+                created_at,
+                updated_at,
+            }: v1_9::IndexStats,
+        ) -> Self {
+            IndexStats {
+                number_of_documents,
+                database_size,
+                used_database_size,
+                field_distribution,
+                created_at,
+                updated_at,
+            }
+        }
+    }
+
+    #[derive(serde::Serialize, serde::Deserialize)]
+    #[serde(transparent)]
+    pub struct OffsetDateTime(#[serde(with = "time::serde::rfc3339")] pub time::OffsetDateTime);
+}
+
+fn update_index_stats(
+    index_stats: Database<UuidCodec, Unspecified>,
+    index_uid: &str,
+    index_uuid: uuid::Uuid,
+    sched_wtxn: &mut RwTxn,
+) -> anyhow::Result<()> {
+    let ctx = || format!("while updating index stats for index `{index_uid}`");
+
+    let stats: Option<v1_9::IndexStats> = index_stats
+        .remap_data_type::<SerdeJson<v1_9::IndexStats>>()
+        .get(sched_wtxn, &index_uuid)
+        .with_context(ctx)?;
+
+    if let Some(stats) = stats {
+        let stats: v1_10::IndexStats = stats.into();
+
+        index_stats
+            .remap_data_type::<SerdeJson<v1_10::IndexStats>>()
+            .put(sched_wtxn, &index_uuid, &stats)
+            .with_context(ctx)?;
+    }
+
+    Ok(())
+}
+
+fn update_date_format(
+    index_uid: &str,
+    index_env: &Env,
+    index_wtxn: &mut RwTxn,
+) -> anyhow::Result<()> {
+    let main = try_opening_poly_database(index_env, index_wtxn, db_name::MAIN)
+        .with_context(|| format!("while updating date format for index `{index_uid}`"))?;
+
+    date_round_trip(index_wtxn, index_uid, main, main_key::CREATED_AT_KEY)?;
+    date_round_trip(index_wtxn, index_uid, main, main_key::UPDATED_AT_KEY)?;
+
+    Ok(())
+}
+
+fn find_rest_embedders(
+    index_uid: &str,
+    index_env: &Env,
+    index_txn: &RoTxn,
+) -> anyhow::Result<Vec<String>> {
+    let main = try_opening_poly_database(index_env, index_txn, db_name::MAIN)
+        .with_context(|| format!("while checking REST embedders for index `{index_uid}`"))?;
+
+    let mut rest_embedders = vec![];
+
+    for config in main
+        .remap_types::<Str, SerdeJson<Vec<v1_9::IndexEmbeddingConfig>>>()
+        .get(index_txn, main_key::EMBEDDING_CONFIGS)?
+        .unwrap_or_default()
+    {
+        if let v1_9::EmbedderOptions::Rest(_) = config.config.embedder_options {
+            rest_embedders.push(config.name);
+        }
+    }
+
+    Ok(rest_embedders)
+}
+
+fn date_round_trip(
+    wtxn: &mut RwTxn,
+    index_uid: &str,
+    db: Database<Unspecified, Unspecified>,
+    key: &str,
+) -> anyhow::Result<()> {
+    let datetime =
+        db.remap_types::<Str, SerdeJson<v1_9::OffsetDateTime>>().get(wtxn, key).with_context(
+            || format!("could not read `{key}` while updating date format for index `{index_uid}`"),
+        )?;
+
+    if let Some(datetime) = datetime {
+        db.remap_types::<Str, SerdeJson<v1_10::OffsetDateTime>>()
+            .put(wtxn, key, &v1_10::OffsetDateTime(datetime))
+            .with_context(|| {
+                format!(
+                    "could not write `{key}` while updating date format for index `{index_uid}`"
+                )
+            })?;
+    }
+
+    Ok(())
+}
+
 /// Clears the task queue located at `db_path`.
 fn clear_task_queue(db_path: PathBuf) -> anyhow::Result<()> {
     let path = db_path.join("tasks");

crates/meilitool/src/upgrade/mod.rs

@@ -1,73 +0,0 @@
-mod v1_10;
-mod v1_11;
-mod v1_9;
-
-use std::path::{Path, PathBuf};
-
-use anyhow::{bail, Context};
-use meilisearch_types::versioning::create_version_file;
-
-use v1_10::v1_9_to_v1_10;
-
-use crate::upgrade::v1_11::v1_10_to_v1_11;
-
-pub struct OfflineUpgrade {
-    pub db_path: PathBuf,
-    pub current_version: (String, String, String),
-    pub target_version: (String, String, String),
-}
-
-impl OfflineUpgrade {
-    pub fn upgrade(self) -> anyhow::Result<()> {
-        let upgrade_list = [
-            (v1_9_to_v1_10 as fn(&Path) -> Result<(), anyhow::Error>, "1", "10", "0"),
-            (v1_10_to_v1_11, "1", "11", "0"),
-        ];
-
-        let (current_major, current_minor, current_patch) = &self.current_version;
-
-        let start_at = match (
-            current_major.as_str(),
-            current_minor.as_str(),
-            current_patch.as_str(),
-        ) {
-            ("1", "9", _) => 0,
-            ("1", "10", _) => 1,
-            _ => {
-                bail!("Unsupported current version {current_major}.{current_minor}.{current_patch}. Can only upgrade from v1.9 and v1.10")
-            }
-        };
-
-        let (target_major, target_minor, target_patch) = &self.target_version;
-
-        let ends_at = match (target_major.as_str(), target_minor.as_str(), target_patch.as_str()) {
-            ("1", "10", _) => 0,
-            ("1", "11", _) => 1,
-            (major, _, _) if major.starts_with('v') => {
-                bail!("Target version must not starts with a `v`. Instead of writing `v1.9.0` write `1.9.0` for example.")
-            }
-            _ => {
-                bail!("Unsupported target version {target_major}.{target_minor}.{target_patch}. Can only upgrade to v1.10 and v1.11")
-            }
-        };
-
-        println!("Starting the upgrade from {current_major}.{current_minor}.{current_patch} to {target_major}.{target_minor}.{target_patch}");
-
-        #[allow(clippy::needless_range_loop)]
-        for index in start_at..=ends_at {
-            let (func, major, minor, patch) = upgrade_list[index];
-            (func)(&self.db_path)?;
-            println!("Done");
-            // We're writing the version file just in case an issue arise _while_ upgrading.
-            // We don't want the DB to fail in an unknown state.
-            println!("Writing VERSION file");
-
-            create_version_file(&self.db_path, major, minor, patch)
-                .context("while writing VERSION file after the upgrade")?;
-        }
-
-        println!("Success");
-
-        Ok(())
-    }
-}

crates/meilitool/src/upgrade/v1_10.rs

@@ -1,289 +0,0 @@
-use anyhow::bail;
-use std::path::Path;
-
-use anyhow::Context;
-use meilisearch_types::{
-    heed::{
-        types::{SerdeJson, Str},
-        Database, Env, EnvOpenOptions, RoTxn, RwTxn, Unspecified,
-    },
-    milli::index::{db_name, main_key},
-};
-
-use crate::{try_opening_database, try_opening_poly_database, uuid_codec::UuidCodec};
-
-use super::v1_9;
-
-pub type FieldDistribution = std::collections::BTreeMap<String, u64>;
-
-/// The statistics that can be computed from an `Index` object.
-#[derive(serde::Serialize, serde::Deserialize, Debug)]
-pub struct IndexStats {
-    /// Number of documents in the index.
-    pub number_of_documents: u64,
-    /// 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.
-    #[serde(with = "time::serde::rfc3339")]
-    pub created_at: time::OffsetDateTime,
-    /// Date of the last update of the index.
-    #[serde(with = "time::serde::rfc3339")]
-    pub updated_at: time::OffsetDateTime,
-}
-
-impl From<v1_9::IndexStats> for IndexStats {
-    fn from(
-        v1_9::IndexStats {
-            number_of_documents,
-            database_size,
-            used_database_size,
-            field_distribution,
-            created_at,
-            updated_at,
-        }: v1_9::IndexStats,
-    ) -> Self {
-        IndexStats {
-            number_of_documents,
-            database_size,
-            used_database_size,
-            field_distribution,
-            created_at: created_at.0,
-            updated_at: updated_at.0,
-        }
-    }
-}
-
-#[derive(serde::Serialize, serde::Deserialize)]
-#[serde(transparent)]
-pub struct OffsetDateTime(#[serde(with = "time::serde::rfc3339")] pub time::OffsetDateTime);
-
-fn update_index_stats(
-    index_stats: Database<UuidCodec, Unspecified>,
-    index_uid: &str,
-    index_uuid: uuid::Uuid,
-    sched_wtxn: &mut RwTxn,
-) -> anyhow::Result<()> {
-    let ctx = || format!("while updating index stats for index `{index_uid}`");
-
-    let stats: Option<&str> = index_stats
-        .remap_data_type::<Str>()
-        .get(sched_wtxn, &index_uuid)
-        .with_context(ctx)
-        .with_context(|| "While reading value")?;
-    dbg!(stats);
-
-    let stats: Option<v1_9::IndexStats> = index_stats
-        .remap_data_type::<SerdeJson<v1_9::IndexStats>>()
-        .get(sched_wtxn, &index_uuid)
-        .with_context(ctx)
-        .with_context(|| "While reading value")?;
-
-    if let Some(stats) = stats {
-        let stats: self::IndexStats = stats.into();
-
-        index_stats
-            .remap_data_type::<SerdeJson<self::IndexStats>>()
-            .put(sched_wtxn, &index_uuid, &stats)
-            .with_context(ctx)
-            .with_context(|| "While writing value")?;
-    }
-
-    Ok(())
-}
-
-fn update_date_format(
-    index_uid: &str,
-    index_env: &Env,
-    index_wtxn: &mut RwTxn,
-) -> anyhow::Result<()> {
-    let main = try_opening_poly_database(index_env, index_wtxn, db_name::MAIN)
-        .with_context(|| format!("while updating date format for index `{index_uid}`"))?;
-
-    date_round_trip(index_wtxn, index_uid, main, main_key::CREATED_AT_KEY)?;
-    date_round_trip(index_wtxn, index_uid, main, main_key::UPDATED_AT_KEY)?;
-
-    Ok(())
-}
-
-fn find_rest_embedders(
-    index_uid: &str,
-    index_env: &Env,
-    index_txn: &RoTxn,
-) -> anyhow::Result<Vec<String>> {
-    let main = try_opening_poly_database(index_env, index_txn, db_name::MAIN)
-        .with_context(|| format!("while checking REST embedders for index `{index_uid}`"))?;
-
-    let mut rest_embedders = vec![];
-
-    for config in main
-        .remap_types::<Str, SerdeJson<Vec<v1_9::IndexEmbeddingConfig>>>()
-        .get(index_txn, main_key::EMBEDDING_CONFIGS)?
-        .unwrap_or_default()
-    {
-        if let v1_9::EmbedderOptions::Rest(_) = config.config.embedder_options {
-            rest_embedders.push(config.name);
-        }
-    }
-
-    Ok(rest_embedders)
-}
-
-fn date_round_trip(
-    wtxn: &mut RwTxn,
-    index_uid: &str,
-    db: Database<Unspecified, Unspecified>,
-    key: &str,
-) -> anyhow::Result<()> {
-    let datetime =
-        db.remap_types::<Str, SerdeJson<v1_9::LegacyDateTime>>().get(wtxn, key).with_context(
-            || format!("could not read `{key}` while updating date format for index `{index_uid}`"),
-        )?;
-
-    if let Some(datetime) = datetime {
-        db.remap_types::<Str, SerdeJson<self::OffsetDateTime>>()
-            .put(wtxn, key, &self::OffsetDateTime(datetime.0))
-            .with_context(|| {
-                format!(
-                    "could not write `{key}` while updating date format for index `{index_uid}`"
-                )
-            })?;
-    }
-
-    Ok(())
-}
-
-pub fn v1_9_to_v1_10(db_path: &Path) -> anyhow::Result<()> {
-    println!("Upgrading from v1.9.0 to v1.10.0");
-    // 2 changes here
-
-    // 1. date format. needs to be done before opening the Index
-    // 2. REST embedders. We don't support this case right now, so bail
-
-    let index_scheduler_path = db_path.join("tasks");
-    let env = unsafe { EnvOpenOptions::new().max_dbs(100).open(&index_scheduler_path) }
-        .with_context(|| format!("While trying to open {:?}", index_scheduler_path.display()))?;
-
-    let mut sched_wtxn = env.write_txn()?;
-
-    let index_mapping: Database<Str, UuidCodec> =
-        try_opening_database(&env, &sched_wtxn, "index-mapping")?;
-
-    let index_stats: Database<UuidCodec, Unspecified> =
-        try_opening_database(&env, &sched_wtxn, "index-stats").with_context(|| {
-            format!("While trying to open {:?}", index_scheduler_path.display())
-        })?;
-
-    let index_count =
-        index_mapping.len(&sched_wtxn).context("while reading the number of indexes")?;
-
-    // FIXME: not ideal, we have to pre-populate all indexes to prevent double borrow of sched_wtxn
-    // 1. immutably for the iteration
-    // 2. mutably for updating index stats
-    let indexes: Vec<_> = index_mapping
-        .iter(&sched_wtxn)?
-        .map(|res| res.map(|(uid, uuid)| (uid.to_owned(), uuid)))
-        .collect();
-
-    let mut rest_embedders = Vec::new();
-
-    let mut unwrapped_indexes = Vec::new();
-
-    // check that update can take place
-    for (index_index, result) in indexes.into_iter().enumerate() {
-        let (uid, uuid) = result?;
-        let index_path = db_path.join("indexes").join(uuid.to_string());
-
-        println!(
-            "[{}/{index_count}]Checking that update can take place for  `{uid}` at `{}`",
-            index_index + 1,
-            index_path.display()
-        );
-
-        let index_env = unsafe {
-            // FIXME: fetch the 25 magic number from the index file
-            EnvOpenOptions::new().max_dbs(25).open(&index_path).with_context(|| {
-                format!("while opening index {uid} at '{}'", index_path.display())
-            })?
-        };
-
-        let index_txn = index_env.read_txn().with_context(|| {
-            format!(
-                "while obtaining a write transaction for index {uid} at {}",
-                index_path.display()
-            )
-        })?;
-
-        println!("\t- Checking for incompatible embedders (REST embedders)");
-        let rest_embedders_for_index = find_rest_embedders(&uid, &index_env, &index_txn)?;
-
-        if rest_embedders_for_index.is_empty() {
-            unwrapped_indexes.push((uid, uuid));
-        } else {
-            // no need to add to unwrapped indexes because we'll exit early
-            rest_embedders.push((uid, rest_embedders_for_index));
-        }
-    }
-
-    if !rest_embedders.is_empty() {
-        let rest_embedders = rest_embedders
-            .into_iter()
-            .flat_map(|(index, embedders)| std::iter::repeat(index.clone()).zip(embedders))
-            .map(|(index, embedder)| format!("\t- embedder `{embedder}` in index `{index}`"))
-            .collect::<Vec<_>>()
-            .join("\n");
-        bail!("The update cannot take place because there are REST embedder(s). Remove them before proceeding with the update:\n{rest_embedders}\n\n\
-            The database has not been modified and is still a valid v1.9 database.");
-    }
-
-    println!("Update can take place, updating");
-
-    for (index_index, (uid, uuid)) in unwrapped_indexes.into_iter().enumerate() {
-        let index_path = db_path.join("indexes").join(uuid.to_string());
-
-        println!(
-            "[{}/{index_count}]Updating index `{uid}` at `{}`",
-            index_index + 1,
-            index_path.display()
-        );
-
-        let index_env = unsafe {
-            // FIXME: fetch the 25 magic number from the index file
-            EnvOpenOptions::new().max_dbs(25).open(&index_path).with_context(|| {
-                format!("while opening index {uid} at '{}'", index_path.display())
-            })?
-        };
-
-        let mut index_wtxn = index_env.write_txn().with_context(|| {
-            format!(
-                "while obtaining a write transaction for index `{uid}` at `{}`",
-                index_path.display()
-            )
-        })?;
-
-        println!("\t- Updating index stats");
-        update_index_stats(index_stats, &uid, uuid, &mut sched_wtxn)?;
-        println!("\t- Updating date format");
-        update_date_format(&uid, &index_env, &mut index_wtxn)?;
-
-        index_wtxn.commit().with_context(|| {
-            format!("while committing the write txn for index `{uid}` at {}", index_path.display())
-        })?;
-    }
-
-    sched_wtxn.commit().context("while committing the write txn for the index-scheduler")?;
-
-    println!("Upgrading database succeeded");
-
-    Ok(())
-}

