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feat(lib): auto-batching

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mpostma 2022-01-19 11:21:19 +01:00 committed by ad hoc
parent 622c15e825
commit c9a236b0af
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28 changed files with 1181 additions and 777 deletions
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@ -79,7 +79,7 @@ version = "0.2.3"
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version = "0.3.6" version = "0.3.7"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c8d54b9298e05179c335de2b9645d061255bcd5155f843b3e328d2cfe0a5b413" checksum = "004cbc98f30fa233c61a38bc77e96a9106e65c88f2d3bef182ae952027e5753d"
dependencies = [ dependencies = [
"itoa 1.0.1", "itoa 1.0.1",
"libc", "libc",
@ -3190,7 +3197,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b557f72f448c511a979e2564e55d74e6c4432fc96ff4f6241bc6bded342643b7" checksum = "b557f72f448c511a979e2564e55d74e6c4432fc96ff4f6241bc6bded342643b7"
dependencies = [ dependencies = [
"proc-macro2 1.0.36", "proc-macro2 1.0.36",
"quote 1.0.14", "quote 1.0.15",
"syn 1.0.86", "syn 1.0.86",
] ]
@ -3443,7 +3450,7 @@ dependencies = [
"lazy_static", "lazy_static",
"log", "log",
"proc-macro2 1.0.36", "proc-macro2 1.0.36",
"quote 1.0.14", "quote 1.0.15",
"syn 1.0.86", "syn 1.0.86",
"wasm-bindgen-shared", "wasm-bindgen-shared",
] ]
@ -3466,7 +3473,7 @@ version = "0.2.79"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2f4203d69e40a52ee523b2529a773d5ffc1dc0071801c87b3d270b471b80ed01" checksum = "2f4203d69e40a52ee523b2529a773d5ffc1dc0071801c87b3d270b471b80ed01"
dependencies = [ dependencies = [
"quote 1.0.14", "quote 1.0.15",
"wasm-bindgen-macro-support", "wasm-bindgen-macro-support",
] ]
@ -3477,7 +3484,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bfa8a30d46208db204854cadbb5d4baf5fcf8071ba5bf48190c3e59937962ebc" checksum = "bfa8a30d46208db204854cadbb5d4baf5fcf8071ba5bf48190c3e59937962ebc"
dependencies = [ dependencies = [
"proc-macro2 1.0.36", "proc-macro2 1.0.36",
"quote 1.0.14", "quote 1.0.15",
"syn 1.0.86", "syn 1.0.86",
"wasm-bindgen-backend", "wasm-bindgen-backend",
"wasm-bindgen-shared", "wasm-bindgen-shared",
@ -3633,18 +3640,18 @@ dependencies = [
[[package]] [[package]]
name = "zstd" name = "zstd"
version = "0.9.3+zstd.1.5.2" version = "0.9.2+zstd.1.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "377f9c6801b6cbb254c3055266be42698b5bc6563c56b37e5fcca637a68eba95" checksum = "2390ea1bf6c038c39674f22d95f0564725fc06034a47129179810b2fc58caa54"
dependencies = [ dependencies = [
"zstd-safe", "zstd-safe",
] ]
[[package]] [[package]]
name = "zstd-safe" name = "zstd-safe"
version = "4.1.4+zstd.1.5.2" version = "4.1.3+zstd.1.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2f7cd17c9af1a4d6c24beb1cc54b17e2ef7b593dc92f19e9d9acad8b182bbaee" checksum = "e99d81b99fb3c2c2c794e3fe56c305c63d5173a16a46b5850b07c935ffc7db79"
dependencies = [ dependencies = [
"libc", "libc",
"zstd-sys", "zstd-sys",
@ -3652,9 +3659,9 @@ dependencies = [
[[package]] [[package]]
name = "zstd-sys" name = "zstd-sys"
version = "1.6.3+zstd.1.5.2" version = "1.6.2+zstd.1.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fc49afa5c8d634e75761feda8c592051e7eeb4683ba827211eb0d731d3