crates/meilitool/src/upgrade/v1_11.rs

@@ -1,85 +0,0 @@
-//! The breaking changes that happened between the v1.10 and the v1.11 are:
-//! - Arroy went from the v0.4.0 to the v0.5.0, see this release note to get the whole context: https://github.com/meilisearch/arroy/releases/tag/v0.5.0
-//!   - The `angular` distance has been renamed to `cosine` => We only need to update the string in the metadata.
-//!   - Reorganize the `NodeId` to make the appending of vectors work => We'll have to update the keys of almost all items in the DB.
-//!   - Store the list of updated IDs directly in LMDB instead of a roaring bitmap => This shouldn't be an issue since we are never supposed to commit this roaring bitmap, but it's not forbidden by arroy so ensuring it works is probably better than anything.
-
-use std::path::Path;
-
-use anyhow::Context;
-use meilisearch_types::{
-    heed::{types::Str, Database, EnvOpenOptions},
-    milli::index::db_name,
-};
-
-use crate::{try_opening_database, try_opening_poly_database, uuid_codec::UuidCodec};
-
-pub fn v1_10_to_v1_11(db_path: &Path) -> anyhow::Result<()> {
-    println!("Upgrading from v1.10.0 to v1.11.0");
-
-    let index_scheduler_path = db_path.join("tasks");
-    let env = unsafe { EnvOpenOptions::new().max_dbs(100).open(&index_scheduler_path) }
-        .with_context(|| format!("While trying to open {:?}", index_scheduler_path.display()))?;
-
-    let sched_rtxn = env.read_txn()?;
-
-    let index_mapping: Database<Str, UuidCodec> =
-        try_opening_database(&env, &sched_rtxn, "index-mapping")?;
-
-    let index_count =
-        index_mapping.len(&sched_rtxn).context("while reading the number of indexes")?;
-
-    let indexes: Vec<_> = index_mapping
-        .iter(&sched_rtxn)?
-        .map(|res| res.map(|(uid, uuid)| (uid.to_owned(), uuid)))
-        .collect();
-
-    for (index_index, result) in indexes.into_iter().enumerate() {
-        let (uid, uuid) = result?;
-        let index_path = db_path.join("indexes").join(uuid.to_string());
-
-        println!(
-            "[{}/{index_count}]Updating embeddings for `{uid}` at `{}`",
-            index_index + 1,
-            index_path.display()
-        );
-
-        let index_env = unsafe {
-            EnvOpenOptions::new().max_dbs(25).open(&index_path).with_context(|| {
-                format!("while opening index {uid} at '{}'", index_path.display())
-            })?
-        };
-
-        let index_rtxn = index_env.read_txn().with_context(|| {
-            format!(
-                "while obtaining a read transaction for index {uid} at {}",
-                index_path.display()
-            )
-        })?;
-        let index_read_database =
-            try_opening_poly_database(&index_env, &index_rtxn, db_name::VECTOR_ARROY)
-                .with_context(|| format!("while updating date format for index `{uid}`"))?;
-
-        let mut index_wtxn = index_env.write_txn().with_context(|| {
-            format!(
-                "while obtaining a write transaction for index {uid} at {}",
-                index_path.display()
-            )
-        })?;
-
-        let index_write_database =
-            try_opening_poly_database(&index_env, &index_wtxn, db_name::VECTOR_ARROY)
-                .with_context(|| format!("while updating date format for index `{uid}`"))?;
-
-        arroy_v04_to_v05::ugrade_from_prev_version(
-            &index_rtxn,
-            index_read_database,
-            &mut index_wtxn,
-            index_write_database,
-        )?;
-
-        index_wtxn.commit()?;
-    }
-
-    Ok(())
-}

crates/meilitool/src/upgrade/v1_9.rs

@@ -1,158 +0,0 @@
-use serde::{Deserialize, Serialize};
-use time::{Date, OffsetDateTime, Time, UtcOffset};
-
-pub type FieldDistribution = std::collections::BTreeMap<String, u64>;
-
-/// The statistics that can be computed from an `Index` object.
-#[derive(serde::Deserialize, Debug)]
-pub struct IndexStats {
-    /// Number of documents in the index.
-    pub number_of_documents: u64,
-    /// 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.
-    pub created_at: LegacyDateTime,
-    /// Date of the last update of the index.
-    pub updated_at: LegacyDateTime,
-}
-
-#[derive(Debug, Deserialize, Serialize)]
-pub struct IndexEmbeddingConfig {
-    pub name: String,
-    pub config: EmbeddingConfig,
-}
-
-#[derive(Debug, Clone, Default, serde::Deserialize, serde::Serialize)]
-pub struct EmbeddingConfig {
-    /// Options of the embedder, specific to each kind of embedder
-    pub embedder_options: EmbedderOptions,
-}
-
-/// Options of an embedder, specific to each kind of embedder.
-#[derive(Debug, Clone, Hash, PartialEq, Eq, serde::Deserialize, serde::Serialize)]
-pub enum EmbedderOptions {
-    HuggingFace(hf::EmbedderOptions),
-    OpenAi(openai::EmbedderOptions),
-    Ollama(ollama::EmbedderOptions),
-    UserProvided(manual::EmbedderOptions),
-    Rest(rest::EmbedderOptions),
-}
-
-impl Default for EmbedderOptions {
-    fn default() -> Self {
-        Self::OpenAi(openai::EmbedderOptions { api_key: None, dimensions: None })
-    }
-}
-
-mod hf {
-    #[derive(Debug, Clone, Hash, PartialEq, Eq, serde::Deserialize, serde::Serialize)]
-    pub struct EmbedderOptions {
-        pub model: String,
-        pub revision: Option<String>,
-    }
-}
-mod openai {
-
-    #[derive(Debug, Clone, Hash, PartialEq, Eq, serde::Deserialize, serde::Serialize)]
-    pub struct EmbedderOptions {
-        pub api_key: Option<String>,
-        pub dimensions: Option<usize>,
-    }
-}
-mod ollama {
-    #[derive(Debug, Clone, Hash, PartialEq, Eq, serde::Deserialize, serde::Serialize)]
-    pub struct EmbedderOptions {
-        pub embedding_model: String,
-        pub url: Option<String>,
-        pub api_key: Option<String>,
-    }
-}
-mod manual {
-    #[derive(Debug, Clone, Hash, PartialEq, Eq, serde::Deserialize, serde::Serialize)]
-    pub struct EmbedderOptions {
-        pub dimensions: usize,
-    }
-}
-mod rest {
-    #[derive(Debug, Clone, PartialEq, Eq, serde::Deserialize, serde::Serialize, Hash)]
-    pub struct EmbedderOptions {
-        pub api_key: Option<String>,
-        pub dimensions: Option<usize>,
-        pub url: String,
-        pub input_field: Vec<String>,
-        // path to the array of embeddings
-        pub path_to_embeddings: Vec<String>,
-        // shape of a single embedding
-        pub embedding_object: Vec<String>,
-    }
-}
-
-/// A datetime from Meilisearch v1.9 with an unspecified format.
-#[derive(Debug)]
-pub struct LegacyDateTime(pub OffsetDateTime);
-
-impl<'de> Deserialize<'de> for LegacyDateTime {
-    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
-    where
-        D: serde::Deserializer<'de>,
-    {
-        struct Visitor;
-        impl<'de> serde::de::Visitor<'de> for Visitor {
-            type Value = OffsetDateTime;
-
-            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
-                write!(formatter, "a valid datetime")
-            }
-
-            // Comes from a binary. The legacy format is:
-            // 2024-11-04 13:32:08.48368 +00:00:00
-            fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
-            where
-                E: serde::de::Error,
-            {
-                let format = time::macros::format_description!("[year]-[month]-[day] [hour]:[minute]:[second].[subsecond] [offset_hour sign:mandatory]:[offset_minute]:[offset_second]");
-                OffsetDateTime::parse(v, format).map_err(E::custom)
-            }
-
-            // Comes from the docker image, the legacy format is:
-            // [2024,        309,     17,     15,   1, 698184971, 0,0,0]
-            // year,  day in year,  hour, minute, sec, subsec   , offset stuff
-            fn visit_seq<A>(self, mut seq: A) -> Result<Self::Value, A::Error>
-            where
-                A: serde::de::SeqAccess<'de>,
-            {
-                let mut vec = Vec::new();
-                // We must deserialize the value as `i64` because the largest values are `u32` and `i32`
-                while let Some(el) = seq.next_element::<i64>()? {
-                    vec.push(el);
-                }
-                if vec.len() != 9 {
-                    return Err(serde::de::Error::custom(format!(
-                        "Invalid datetime, received an array of {} elements instead of 9",
-                        vec.len()
-                    )));
-                }
-                Ok(OffsetDateTime::new_in_offset(
-                    Date::from_ordinal_date(vec[0] as i32, vec[1] as u16)
-                        .map_err(serde::de::Error::custom)?,
-                    Time::from_hms_nano(vec[2] as u8, vec[3] as u8, vec[4] as u8, vec[5] as u32)
-                        .map_err(serde::de::Error::custom)?,
-                    UtcOffset::from_hms(vec[6] as i8, vec[7] as i8, vec[8] as i8)
-                        .map_err(serde::de::Error::custom)?,
-                ))
-            }
-        }
-        deserializer.deserialize_any(Visitor).map(LegacyDateTime)
-    }
-}

crates/milli/Cargo.toml

@@ -15,7 +15,7 @@ license.workspace = true
 bimap = { version = "0.6.3", features = ["serde"] }
 bincode = "1.3.3"
 bstr = "1.9.1"
-bytemuck = { version = "1.18.0", features = ["extern_crate_alloc"] }
+bytemuck = { version = "1.16.1", features = ["extern_crate_alloc"] }
 byteorder = "1.5.0"
 charabia = { version = "0.9.1", default-features = false }
 concat-arrays = "0.1.2"
@@ -79,8 +79,8 @@ hf-hub = { git = "https://github.com/dureuill/hf-hub.git", branch = "rust_tls",
 ] }
 tiktoken-rs = "0.5.9"
 liquid = "0.26.6"
-rhai = { git = "https://github.com/rhaiscript/rhai", rev = "ef3df63121d27aacd838f366f2b83fd65f20a1e4", features = ["serde", "no_module", "no_custom_syntax", "no_time", "sync"] }
-arroy = "0.5.0"
+rhai = { version = "1.19.0", features = ["serde", "no_module", "no_custom_syntax", "no_time", "sync"] }
+arroy = { git = "https://github.com/meilisearch/arroy/", rev = "2386594dfb009ce08821a925ccc89fb8e30bf73d" }
 rand = "0.8.5"
 tracing = "0.1.40"
 ureq = { version = "2.10.0", features = ["json"] }
@@ -98,7 +98,16 @@ rand = { version = "0.8.5", features = ["small_rng"] }
 
 [features]
 all-tokenizations = [
-    "charabia/default",
+    "charabia/chinese",
+    "charabia/hebrew",
+    "charabia/japanese",
+    "charabia/thai",
+    "charabia/korean",
+    "charabia/greek",
+    "charabia/khmer",
+    "charabia/vietnamese",
+    "charabia/swedish-recomposition",
+    "charabia/german-segmentation",
 ]
 
 # Use POSIX semaphores instead of SysV semaphores in LMDB
@@ -137,8 +146,5 @@ german = ["charabia/german-segmentation"]
 # force swedish character recomposition
 swedish-recomposition = ["charabia/swedish-recomposition"]
 
-# allow turkish specialized tokenization
-turkish = ["charabia/turkish"]
-
 # allow CUDA support, see <https://github.com/meilisearch/meilisearch/issues/4306>
 cuda = ["candle-core/cuda"]

crates/milli/src/error.rs

@@ -298,7 +298,6 @@ impl From<arroy::Error> for Error {
             arroy::Error::InvalidVecDimension { expected, received } => {
                 Error::UserError(UserError::InvalidVectorDimensions { expected, found: received })
             }
-            arroy::Error::BuildCancelled => Error::InternalError(InternalError::AbortedIndexation),
             arroy::Error::DatabaseFull
             | arroy::Error::InvalidItemAppend
             | arroy::Error::UnmatchingDistance { .. }

crates/milli/src/index.rs

@@ -1610,6 +1610,24 @@ impl Index {
             .unwrap_or_default())
     }
 
+    pub fn arroy_readers<'a>(
+        &'a self,
+        rtxn: &'a RoTxn<'a>,
+        embedder_id: u8,
+        quantized: bool,
+    ) -> impl Iterator<Item = Result<ArroyWrapper>> + 'a {
+        crate::vector::arroy_db_range_for_embedder(embedder_id).map_while(move |k| {
+            let reader = ArroyWrapper::new(self.vector_arroy, k, quantized);
+            // Here we don't care about the dimensions, but we want to know if we can read
+            // in the database or if its metadata are missing because there is no document with that many vectors.
+            match reader.dimensions(rtxn) {
+                Ok(_) => Some(Ok(reader)),
+                Err(arroy::Error::MissingMetadata(_)) => None,
+                Err(e) => Some(Err(e.into())),
+            }
+        })
+    }
+
     pub(crate) fn put_search_cutoff(&self, wtxn: &mut RwTxn<'_>, cutoff: u64) -> heed::Result<()> {
         self.main.remap_types::<Str, BEU64>().put(wtxn, main_key::SEARCH_CUTOFF, &cutoff)
     }
@@ -1631,9 +1649,14 @@ impl Index {
         let embedding_configs = self.embedding_configs(rtxn)?;
         for config in embedding_configs {
             let embedder_id = self.embedder_category_id.get(rtxn, &config.name)?.unwrap();
-            let reader =
-                ArroyWrapper::new(self.vector_arroy, embedder_id, config.config.quantized());
-            let embeddings = reader.item_vectors(rtxn, docid)?;
+            let embeddings = self
+                .arroy_readers(rtxn, embedder_id, config.config.quantized())
+                .map_while(|reader| {
+                    reader
+                        .and_then(|r| r.item_vector(rtxn, docid).map_err(|e| e.into()))
+                        .transpose()
+                })
+                .collect::<Result<Vec<_>>>()?;
             res.insert(config.name.to_owned(), embeddings);
         }
         Ok(res)

crates/milli/src/search/new/matches/best_match_interval.rs

@@ -1,139 +0,0 @@
-use super::matching_words::WordId;
-use super::{Match, MatchPosition};
-
-struct MatchIntervalWithScore {
-    interval: [usize; 2],
-    score: [i16; 3],
-}
-
-// count score for phrases
-fn tally_phrase_scores(fwp: &usize, lwp: &usize, order_score: &mut i16, distance_score: &mut i16) {
-    let words_in_phrase_minus_one = (lwp - fwp) as i16;
-    // will always be ordered, so +1 for each space between words
-    *order_score += words_in_phrase_minus_one;
-    // distance will always be 1, so -1 for each space between words
-    *distance_score -= words_in_phrase_minus_one;
-}
-
-/// Compute the score of a match interval:
-/// 1) count unique matches
-/// 2) calculate distance between matches
-/// 3) count ordered matches
-fn get_interval_score(matches: &[Match]) -> [i16; 3] {
-    let mut ids: Vec<WordId> = Vec::with_capacity(matches.len());
-    let mut order_score = 0;
-    let mut distance_score = 0;
-
-    let mut iter = matches.iter().peekable();
-    while let Some(m) = iter.next() {
-        if let Some(next_match) = iter.peek() {
-            // if matches are ordered
-            if next_match.ids.iter().min() > m.ids.iter().min() {
-                order_score += 1;
-            }
-
-            let m_last_word_pos = match m.position {
-                MatchPosition::Word { word_position, .. } => word_position,
-                MatchPosition::Phrase { word_positions: [fwp, lwp], .. } => {
-                    tally_phrase_scores(&fwp, &lwp, &mut order_score, &mut distance_score);
-                    lwp
-                }
-            };
-            let next_match_first_word_pos = next_match.get_first_word_pos();
-
-            // compute distance between matches
-            distance_score -= (next_match_first_word_pos - m_last_word_pos).min(7) as i16;
-        } else if let MatchPosition::Phrase { word_positions: [fwp, lwp], .. } = m.position {
-            // in case last match is a phrase, count score for its words
-            tally_phrase_scores(&fwp, &lwp, &mut order_score, &mut distance_score);
-        }
-
-        ids.extend(m.ids.iter());
-    }
-
-    ids.sort_unstable();
-    ids.dedup();
-    let uniq_score = ids.len() as i16;
-
-    // rank by unique match count, then by distance between matches, then by ordered match count.
-    [uniq_score, distance_score, order_score]
-}
-
-/// Returns the first and last match where the score computed by match_interval_score is the best.
-pub fn find_best_match_interval(matches: &[Match], crop_size: usize) -> [&Match; 2] {
-    if matches.is_empty() {
-        panic!("`matches` should not be empty at this point");
-    }
-
-    // positions of the first and the last match of the best matches interval in `matches`.
-    let mut best_interval: Option<MatchIntervalWithScore> = None;
-
-    let mut save_best_interval = |interval_first, interval_last| {
-        let interval_score = get_interval_score(&matches[interval_first..=interval_last]);
-        let is_interval_score_better = &best_interval
-            .as_ref()
-            .map_or(true, |MatchIntervalWithScore { score, .. }| interval_score > *score);
-
-        if *is_interval_score_better {
-            best_interval = Some(MatchIntervalWithScore {
-                interval: [interval_first, interval_last],
-                score: interval_score,
-            });
-        }
-    };
-
-    // we compute the matches interval if we have at least 2 matches.
-    // current interval positions.
-    let mut interval_first = 0;
-    let mut interval_first_match_first_word_pos = matches[interval_first].get_first_word_pos();
-
-    for (index, next_match) in matches.iter().enumerate() {
-        // if next match would make interval gross more than crop_size,
-        // we compare the current interval with the best one,
-        // then we increase `interval_first` until next match can be added.
-        let next_match_last_word_pos = next_match.get_last_word_pos();
-
-        // if the next match would mean that we pass the crop size window,
-        // we take the last valid match, that didn't pass this boundry, which is `index` - 1,
-        // and calculate a score for it, and check if it's better than our best so far
-        if next_match_last_word_pos - interval_first_match_first_word_pos >= crop_size {
-            // if index is 0 there is no last viable match
-            if index != 0 {
-                let interval_last = index - 1;
-                // keep interval if it's the best
-                save_best_interval(interval_first, interval_last);
-            }
-
-            // advance start of the interval while interval is longer than crop_size.
-            loop {
-                interval_first += 1;
-                if interval_first == matches.len() {
-                    interval_first -= 1;
-                    break;
-                }
-
-                interval_first_match_first_word_pos = matches[interval_first].get_first_word_pos();
-
-                if interval_first_match_first_word_pos > next_match_last_word_pos
-                    || next_match_last_word_pos - interval_first_match_first_word_pos < crop_size
-                {
-                    break;
-                }
-            }
-        }
-    }
-
-    // compute the last interval score and compare it to the best one.
-    let interval_last = matches.len() - 1;
-    // if it's the last match with itself, we need to make sure it's
-    // not a phrase longer than the crop window
-    if interval_first != interval_last || matches[interval_first].get_word_count() < crop_size {
-        save_best_interval(interval_first, interval_last);
-    }
-
-    // if none of the matches fit the criteria above, default to the first one
-    best_interval.map_or(
-        [&matches[0], &matches[0]],
-        |MatchIntervalWithScore { interval: [first, last], .. }| [&matches[first], &matches[last]],
-    )
-}

crates/milli/src/search/new/matches/match.rs

@@ -1,62 +0,0 @@
-use super::matching_words::WordId;
-
-#[derive(Clone, Debug)]
-pub enum MatchPosition {
-    Word {
-        // position of the word in the whole text.
-        word_position: usize,
-        // position of the token in the whole text.
-        token_position: usize,
-    },
-    Phrase {
-        // position of the first and last word in the phrase in the whole text.
-        word_positions: [usize; 2],
-        // position of the first and last token in the phrase in the whole text.
-        token_positions: [usize; 2],
-    },
-}
-
-#[derive(Clone, Debug)]
-pub struct Match {
-    pub char_count: usize,
-    // ids of the query words that matches.
-    pub ids: Vec<WordId>,
-    pub position: MatchPosition,
-}
-
-impl Match {
-    pub(super) fn get_first_word_pos(&self) -> usize {
-        match self.position {
-            MatchPosition::Word { word_position, .. } => word_position,
-            MatchPosition::Phrase { word_positions: [fwp, _], .. } => fwp,
-        }
-    }
-
-    pub(super) fn get_last_word_pos(&self) -> usize {
-        match self.position {
-            MatchPosition::Word { word_position, .. } => word_position,
-            MatchPosition::Phrase { word_positions: [_, lwp], .. } => lwp,
-        }
-    }
-
-    pub(super) fn get_first_token_pos(&self) -> usize {
-        match self.position {
-            MatchPosition::Word { token_position, .. } => token_position,
-            MatchPosition::Phrase { token_positions: [ftp, _], .. } => ftp,
-        }
-    }
-
-    pub(super) fn get_last_token_pos(&self) -> usize {
-        match self.position {
-            MatchPosition::Word { token_position, .. } => token_position,
-            MatchPosition::Phrase { token_positions: [_, ltp], .. } => ltp,
-        }
-    }
-
-    pub(super) fn get_word_count(&self) -> usize {
-        match self.position {
-            MatchPosition::Word { .. } => 1,
-            MatchPosition::Phrase { word_positions: [fwp, lwp], .. } => lwp - fwp + 1,
-        }
-    }
-}

crates/milli/src/search/new/matches/matching_words.rs

@@ -86,17 +86,14 @@ impl MatchingWords {
                         continue;
                     };
                     let prefix_length = char_index + c.len_utf8();
-                    let (char_count, byte_len) = token.original_lengths(prefix_length);
+                    let char_len = token.original_lengths(prefix_length).0;
                     let ids = &located_words.positions;
-                    return Some(MatchType::Full { ids, char_count, byte_len });
+                    return Some(MatchType::Full { char_len, ids });
                 // else we exact match the token.
                 } else if token.lemma() == word {
+                    let char_len = token.char_end - token.char_start;
                     let ids = &located_words.positions;
-                    return Some(MatchType::Full {
-                        char_count: token.char_end - token.char_start,
-                        byte_len: token.byte_end - token.byte_start,
-                        ids,
-                    });
+                    return Some(MatchType::Full { char_len, ids });
                 }
             }
         }
@@ -133,7 +130,7 @@ impl<'a> Iterator for MatchesIter<'a, '_> {
                         word.map(|word| self.matching_words.word_interner.get(word).as_str())
                     })
                     .collect();
-                let partial = PartialMatch { matching_words: words, ids };
+                let partial = PartialMatch { matching_words: words, ids, char_len: 0 };
 
                 partial.match_token(self.token).or_else(|| self.next())
             }
@@ -152,7 +149,7 @@ pub type WordId = u16;
 /// In these cases we need to match consecutively several tokens to consider that the match is full.
 #[derive(Debug, PartialEq)]
 pub enum MatchType<'a> {
-    Full { char_count: usize, byte_len: usize, ids: &'a RangeInclusive<WordId> },
+    Full { char_len: usize, ids: &'a RangeInclusive<WordId> },
     Partial(PartialMatch<'a>),
 }
 
@@ -161,6 +158,7 @@ pub enum MatchType<'a> {
 pub struct PartialMatch<'a> {
     matching_words: Vec<Option<&'a str>>,
     ids: &'a RangeInclusive<WordId>,
+    char_len: usize,
 }
 
 impl<'a> PartialMatch<'a> {
@@ -178,24 +176,25 @@ impl<'a> PartialMatch<'a> {
             None => token.is_stopword(),
         };
 
+        let char_len = token.char_end - token.char_start;
         // if there are remaining words to match in the phrase and the current token is matching,
         // return a new Partial match allowing the highlighter to continue.
         if is_matching && matching_words.len() > 1 {
             matching_words.remove(0);
-            Some(MatchType::Partial(Self { matching_words, ids }))
+            Some(MatchType::Partial(PartialMatch { matching_words, ids, char_len }))
         // if there is no remaining word to match in the phrase and the current token is matching,
         // return a Full match.
         } else if is_matching {
-            Some(MatchType::Full {
-                char_count: token.char_end - token.char_start,
-                byte_len: token.byte_end - token.byte_start,
-                ids,
-            })
+            Some(MatchType::Full { char_len, ids })
         // if the current token doesn't match, return None to break the match sequence.
         } else {
             None
         }
     }
+
+    pub fn char_len(&self) -> usize {
+        self.char_len
+    }
 }
 
 impl fmt::Debug for MatchingWords {
@@ -277,7 +276,7 @@ pub(crate) mod tests {
                     ..Default::default()
                 })
                 .next(),
-            Some(MatchType::Full { char_count: 5, byte_len: 5, ids: &(0..=0) })
+            Some(MatchType::Full { char_len: 5, ids: &(0..=0) })
         );
         assert_eq!(
             matching_words
@@ -301,7 +300,7 @@ pub(crate) mod tests {
                     ..Default::default()
                 })
                 .next(),
-            Some(MatchType::Full { char_count: 5, byte_len: 5, ids: &(2..=2) })
+            Some(MatchType::Full { char_len: 5, ids: &(2..=2) })
         );
         assert_eq!(
             matching_words
@@ -313,7 +312,7 @@ pub(crate) mod tests {
                     ..Default::default()
                 })
                 .next(),
-            Some(MatchType::Full { char_count: 5, byte_len: 5, ids: &(2..=2) })
+            Some(MatchType::Full { char_len: 5, ids: &(2..=2) })
         );
         assert_eq!(
             matching_words

crates/milli/src/search/new/matches/mod.rs

@@ -1,19 +1,11 @@
-mod best_match_interval;
-mod r#match;
-mod matching_words;
-mod simple_token_kind;
+use std::borrow::Cow;
 
 use charabia::{Language, SeparatorKind, Token, Tokenizer};
-use either::Either;
 pub use matching_words::MatchingWords;
-use matching_words::{MatchType, PartialMatch};
-use r#match::{Match, MatchPosition};
+use matching_words::{MatchType, PartialMatch, WordId};
 use serde::Serialize;
-use simple_token_kind::SimpleTokenKind;
-use std::{
-    borrow::Cow,
-    cmp::{max, min},
-};
+
+pub mod matching_words;
 
 const DEFAULT_CROP_MARKER: &str = "…";
 const DEFAULT_HIGHLIGHT_PREFIX: &str = "<em>";
@@ -101,6 +93,17 @@ impl FormatOptions {
     }
 }
 
+#[derive(Clone, Debug)]
+pub struct Match {
+    match_len: usize,
+    // ids of the query words that matches.
+    ids: Vec<WordId>,
+    // position of the word in the whole text.
+    word_position: usize,
+    // position of the token in the whole text.
+    token_position: usize,
+}
+
 #[derive(Serialize, Debug, Clone, PartialEq, Eq)]
 pub struct MatchBounds {
     pub start: usize,
@@ -127,27 +130,41 @@ impl<'t, 'tokenizer> Matcher<'t, 'tokenizer, '_, '_> {
         /// compute_partial_match peek into next words to validate if the match is complete.
         fn compute_partial_match<'a>(
             mut partial: PartialMatch<'a>,
-            first_token_position: usize,
-            first_word_position: usize,
-            first_word_char_start: &usize,
+            token_position: usize,
+            word_position: usize,
             words_positions: &mut impl Iterator<Item = (usize, usize, &'a Token<'a>)>,
             matches: &mut Vec<Match>,
         ) -> bool {
+            let mut potential_matches = vec![(token_position, word_position, partial.char_len())];
+
             for (token_position, word_position, word) in words_positions {
                 partial = match partial.match_token(word) {
                     // token matches the partial match, but the match is not full,
                     // we temporarily save the current token then we try to match the next one.
-                    Some(MatchType::Partial(partial)) => partial,
+                    Some(MatchType::Partial(partial)) => {
+                        potential_matches.push((token_position, word_position, partial.char_len()));
+                        partial
+                    }
                     // partial match is now full, we keep this matches and we advance positions
-                    Some(MatchType::Full { ids, .. }) => {
+                    Some(MatchType::Full { char_len, ids }) => {
+                        let ids: Vec<_> = ids.clone().collect();
+                        // save previously matched tokens as matches.
+                        let iter = potential_matches.into_iter().map(
+                            |(token_position, word_position, match_len)| Match {
+                                match_len,
+                                ids: ids.clone(),
+                                word_position,
+                                token_position,
+                            },
+                        );
+                        matches.extend(iter);
+
                         // save the token that closes the partial match as a match.
                         matches.push(Match {
-                            char_count: word.char_end - *first_word_char_start,
-                            ids: ids.clone().collect(),
-                            position: MatchPosition::Phrase {
-                                word_positions: [first_word_position, word_position],
-                                token_positions: [first_token_position, token_position],
-                            },
+                            match_len: char_len,
+                            ids,
+                            word_position,
+                            token_position,
                         });
 
                         // the match is complete, we return true.
@@ -185,12 +202,13 @@ impl<'t, 'tokenizer> Matcher<'t, 'tokenizer, '_, '_> {
                 match match_type {
                     // we match, we save the current token as a match,
                     // then we continue the rest of the tokens.
-                    MatchType::Full { ids, char_count, .. } => {
+                    MatchType::Full { char_len, ids } => {
                         let ids: Vec<_> = ids.clone().collect();
                         matches.push(Match {
-                            char_count,
+                            match_len: char_len,
                             ids,
-                            position: MatchPosition::Word { word_position, token_position },
+                            word_position,
+                            token_position,
                         });
                         break;
                     }
@@ -203,7 +221,6 @@ impl<'t, 'tokenizer> Matcher<'t, 'tokenizer, '_, '_> {
                             partial,
                             token_position,
                             word_position,
-                            &word.char_start,
                             &mut wp,
                             &mut matches,
                         ) {
@@ -226,99 +243,56 @@ impl<'t, 'tokenizer> Matcher<'t, 'tokenizer, '_, '_> {
             Some((tokens, matches)) => matches
                 .iter()
                 .map(|m| MatchBounds {
-                    start: tokens[m.get_first_token_pos()].byte_start,
-                    // TODO: Why is this in chars, while start is in bytes?
-                    length: m.char_count,
+                    start: tokens[m.token_position].byte_start,
+                    length: m.match_len,
                 })
                 .collect(),
         }
     }
 
     /// Returns the bounds in byte index of the crop window.
-    fn crop_bounds(&self, tokens: &[Token<'_>], matches: &[Match], crop_size: usize) -> [usize; 2] {
-        let (
-            mut remaining_words,
-            is_iterating_forward,
-            before_tokens_starting_index,
-            after_tokens_starting_index,
-        ) = if !matches.is_empty() {
-            let [matches_first, matches_last] =
-                best_match_interval::find_best_match_interval(matches, crop_size);
+    fn crop_bounds(
+        &self,
+        tokens: &[Token<'_>],
+        matches: &[Match],
+        crop_size: usize,
+    ) -> (usize, usize) {
+        // if there is no match, we start from the beginning of the string by default.
+        let first_match_word_position = matches.first().map(|m| m.word_position).unwrap_or(0);
+        let first_match_token_position = matches.first().map(|m| m.token_position).unwrap_or(0);
+        let last_match_word_position = matches.last().map(|m| m.word_position).unwrap_or(0);
+        let last_match_token_position = matches.last().map(|m| m.token_position).unwrap_or(0);
 
-            let matches_size =
-                matches_last.get_last_word_pos() - matches_first.get_first_word_pos() + 1;
-
-            let is_crop_size_gte_match_size = crop_size >= matches_size;
-            let is_iterating_forward = matches_size == 0 || is_crop_size_gte_match_size;
-
-            let remaining_words = if is_crop_size_gte_match_size {
-                crop_size - matches_size
-            } else {
-                // in case matches size is greater than crop size, which implies there's only one match,
-                // we count words backwards, because we have to remove words, as they're extra words outside of
-                // crop window
-                matches_size - crop_size
-            };
-
-            let after_tokens_starting_index = if matches_size == 0 {
-                0
-            } else {
-                let last_match_last_token_position_plus_one = matches_last.get_last_token_pos() + 1;
-                if last_match_last_token_position_plus_one < tokens.len() {
-                    last_match_last_token_position_plus_one
-                } else {
-                    // we have matched the end of possible tokens, there's nothing to advance
-                    tokens.len() - 1
-                }
-            };
-
-            (
-                remaining_words,
-                is_iterating_forward,
-                if is_iterating_forward { matches_first.get_first_token_pos() } else { 0 },
-                after_tokens_starting_index,
-            )
-        } else {
-            (crop_size, true, 0, 0)
-        };
+        // matches needs to be counted in the crop len.
+        let mut remaining_words = crop_size + first_match_word_position - last_match_word_position;
 
         // create the initial state of the crop window: 2 iterators starting from the matches positions,
         // a reverse iterator starting from the first match token position and going towards the beginning of the text,
-        let mut before_tokens = tokens[..before_tokens_starting_index].iter().rev().peekable();
-        // an iterator ...
-        let mut after_tokens = if is_iterating_forward {
-            // ... starting from the last match token position and going towards the end of the text.
-            Either::Left(tokens[after_tokens_starting_index..].iter().peekable())
-        } else {
-            // ... starting from the last match token position and going towards the start of the text.
-            Either::Right(tokens[..=after_tokens_starting_index].iter().rev().peekable())
-        };
+        let mut before_tokens = tokens[..first_match_token_position].iter().rev().peekable();
+        // an iterator starting from the last match token position and going towards the end of the text.
+        let mut after_tokens = tokens[last_match_token_position..].iter().peekable();
 
         // grows the crop window peeking in both directions
         // until the window contains the good number of words:
         while remaining_words > 0 {
-            let before_token_kind = before_tokens.peek().map(SimpleTokenKind::new);
-            let after_token_kind =
-                after_tokens.as_mut().either(|v| v.peek(), |v| v.peek()).map(SimpleTokenKind::new);
+            let before_token = before_tokens.peek().map(|t| t.separator_kind());
+            let after_token = after_tokens.peek().map(|t| t.separator_kind());
 
-            match (before_token_kind, after_token_kind) {
+            match (before_token, after_token) {
                 // we can expand both sides.
-                (Some(before_token_kind), Some(after_token_kind)) => {
-                    match (before_token_kind, after_token_kind) {
+                (Some(before_token), Some(after_token)) => {
+                    match (before_token, after_token) {
                         // if they are both separators and are the same kind then advance both,
                         // or expand in the soft separator separator side.
-                        (
-                            SimpleTokenKind::Separator(before_token_separator_kind),
-                            SimpleTokenKind::Separator(after_token_separator_kind),
-                        ) => {
-                            if before_token_separator_kind == after_token_separator_kind {
+                        (Some(before_token_kind), Some(after_token_kind)) => {
+                            if before_token_kind == after_token_kind {
                                 before_tokens.next();
 
                                 // this avoid having an ending separator before crop marker.
                                 if remaining_words > 1 {
                                     after_tokens.next();
                                 }
-                            } else if matches!(before_token_separator_kind, SeparatorKind::Hard) {
+                            } else if before_token_kind == SeparatorKind::Hard {
                                 after_tokens.next();
                             } else {
                                 before_tokens.next();
@@ -326,17 +300,17 @@ impl<'t, 'tokenizer> Matcher<'t, 'tokenizer, '_, '_> {
                         }
                         // if one of the tokens is a word, we expend in the side of the word.
                         // left is a word, advance left.
-                        (SimpleTokenKind::NotSeparator, SimpleTokenKind::Separator(_)) => {
+                        (None, Some(_)) => {
                             before_tokens.next();
                             remaining_words -= 1;
                         }
                         // right is a word, advance right.
-                        (SimpleTokenKind::Separator(_), SimpleTokenKind::NotSeparator) => {
+                        (Some(_), None) => {
                             after_tokens.next();
                             remaining_words -= 1;
                         }
                         // both are words, advance left then right if remaining_word > 0.
-                        (SimpleTokenKind::NotSeparator, SimpleTokenKind::NotSeparator) => {
+                        (None, None) => {
                             before_tokens.next();
                             remaining_words -= 1;
 
@@ -348,16 +322,16 @@ impl<'t, 'tokenizer> Matcher<'t, 'tokenizer, '_, '_> {
                     }
                 }
                 // the end of the text is reached, advance left.
-                (Some(before_token_kind), None) => {
+                (Some(before_token), None) => {
                     before_tokens.next();
-                    if matches!(before_token_kind, SimpleTokenKind::NotSeparator) {
+                    if before_token.is_none() {
                         remaining_words -= 1;
                     }
                 }
                 // the start of the text is reached, advance right.
-                (None, Some(after_token_kind)) => {
+                (None, Some(after_token)) => {
                     after_tokens.next();
-                    if matches!(after_token_kind, SimpleTokenKind::NotSeparator) {
+                    if after_token.is_none() {
                         remaining_words -= 1;
                     }
                 }
@@ -370,7 +344,86 @@ impl<'t, 'tokenizer> Matcher<'t, 'tokenizer, '_, '_> {
         let crop_byte_start = before_tokens.next().map_or(0, |t| t.byte_end);
         let crop_byte_end = after_tokens.next().map_or(self.text.len(), |t| t.byte_start);
 
-        [crop_byte_start, crop_byte_end]
+        (crop_byte_start, crop_byte_end)
+    }
+
+    /// Compute the score of a match interval:
+    /// 1) count unique matches
+    /// 2) calculate distance between matches
+    /// 3) count ordered matches
+    fn match_interval_score(&self, matches: &[Match]) -> (i16, i16, i16) {
+        let mut ids: Vec<WordId> = Vec::with_capacity(matches.len());
+        let mut order_score = 0;
+        let mut distance_score = 0;
+
+        let mut iter = matches.iter().peekable();
+        while let Some(m) = iter.next() {
+            if let Some(next_match) = iter.peek() {
+                // if matches are ordered
+                if next_match.ids.iter().min() > m.ids.iter().min() {
+                    order_score += 1;
+                }
+
+                // compute distance between matches
+                distance_score -= (next_match.word_position - m.word_position).min(7) as i16;
+            }
+
+            ids.extend(m.ids.iter());
+        }
+
+        ids.sort_unstable();
+        ids.dedup();
+        let uniq_score = ids.len() as i16;
+
+        // rank by unique match count, then by distance between matches, then by ordered match count.
+        (uniq_score, distance_score, order_score)
+    }
+
+    /// Returns the matches interval where the score computed by match_interval_score is the best.
+    fn find_best_match_interval<'a>(&self, matches: &'a [Match], crop_size: usize) -> &'a [Match] {
+        // we compute the matches interval if we have at least 2 matches.
+        if matches.len() > 1 {
+            // positions of the first and the last match of the best matches interval in `matches`.
+            let mut best_interval = (0, 0);
+            let mut best_interval_score = self.match_interval_score(&matches[0..=0]);
+            // current interval positions.
+            let mut interval_first = 0;
+            let mut interval_last = 0;
+            for (index, next_match) in matches.iter().enumerate().skip(1) {
+                // if next match would make interval gross more than crop_size,
+                // we compare the current interval with the best one,
+                // then we increase `interval_first` until next match can be added.
+                if next_match.word_position - matches[interval_first].word_position >= crop_size {
+                    let interval_score =
+                        self.match_interval_score(&matches[interval_first..=interval_last]);
+
+                    // keep interval if it's the best
+                    if interval_score > best_interval_score {
+                        best_interval = (interval_first, interval_last);
+                        best_interval_score = interval_score;
+                    }
+
+                    // advance start of the interval while interval is longer than crop_size.
+                    while next_match.word_position - matches[interval_first].word_position
+                        >= crop_size
+                    {
+                        interval_first += 1;
+                    }
+                }
+                interval_last = index;
+            }
+
+            // compute the last interval score and compare it to the best one.
+            let interval_score =
+                self.match_interval_score(&matches[interval_first..=interval_last]);
+            if interval_score > best_interval_score {
+                best_interval = (interval_first, interval_last);
+            }
+
+            &matches[best_interval.0..=best_interval.1]
+        } else {
+            matches
+        }
     }
 
     // Returns the formatted version of the original text.
@@ -381,87 +434,69 @@ impl<'t, 'tokenizer> Matcher<'t, 'tokenizer, '_, '_> {
         } else {
             match &self.matches {
                 Some((tokens, matches)) => {
-                    // If the text has to be cropped, crop around the best interval.
-                    let [crop_byte_start, crop_byte_end] = match format_options.crop {
+                    // If the text has to be cropped,
+                    // crop around the best interval.
+                    let (byte_start, byte_end) = match format_options.crop {
                         Some(crop_size) if crop_size > 0 => {
+                            let matches = self.find_best_match_interval(matches, crop_size);
                             self.crop_bounds(tokens, matches, crop_size)
                         }
-                        _ => [0, self.text.len()],
+                        _ => (0, self.text.len()),
                     };
 
                     let mut formatted = Vec::new();
 
                     // push crop marker if it's not the start of the text.
-                    if crop_byte_start > 0 && !self.crop_marker.is_empty() {
+                    if byte_start > 0 && !self.crop_marker.is_empty() {
                         formatted.push(self.crop_marker);
                     }
 
-                    let mut byte_index = crop_byte_start;
+                    let mut byte_index = byte_start;
 
                     if format_options.highlight {
                         // insert highlight markers around matches.
                         for m in matches {
-                            let [m_byte_start, m_byte_end] = match m.position {
-                                MatchPosition::Word { token_position, .. } => {
-                                    let token = &tokens[token_position];
-                                    [&token.byte_start, &token.byte_end]
-                                }
-                                MatchPosition::Phrase { token_positions: [ftp, ltp], .. } => {
-                                    [&tokens[ftp].byte_start, &tokens[ltp].byte_end]
-                                }
-                            };
+                            let token = &tokens[m.token_position];
 
-                            // skip matches out of the crop window
-                            if *m_byte_end < crop_byte_start || *m_byte_start > crop_byte_end {
+                            // skip matches out of the crop window.
+                            if token.byte_start < byte_start || token.byte_end > byte_end {
                                 continue;
                             }
 
-                            // adjust start and end to the crop window size
-                            let [m_byte_start, m_byte_end] = [
-                                max(m_byte_start, &crop_byte_start),
-                                min(m_byte_end, &crop_byte_end),
-                            ];
-
-                            // push text that is positioned before our matches
-                            if byte_index < *m_byte_start {
-                                formatted.push(&self.text[byte_index..*m_byte_start]);
+                            if byte_index < token.byte_start {
+                                formatted.push(&self.text[byte_index..token.byte_start]);
                             }
 
-                            formatted.push(self.highlight_prefix);
-
-                            // TODO: This is additional work done, charabia::token::Token byte_len
-                            // should already get us the original byte length, however, that doesn't work as
-                            // it's supposed to, investigate why
-                            let highlight_byte_index = self.text[*m_byte_start..]
+                            let highlight_byte_index = self.text[token.byte_start..]
                                 .char_indices()
-                                .nth(m.char_count)
-                                .map_or(*m_byte_end, |(i, _)| min(i + *m_byte_start, *m_byte_end));
-                            formatted.push(&self.text[*m_byte_start..highlight_byte_index]);
-
+                                .enumerate()
+                                .find(|(i, _)| *i == m.match_len)
+                                .map_or(token.byte_end, |(_, (i, _))| i + token.byte_start);
+                            formatted.push(self.highlight_prefix);
+                            formatted.push(&self.text[token.byte_start..highlight_byte_index]);
                             formatted.push(self.highlight_suffix);
-
                             // if it's a prefix highlight, we put the end of the word after the highlight marker.
-                            if highlight_byte_index < *m_byte_end {
-                                formatted.push(&self.text[highlight_byte_index..*m_byte_end]);
+                            if highlight_byte_index < token.byte_end {
+                                formatted.push(&self.text[highlight_byte_index..token.byte_end]);
                             }
 
-                            byte_index = *m_byte_end;
+                            byte_index = token.byte_end;
                         }
                     }
 
                     // push the rest of the text between last match and the end of crop.
-                    if byte_index < crop_byte_end {
-                        formatted.push(&self.text[byte_index..crop_byte_end]);
+                    if byte_index < byte_end {
+                        formatted.push(&self.text[byte_index..byte_end]);
                     }
 
                     // push crop marker if it's not the end of the text.
-                    if crop_byte_end < self.text.len() && !self.crop_marker.is_empty() {
+                    if byte_end < self.text.len() && !self.crop_marker.is_empty() {
                         formatted.push(self.crop_marker);
                     }
 
                     if formatted.len() == 1 {
                         // avoid concatenating if there is already 1 slice.
-                        Cow::Borrowed(&self.text[crop_byte_start..crop_byte_end])
+                        Cow::Borrowed(&self.text[byte_start..byte_end])
                     } else {
                         Cow::Owned(formatted.concat())
                     }
@@ -786,24 +821,22 @@ mod tests {
     fn format_highlight_crop_phrase_query() {
         //! testing: https://github.com/meilisearch/meilisearch/issues/3975
         let temp_index = TempIndex::new();
-
-        let text = "The groundbreaking invention had the power to split the world between those who embraced progress and those who resisted change!";
         temp_index
             .add_documents(documents!([
-                { "id": 1, "text": text }
+                { "id": 1, "text": "The groundbreaking invention had the power to split the world between those who embraced progress and those who resisted change!" }
             ]))
             .unwrap();
-
         let rtxn = temp_index.read_txn().unwrap();
 
         let format_options = FormatOptions { highlight: true, crop: Some(10) };
+        let text = "The groundbreaking invention had the power to split the world between those who embraced progress and those who resisted change!";
 
         let builder = MatcherBuilder::new_test(&rtxn, &temp_index, "\"the world\"");
         let mut matcher = builder.build(text, None);
         // should return 10 words with a marker at the start as well the end, and the highlighted matches.
         insta::assert_snapshot!(
             matcher.format(format_options),
-            @"…the power to split <em>the world</em> between those who embraced…"
+            @"…had the power to split <em>the</em> <em>world</em> between those who…"
         );
 
         let builder = MatcherBuilder::new_test(&rtxn, &temp_index, "those \"and those\"");
@@ -811,63 +844,7 @@ mod tests {
         // should highlight "those" and the phrase "and those".
         insta::assert_snapshot!(
             matcher.format(format_options),
-            @"…world between <em>those</em> who embraced progress <em>and those</em> who resisted…"
-        );
-
-        let builder = MatcherBuilder::new_test(
-            &rtxn,
-            &temp_index,
-            "\"The groundbreaking invention had the power to split the world\"",
-        );
-        let mut matcher = builder.build(text, None);
-        insta::assert_snapshot!(
-            matcher.format(format_options),
-            @"<em>The groundbreaking invention had the power to split the world</em>…"
-        );
-
-        let builder = MatcherBuilder::new_test(
-            &rtxn,
-            &temp_index,
-            "\"The groundbreaking invention had the power to split the world between those\"",
-        );
-        let mut matcher = builder.build(text, None);
-        insta::assert_snapshot!(
-            matcher.format(format_options),
-            @"<em>The groundbreaking invention had the power to split the world</em>…"
-        );
-
-        let builder = MatcherBuilder::new_test(
-            &rtxn,
-            &temp_index,
-            "\"The groundbreaking invention\" \"embraced progress and those who resisted change!\"",
-        );
-        let mut matcher = builder.build(text, None);
-        insta::assert_snapshot!(
-            matcher.format(format_options),
-            // TODO: Should include exclamation mark without crop markers
-            @"…between those who <em>embraced progress and those who resisted change</em>…"
-        );
-
-        let builder = MatcherBuilder::new_test(
-            &rtxn,
-            &temp_index,
-            "\"groundbreaking invention\" \"split the world between\"",
-        );
-        let mut matcher = builder.build(text, None);
-        insta::assert_snapshot!(
-            matcher.format(format_options),
-            @"…<em>groundbreaking invention</em> had the power to <em>split the world between</em>…"
-        );
-
-        let builder = MatcherBuilder::new_test(
-            &rtxn,
-            &temp_index,
-            "\"groundbreaking invention\" \"had the power to split the world between those\"",
-        );
-        let mut matcher = builder.build(text, None);
-        insta::assert_snapshot!(
-            matcher.format(format_options),
-            @"…<em>invention</em> <em>had the power to split the world between those</em>…"
+            @"…world between <em>those</em> who embraced progress <em>and</em> <em>those</em> who resisted…"
         );
     }
 
@@ -923,7 +900,7 @@ mod tests {
         let mut matcher = builder.build(text, None);
         insta::assert_snapshot!(
             matcher.format(format_options),
-            @"_the_ _do or_ die can't be he do and or isn'_t he_"
+            @"_the_ _do_ _or_ die can't be he do and or isn'_t_ _he_"
         );
     }
 }

crates/milli/src/search/new/matches/simple_token_kind.rs

@@ -1,15 +0,0 @@
-use charabia::{SeparatorKind, Token, TokenKind};
-
-pub enum SimpleTokenKind {
-    Separator(SeparatorKind),
-    NotSeparator,
-}
-
-impl SimpleTokenKind {
-    pub fn new(token: &&Token<'_>) -> Self {
-        match token.kind {
-            TokenKind::Separator(separaor_kind) => Self::Separator(separaor_kind),
-            _ => Self::NotSeparator,
-        }
-    }
-}

crates/milli/src/search/new/vector_sort.rs

@@ -1,10 +1,11 @@
 use std::iter::FromIterator;
 
+use ordered_float::OrderedFloat;
 use roaring::RoaringBitmap;
 
 use super::ranking_rules::{RankingRule, RankingRuleOutput, RankingRuleQueryTrait};
 use crate::score_details::{self, ScoreDetails};
-use crate::vector::{ArroyWrapper, DistributionShift, Embedder};
+use crate::vector::{DistributionShift, Embedder};
 use crate::{DocumentId, Result, SearchContext, SearchLogger};
 
 pub struct VectorSort<Q: RankingRuleQueryTrait> {
@@ -52,9 +53,14 @@ impl<Q: RankingRuleQueryTrait> VectorSort<Q> {
         vector_candidates: &RoaringBitmap,
     ) -> Result<()> {
         let target = &self.target;
+        let mut results = Vec::new();
 
-        let reader = ArroyWrapper::new(ctx.index.vector_arroy, self.embedder_index, self.quantized);
-        let results = reader.nns_by_vector(ctx.txn, target, self.limit, Some(vector_candidates))?;
+        for reader in ctx.index.arroy_readers(ctx.txn, self.embedder_index, self.quantized) {
+            let nns_by_vector =
+                reader?.nns_by_vector(ctx.txn, target, self.limit, Some(vector_candidates))?;
+            results.extend(nns_by_vector.into_iter());
+        }
+        results.sort_unstable_by_key(|(_, distance)| OrderedFloat(*distance));
         self.cached_sorted_docids = results.into_iter();
 
         Ok(())

crates/milli/src/search/similar.rs

@@ -1,9 +1,10 @@
 use std::sync::Arc;
 
+use ordered_float::OrderedFloat;
 use roaring::RoaringBitmap;
 
 use crate::score_details::{self, ScoreDetails};
-use crate::vector::{ArroyWrapper, Embedder};
+use crate::vector::Embedder;
 use crate::{filtered_universe, DocumentId, Filter, Index, Result, SearchResult};
 
 pub struct Similar<'a> {
@@ -70,13 +71,23 @@ impl<'a> Similar<'a> {
                 .get(self.rtxn, &self.embedder_name)?
                 .ok_or_else(|| crate::UserError::InvalidEmbedder(self.embedder_name.to_owned()))?;
 
-        let reader = ArroyWrapper::new(self.index.vector_arroy, embedder_index, self.quantized);
-        let results = reader.nns_by_item(
-            self.rtxn,
-            self.id,
-            self.limit + self.offset + 1,
-            Some(&universe),
-        )?;
+        let mut results = Vec::new();
+
+        for reader in self.index.arroy_readers(self.rtxn, embedder_index, self.quantized) {
+            let nns_by_item = reader?.nns_by_item(
+                self.rtxn,
+                self.id,
+                self.limit + self.offset + 1,
+                Some(&universe),
+            )?;
+            if let Some(mut nns_by_item) = nns_by_item {
+                results.append(&mut nns_by_item);
+            } else {
+                break;
+            }
+        }
+
+        results.sort_unstable_by_key(|(_, distance)| OrderedFloat(*distance));
 
         let mut documents_ids = Vec::with_capacity(self.limit);
         let mut document_scores = Vec::with_capacity(self.limit);

crates/milli/src/update/index_documents/mod.rs

@@ -689,8 +689,9 @@ where
                         key: None,
                     },
                 )?;
+                let first_id = crate::vector::arroy_db_range_for_embedder(index).next().unwrap();
                 let reader =
-                    ArroyWrapper::new(self.index.vector_arroy, index, action.was_quantized);
+                    ArroyWrapper::new(self.index.vector_arroy, first_id, action.was_quantized);
                 let dim = reader.dimensions(self.wtxn)?;
                 dimension.insert(name.to_string(), dim);
             }
@@ -699,7 +700,6 @@ where
         for (embedder_name, dimension) in dimension {
             let wtxn = &mut *self.wtxn;
             let vector_arroy = self.index.vector_arroy;
-            let cancel = &self.should_abort;
 
             let embedder_index = self.index.embedder_category_id.get(wtxn, &embedder_name)?.ok_or(
                 InternalError::DatabaseMissingEntry { db_name: "embedder_category_id", key: None },
@@ -713,8 +713,17 @@ where
             let is_quantizing = embedder_config.map_or(false, |action| action.is_being_quantized);
 
             pool.install(|| {
-                let mut writer = ArroyWrapper::new(vector_arroy, embedder_index, was_quantized);
-                writer.build_and_quantize(wtxn, &mut rng, dimension, is_quantizing, cancel)?;
+                for k in crate::vector::arroy_db_range_for_embedder(embedder_index) {
+                    let mut writer = ArroyWrapper::new(vector_arroy, k, was_quantized);
+                    if is_quantizing {
+                        writer.quantize(wtxn, k, dimension)?;
+                    }
+                    if writer.need_build(wtxn, dimension)? {
+                        writer.build(wtxn, &mut rng, dimension)?;
+                    } else if writer.is_empty(wtxn, dimension)? {
+                        break;
+                    }
+                }
                 Result::Ok(())
             })
             .map_err(InternalError::from)??;

crates/milli/src/update/index_documents/transform.rs

@@ -990,24 +990,27 @@ impl<'a, 'i> Transform<'a, 'i> {
             None
         };
 
-        let readers: BTreeMap<&str, (ArroyWrapper, &RoaringBitmap)> = settings_diff
+        let readers: Result<BTreeMap<&str, (Vec<ArroyWrapper>, &RoaringBitmap)>> = settings_diff
             .embedding_config_updates
             .iter()
             .filter_map(|(name, action)| {
                 if let Some(WriteBackToDocuments { embedder_id, user_provided }) =
                     action.write_back()
                 {
-                    let reader = ArroyWrapper::new(
-                        self.index.vector_arroy,
-                        *embedder_id,
-                        action.was_quantized,
-                    );
-                    Some((name.as_str(), (reader, user_provided)))
+                    let readers: Result<Vec<_>> = self
+                        .index
+                        .arroy_readers(wtxn, *embedder_id, action.was_quantized)
+                        .collect();
+                    match readers {
+                        Ok(readers) => Some(Ok((name.as_str(), (readers, user_provided)))),
+                        Err(error) => Some(Err(error)),
+                    }
                 } else {
                     None
                 }
             })
             .collect();
+        let readers = readers?;
 
         let old_vectors_fid = settings_diff
             .old
@@ -1045,24 +1048,34 @@ impl<'a, 'i> Transform<'a, 'i> {
                     arroy::Error,
                 > = readers
                     .iter()
-                    .filter_map(|(name, (reader, user_provided))| {
+                    .filter_map(|(name, (readers, user_provided))| {
                         if !user_provided.contains(docid) {
                             return None;
                         }
-                        match reader.item_vectors(wtxn, docid) {
-                            Ok(vectors) if vectors.is_empty() => None,
-                            Ok(vectors) => Some(Ok((
-                                name.to_string(),
-                                serde_json::to_value(ExplicitVectors {
-                                    embeddings: Some(
-                                        VectorOrArrayOfVectors::from_array_of_vectors(vectors),
-                                    ),
-                                    regenerate: false,
-                                })
-                                .unwrap(),
-                            ))),
-                            Err(e) => Some(Err(e)),
+                        let mut vectors = Vec::new();
+                        for reader in readers {
+                            let Some(vector) = reader.item_vector(wtxn, docid).transpose() else {
+                                break;
+                            };
+
+                            match vector {
+                                Ok(vector) => vectors.push(vector),
+                                Err(error) => return Some(Err(error)),
+                            }
                         }
+                        if vectors.is_empty() {
+                            return None;
+                        }
+                        Some(Ok((
+                            name.to_string(),
+                            serde_json::to_value(ExplicitVectors {
+                                embeddings: Some(VectorOrArrayOfVectors::from_array_of_vectors(
+                                    vectors,
+                                )),
+                                regenerate: false,
+                            })
+                            .unwrap(),
+                        )))
                     })
                     .collect();
 
@@ -1091,9 +1104,11 @@ impl<'a, 'i> Transform<'a, 'i> {
         }
 
         // delete all vectors from the embedders that need removal
-        for (_, (reader, _)) in readers {
-            let dimensions = reader.dimensions(wtxn)?;
-            reader.clear(wtxn, dimensions)?;
+        for (_, (readers, _)) in readers {
+            for reader in readers {
+                let dimensions = reader.dimensions(wtxn)?;
+                reader.clear(wtxn, dimensions)?;
+            }
         }
 
         let grenad_params = GrenadParameters {

crates/milli/src/update/index_documents/typed_chunk.rs

@@ -673,14 +673,22 @@ pub(crate) fn write_typed_chunk_into_index(
                 .get(&embedder_name)
                 .map_or(false, |conf| conf.2);
             // FIXME: allow customizing distance
-            let writer = ArroyWrapper::new(index.vector_arroy, embedder_index, binary_quantized);
+            let writers: Vec<_> = crate::vector::arroy_db_range_for_embedder(embedder_index)
+                .map(|k| ArroyWrapper::new(index.vector_arroy, k, binary_quantized))
+                .collect();
 
             // remove vectors for docids we want them removed
             let merger = remove_vectors_builder.build();
             let mut iter = merger.into_stream_merger_iter()?;
             while let Some((key, _)) = iter.next()? {
                 let docid = key.try_into().map(DocumentId::from_be_bytes).unwrap();
-                writer.del_items(wtxn, expected_dimension, docid)?;
+
+                for writer in &writers {
+                    // Uses invariant: vectors are packed in the first writers.
+                    if !writer.del_item(wtxn, expected_dimension, docid)? {
+                        break;
+                    }
+                }
             }
 
             // add generated embeddings
@@ -708,7 +716,9 @@ pub(crate) fn write_typed_chunk_into_index(
                         embeddings.embedding_count(),
                     )));
                 }
-                writer.add_items(wtxn, docid, &embeddings)?;
+                for (embedding, writer) in embeddings.iter().zip(&writers) {
+                    writer.add_item(wtxn, expected_dimension, docid, embedding)?;
+                }
             }
 
             // perform the manual diff
@@ -723,14 +733,51 @@ pub(crate) fn write_typed_chunk_into_index(
                 if let Some(value) = vector_deladd_obkv.get(DelAdd::Deletion) {
                     let vector: Vec<f32> = pod_collect_to_vec(value);
 
-                    writer.del_item(wtxn, docid, &vector)?;
+                    let mut deleted_index = None;
+                    for (index, writer) in writers.iter().enumerate() {
+                        let Some(candidate) = writer.item_vector(wtxn, docid)? else {
+                            // uses invariant: vectors are packed in the first writers.
+                            break;
+                        };
+                        if candidate == vector {
+                            writer.del_item(wtxn, expected_dimension, docid)?;
+                            deleted_index = Some(index);
+                        }
+                    }
+
+                    // 🥲 enforce invariant: vectors are packed in the first writers.
+                    if let Some(deleted_index) = deleted_index {
+                        let mut last_index_with_a_vector = None;
+                        for (index, writer) in writers.iter().enumerate().skip(deleted_index) {
+                            let Some(candidate) = writer.item_vector(wtxn, docid)? else {
+                                break;
+                            };
+                            last_index_with_a_vector = Some((index, candidate));
+                        }
+                        if let Some((last_index, vector)) = last_index_with_a_vector {
+                            // unwrap: computed the index from the list of writers
+                            let writer = writers.get(last_index).unwrap();
+                            writer.del_item(wtxn, expected_dimension, docid)?;
+                            writers.get(deleted_index).unwrap().add_item(
+                                wtxn,
+                                expected_dimension,
+                                docid,
+                                &vector,
+                            )?;
+                        }
+                    }
                 }
 
                 if let Some(value) = vector_deladd_obkv.get(DelAdd::Addition) {
                     let vector = pod_collect_to_vec(value);
 
                     // overflow was detected during vector extraction.
-                    writer.add_item(wtxn, docid, &vector)?;
+                    for writer in &writers {
+                        if !writer.contains_item(wtxn, expected_dimension, docid)? {
+                            writer.add_item(wtxn, expected_dimension, docid, &vector)?;
+                            break;
+                        }
+                    }
                 }
             }
 

crates/milli/src/vector/mod.rs

@@ -1,7 +1,7 @@
 use std::collections::HashMap;
 use std::sync::Arc;
 
-use arroy::distances::{BinaryQuantizedCosine, Cosine};
+use arroy::distances::{Angular, BinaryQuantizedAngular};
 use arroy::ItemId;
 use deserr::{DeserializeError, Deserr};
 use heed::{RoTxn, RwTxn, Unspecified};
@@ -32,243 +32,105 @@ pub const REQUEST_PARALLELISM: usize = 40;
 
 pub struct ArroyWrapper {
     quantized: bool,
-    embedder_index: u8,
+    index: u16,
     database: arroy::Database<Unspecified>,
 }
 
 impl ArroyWrapper {
-    pub fn new(
-        database: arroy::Database<Unspecified>,
-        embedder_index: u8,
-        quantized: bool,
-    ) -> Self {
-        Self { database, embedder_index, quantized }
+    pub fn new(database: arroy::Database<Unspecified>, index: u16, quantized: bool) -> Self {
+        Self { database, index, quantized }
     }
 
-    pub fn embedder_index(&self) -> u8 {
-        self.embedder_index
-    }
-
-    fn readers<'a, D: arroy::Distance>(
-        &'a self,
-        rtxn: &'a RoTxn<'a>,
-        db: arroy::Database<D>,
-    ) -> impl Iterator<Item = Result<arroy::Reader<D>, arroy::Error>> + 'a {
-        arroy_db_range_for_embedder(self.embedder_index).map_while(move |index| {
-            match arroy::Reader::open(rtxn, index, db) {
-                Ok(reader) => match reader.is_empty(rtxn) {
-                    Ok(false) => Some(Ok(reader)),
-                    Ok(true) => None,
-                    Err(e) => Some(Err(e)),
-                },
-                Err(arroy::Error::MissingMetadata(_)) => None,
-                Err(e) => Some(Err(e)),
-            }
-        })
+    pub fn index(&self) -> u16 {
+        self.index
     }
 
     pub fn dimensions(&self, rtxn: &RoTxn) -> Result<usize, arroy::Error> {
-        let first_id = arroy_db_range_for_embedder(self.embedder_index).next().unwrap();
         if self.quantized {
-            Ok(arroy::Reader::open(rtxn, first_id, self.quantized_db())?.dimensions())
+            Ok(arroy::Reader::open(rtxn, self.index, self.quantized_db())?.dimensions())
         } else {
-            Ok(arroy::Reader::open(rtxn, first_id, self.angular_db())?.dimensions())
+            Ok(arroy::Reader::open(rtxn, self.index, self.angular_db())?.dimensions())
         }
     }
 
-    pub fn build_and_quantize<R: rand::Rng + rand::SeedableRng>(
+    pub fn quantize(
         &mut self,
         wtxn: &mut RwTxn,
+        index: u16,
+        dimension: usize,
+    ) -> Result<(), arroy::Error> {
+        if !self.quantized {
+            let writer = arroy::Writer::new(self.angular_db(), index, dimension);
+            writer.prepare_changing_distance::<BinaryQuantizedAngular>(wtxn)?;
+            self.quantized = true;
+        }
+        Ok(())
+    }
+
+    pub fn need_build(&self, rtxn: &RoTxn, dimension: usize) -> Result<bool, arroy::Error> {
+        if self.quantized {
+            arroy::Writer::new(self.quantized_db(), self.index, dimension).need_build(rtxn)
+        } else {
+            arroy::Writer::new(self.angular_db(), self.index, dimension).need_build(rtxn)
+        }
+    }
+
+    pub fn build<R: rand::Rng + rand::SeedableRng>(
+        &self,
+        wtxn: &mut RwTxn,
         rng: &mut R,
         dimension: usize,
-        quantizing: bool,
-        cancel: &(impl Fn() -> bool + Sync + Send),
-    ) -> Result<(), arroy::Error> {
-        for index in arroy_db_range_for_embedder(self.embedder_index) {
-            if self.quantized {
-                let writer = arroy::Writer::new(self.quantized_db(), index, dimension);
-                if writer.need_build(wtxn)? {
-                    writer.builder(rng).build(wtxn)?
-                } else if writer.is_empty(wtxn)? {
-                    break;
-                }
-            } else {
-                let writer = arroy::Writer::new(self.angular_db(), index, dimension);
-                // If we are quantizing the databases, we can't know from meilisearch
-                // if the db was empty but still contained the wrong metadata, thus we need
-                // to quantize everything and can't stop early. Since this operation can
-                // only happens once in the life of an embedder, it's not very performances
-                // sensitive.
-                if quantizing && !self.quantized {
-                    let writer = writer.prepare_changing_distance::<BinaryQuantizedCosine>(wtxn)?;
-                    writer.builder(rng).cancel(cancel).build(wtxn)?;
-                } else if writer.need_build(wtxn)? {
-                    writer.builder(rng).cancel(cancel).build(wtxn)?;
-                } else if writer.is_empty(wtxn)? {
-                    break;
-                }
-            }
-        }
-        Ok(())
-    }
-
-    /// Overwrite all the embeddings associated with the index and item ID.
-    /// /!\ It won't remove embeddings after the last passed embedding, which can leave stale embeddings.
-    ///     You should call `del_items` on the `item_id` before calling this method.
-    /// /!\ Cannot insert more than u8::MAX embeddings; after inserting u8::MAX embeddings, all the remaining ones will be silently ignored.
-    pub fn add_items(
-        &self,
-        wtxn: &mut RwTxn,
-        item_id: arroy::ItemId,
-        embeddings: &Embeddings<f32>,
-    ) -> Result<(), arroy::Error> {
-        let dimension = embeddings.dimension();
-        for (index, vector) in
-            arroy_db_range_for_embedder(self.embedder_index).zip(embeddings.iter())
-        {
-            if self.quantized {
-                arroy::Writer::new(self.quantized_db(), index, dimension)
-                    .add_item(wtxn, item_id, vector)?
-            } else {
-                arroy::Writer::new(self.angular_db(), index, dimension)
-                    .add_item(wtxn, item_id, vector)?
-            }
-        }
-        Ok(())
-    }
-
-    /// Add one document int for this index where we can find an empty spot.
-    pub fn add_item(
-        &self,
-        wtxn: &mut RwTxn,
-        item_id: arroy::ItemId,
-        vector: &[f32],
     ) -> Result<(), arroy::Error> {
         if self.quantized {
-            self._add_item(wtxn, self.quantized_db(), item_id, vector)
+            arroy::Writer::new(self.quantized_db(), self.index, dimension).build(wtxn, rng, None)
         } else {
-            self._add_item(wtxn, self.angular_db(), item_id, vector)
+            arroy::Writer::new(self.angular_db(), self.index, dimension).build(wtxn, rng, None)
         }
     }
 
-    fn _add_item<D: arroy::Distance>(
-        &self,
-        wtxn: &mut RwTxn,
-        db: arroy::Database<D>,
-        item_id: arroy::ItemId,
-        vector: &[f32],
-    ) -> Result<(), arroy::Error> {
-        let dimension = vector.len();
-
-        for index in arroy_db_range_for_embedder(self.embedder_index) {
-            let writer = arroy::Writer::new(db, index, dimension);
-            if !writer.contains_item(wtxn, item_id)? {
-                writer.add_item(wtxn, item_id, vector)?;
-                break;
-            }
-        }
-        Ok(())
-    }
-
-    /// Delete all embeddings from a specific `item_id`
-    pub fn del_items(
+    pub fn add_item(
         &self,
         wtxn: &mut RwTxn,
         dimension: usize,
         item_id: arroy::ItemId,
+        vector: &[f32],
     ) -> Result<(), arroy::Error> {
-        for index in arroy_db_range_for_embedder(self.embedder_index) {
-            if self.quantized {
-                let writer = arroy::Writer::new(self.quantized_db(), index, dimension);
-                if !writer.del_item(wtxn, item_id)? {
-                    break;
-                }
-            } else {
-                let writer = arroy::Writer::new(self.angular_db(), index, dimension);
-                if !writer.del_item(wtxn, item_id)? {
-                    break;
-                }
-            }
+        if self.quantized {
+            arroy::Writer::new(self.quantized_db(), self.index, dimension)
+                .add_item(wtxn, item_id, vector)
+        } else {
+            arroy::Writer::new(self.angular_db(), self.index, dimension)
+                .add_item(wtxn, item_id, vector)
         }
-
-        Ok(())
     }
 
-    /// Delete one item.
     pub fn del_item(
         &self,
         wtxn: &mut RwTxn,
+        dimension: usize,
         item_id: arroy::ItemId,
-        vector: &[f32],
     ) -> Result<bool, arroy::Error> {
         if self.quantized {
-            self._del_item(wtxn, self.quantized_db(), item_id, vector)
+            arroy::Writer::new(self.quantized_db(), self.index, dimension).del_item(wtxn, item_id)
         } else {
-            self._del_item(wtxn, self.angular_db(), item_id, vector)
+            arroy::Writer::new(self.angular_db(), self.index, dimension).del_item(wtxn, item_id)
         }
     }
 
-    fn _del_item<D: arroy::Distance>(
-        &self,
-        wtxn: &mut RwTxn,
-        db: arroy::Database<D>,
-        item_id: arroy::ItemId,
-        vector: &[f32],
-    ) -> Result<bool, arroy::Error> {
-        let dimension = vector.len();
-        let mut deleted_index = None;
-
-        for index in arroy_db_range_for_embedder(self.embedder_index) {
-            let writer = arroy::Writer::new(db, index, dimension);
-            let Some(candidate) = writer.item_vector(wtxn, item_id)? else {
-                // uses invariant: vectors are packed in the first writers.
-                break;
-            };
-            if candidate == vector {
-                writer.del_item(wtxn, item_id)?;
-                deleted_index = Some(index);
-            }
-        }
-
-        // 🥲 enforce invariant: vectors are packed in the first writers.
-        if let Some(deleted_index) = deleted_index {
-            let mut last_index_with_a_vector = None;
-            for index in
-                arroy_db_range_for_embedder(self.embedder_index).skip(deleted_index as usize)
-            {
-                let writer = arroy::Writer::new(db, index, dimension);
-                let Some(candidate) = writer.item_vector(wtxn, item_id)? else {
-                    break;
-                };
-                last_index_with_a_vector = Some((index, candidate));
-            }
-            if let Some((last_index, vector)) = last_index_with_a_vector {
-                let writer = arroy::Writer::new(db, last_index, dimension);
-                writer.del_item(wtxn, item_id)?;
-                let writer = arroy::Writer::new(db, deleted_index, dimension);
-                writer.add_item(wtxn, item_id, &vector)?;
-            }
-        }
-        Ok(deleted_index.is_some())
-    }
-
     pub fn clear(&self, wtxn: &mut RwTxn, dimension: usize) -> Result<(), arroy::Error> {
-        for index in arroy_db_range_for_embedder(self.embedder_index) {
-            if self.quantized {
-                let writer = arroy::Writer::new(self.quantized_db(), index, dimension);
-                if writer.is_empty(wtxn)? {
-                    break;
-                }
-                writer.clear(wtxn)?;
-            } else {
-                let writer = arroy::Writer::new(self.angular_db(), index, dimension);
-                if writer.is_empty(wtxn)? {
-                    break;
-                }
-                writer.clear(wtxn)?;
-            }
+        if self.quantized {
+            arroy::Writer::new(self.quantized_db(), self.index, dimension).clear(wtxn)
+        } else {
+            arroy::Writer::new(self.angular_db(), self.index, dimension).clear(wtxn)
+        }
+    }
+
+    pub fn is_empty(&self, rtxn: &RoTxn, dimension: usize) -> Result<bool, arroy::Error> {
+        if self.quantized {
+            arroy::Writer::new(self.quantized_db(), self.index, dimension).is_empty(rtxn)
+        } else {
+            arroy::Writer::new(self.angular_db(), self.index, dimension).is_empty(rtxn)
         }
-        Ok(())
     }
 
     pub fn contains_item(
@@ -277,25 +139,11 @@ impl ArroyWrapper {
         dimension: usize,
         item: arroy::ItemId,
     ) -> Result<bool, arroy::Error> {
-        for index in arroy_db_range_for_embedder(self.embedder_index) {
-            let contains = if self.quantized {
-                let writer = arroy::Writer::new(self.quantized_db(), index, dimension);
-                if writer.is_empty(rtxn)? {
-                    break;
-                }
-                writer.contains_item(rtxn, item)?
-            } else {
-                let writer = arroy::Writer::new(self.angular_db(), index, dimension);
-                if writer.is_empty(rtxn)? {
-                    break;
-                }
-                writer.contains_item(rtxn, item)?
-            };
-            if contains {
-                return Ok(contains);
-            }
+        if self.quantized {
+            arroy::Writer::new(self.quantized_db(), self.index, dimension).contains_item(rtxn, item)
+        } else {
+            arroy::Writer::new(self.angular_db(), self.index, dimension).contains_item(rtxn, item)
         }
-        Ok(false)
     }
 
     pub fn nns_by_item(
@@ -304,108 +152,45 @@ impl ArroyWrapper {
         item: ItemId,
         limit: usize,
         filter: Option<&RoaringBitmap>,
-    ) -> Result<Vec<(ItemId, f32)>, arroy::Error> {
+    ) -> Result<Option<Vec<(ItemId, f32)>>, arroy::Error> {
         if self.quantized {
-            self._nns_by_item(rtxn, self.quantized_db(), item, limit, filter)
+            arroy::Reader::open(rtxn, self.index, self.quantized_db())?
+                .nns_by_item(rtxn, item, limit, None, None, filter)
         } else {
-            self._nns_by_item(rtxn, self.angular_db(), item, limit, filter)
+            arroy::Reader::open(rtxn, self.index, self.angular_db())?
+                .nns_by_item(rtxn, item, limit, None, None, filter)
         }
     }
 
-    fn _nns_by_item<D: arroy::Distance>(
-        &self,
-        rtxn: &RoTxn,
-        db: arroy::Database<D>,
-        item: ItemId,
-        limit: usize,
-        filter: Option<&RoaringBitmap>,
-    ) -> Result<Vec<(ItemId, f32)>, arroy::Error> {
-        let mut results = Vec::new();
-
-        for reader in self.readers(rtxn, db) {
-            let reader = reader?;
-            let mut searcher = reader.nns(limit);
-            if let Some(filter) = filter {
-                searcher.candidates(filter);
-            }
-
-            if let Some(mut ret) = searcher.by_item(rtxn, item)? {
-                results.append(&mut ret);
-            } else {
-                break;
-            }
-        }
-        results.sort_unstable_by_key(|(_, distance)| OrderedFloat(*distance));
-        Ok(results)
-    }
-
     pub fn nns_by_vector(
         &self,
-        rtxn: &RoTxn,
-        vector: &[f32],
+        txn: &RoTxn,
+        item: &[f32],
         limit: usize,
         filter: Option<&RoaringBitmap>,
     ) -> Result<Vec<(ItemId, f32)>, arroy::Error> {
         if self.quantized {
-            self._nns_by_vector(rtxn, self.quantized_db(), vector, limit, filter)
+            arroy::Reader::open(txn, self.index, self.quantized_db())?
+                .nns_by_vector(txn, item, limit, None, None, filter)
         } else {
-            self._nns_by_vector(rtxn, self.angular_db(), vector, limit, filter)
+            arroy::Reader::open(txn, self.index, self.angular_db())?
+                .nns_by_vector(txn, item, limit, None, None, filter)
         }
     }
 
-    fn _nns_by_vector<D: arroy::Distance>(
-        &self,
-        rtxn: &RoTxn,
-        db: arroy::Database<D>,
-        vector: &[f32],
-        limit: usize,
-        filter: Option<&RoaringBitmap>,
-    ) -> Result<Vec<(ItemId, f32)>, arroy::Error> {
-        let mut results = Vec::new();
-
-        for reader in self.readers(rtxn, db) {
-            let reader = reader?;
-            let mut searcher = reader.nns(limit);
-            if let Some(filter) = filter {
-                searcher.candidates(filter);
-            }
-
-            results.append(&mut searcher.by_vector(rtxn, vector)?);
-        }
-
-        results.sort_unstable_by_key(|(_, distance)| OrderedFloat(*distance));
-
-        Ok(results)
-    }
-
-    pub fn item_vectors(&self, rtxn: &RoTxn, item_id: u32) -> Result<Vec<Vec<f32>>, arroy::Error> {
-        let mut vectors = Vec::new();
-
+    pub fn item_vector(&self, rtxn: &RoTxn, docid: u32) -> Result<Option<Vec<f32>>, arroy::Error> {
         if self.quantized {
-            for reader in self.readers(rtxn, self.quantized_db()) {
-                if let Some(vec) = reader?.item_vector(rtxn, item_id)? {
-                    vectors.push(vec);
-                } else {
-                    break;
-                }
-            }
+            arroy::Reader::open(rtxn, self.index, self.quantized_db())?.item_vector(rtxn, docid)
         } else {
-            for reader in self.readers(rtxn, self.angular_db()) {
-                if let Some(vec) = reader?.item_vector(rtxn, item_id)? {
-                    vectors.push(vec);
-                } else {
-                    break;
-                }
-            }
+            arroy::Reader::open(rtxn, self.index, self.angular_db())?.item_vector(rtxn, docid)
         }
-        Ok(vectors)
     }
 
-    fn angular_db(&self) -> arroy::Database<Cosine> {
+    fn angular_db(&self) -> arroy::Database<Angular> {
         self.database.remap_data_type()
     }
 
-    fn quantized_db(&self) -> arroy::Database<BinaryQuantizedCosine> {
+    fn quantized_db(&self) -> arroy::Database<BinaryQuantizedAngular> {
         self.database.remap_data_type()
     }
 }

crates/milli/src/vector/settings.rs

@@ -417,8 +417,6 @@ impl EmbeddingSettings {
 
     pub const DISTRIBUTION: &'static str = "distribution";
 
-    pub const BINARY_QUANTIZED: &'static str = "binaryQuantized";
-
     pub fn allowed_sources_for_field(field: &'static str) -> &'static [EmbedderSource] {
         match field {
             Self::SOURCE => &[
@@ -458,13 +456,6 @@ impl EmbeddingSettings {
                 EmbedderSource::Rest,
                 EmbedderSource::UserProvided,
             ],
-            Self::BINARY_QUANTIZED => &[
-                EmbedderSource::HuggingFace,
-                EmbedderSource::Ollama,
-                EmbedderSource::OpenAi,
-                EmbedderSource::Rest,
-                EmbedderSource::UserProvided,
-            ],
             _other => unreachable!("unknown field"),
         }
     }
@@ -479,7 +470,6 @@ impl EmbeddingSettings {
                 Self::DIMENSIONS,
                 Self::DISTRIBUTION,
                 Self::URL,
-                Self::BINARY_QUANTIZED,
             ],
             EmbedderSource::HuggingFace => &[
                 Self::SOURCE,
@@ -487,7 +477,6 @@ impl EmbeddingSettings {
                 Self::REVISION,
                 Self::DOCUMENT_TEMPLATE,
                 Self::DISTRIBUTION,
-                Self::BINARY_QUANTIZED,
             ],
             EmbedderSource::Ollama => &[
                 Self::SOURCE,
@@ -497,11 +486,8 @@ impl EmbeddingSettings {
                 Self::API_KEY,
                 Self::DIMENSIONS,
                 Self::DISTRIBUTION,
-                Self::BINARY_QUANTIZED,
             ],
-            EmbedderSource::UserProvided => {
-                &[Self::SOURCE, Self::DIMENSIONS, Self::DISTRIBUTION, Self::BINARY_QUANTIZED]
-            }
+            EmbedderSource::UserProvided => &[Self::SOURCE, Self::DIMENSIONS, Self::DISTRIBUTION],
             EmbedderSource::Rest => &[
                 Self::SOURCE,
                 Self::API_KEY,
@@ -512,7 +498,6 @@ impl EmbeddingSettings {
                 Self::RESPONSE,
                 Self::HEADERS,
                 Self::DISTRIBUTION,
-                Self::BINARY_QUANTIZED,
             ],
         }
     }

workloads/search/embeddings-movies-subset-hf.json

@@ -77,8 +77,7 @@
           "q": "puppy cute comforting movie",
           "limit": 100,
           "hybrid": {
-            "semanticRatio": 0.1,
-            "embedder": "default"
+            "semanticRatio": 0.1
           }
         }
       },
@@ -92,8 +91,7 @@
           "q": "puppy cute comforting movie",
           "limit": 100,
           "hybrid": {
-            "semanticRatio": 0.5,
-            "embedder": "default"
+            "semanticRatio": 0.5
           }
         }
       },
@@ -107,8 +105,7 @@
           "q": "puppy cute comforting movie",
           "limit": 100,
           "hybrid": {
-            "semanticRatio": 0.9,
-            "embedder": "default"
+            "semanticRatio": 0.9
           }
         }
       },
@@ -122,8 +119,7 @@
           "q": "puppy cute comforting movie",
           "limit": 100,
           "hybrid": {
-            "semanticRatio": 1.0,
-            "embedder": "default"
+            "semanticRatio": 1.0
           }
         }
       },
@@ -137,8 +133,7 @@
           "q": "shrek",
           "limit": 100,
           "hybrid": {
-            "semanticRatio": 1.0,
-            "embedder": "default"
+            "semanticRatio": 1.0
           }
         }
       },
@@ -152,8 +147,7 @@
           "q": "shrek",
           "limit": 100,
           "hybrid": {
-            "semanticRatio": 0.5,
-            "embedder": "default"
+            "semanticRatio": 0.5
           }
         }
       },
@@ -167,8 +161,7 @@
           "q": "shrek",
           "limit": 100,
           "hybrid": {
-            "semanticRatio": 0.1,
-            "embedder": "default"
+            "semanticRatio": 0.1
           }
         }
       },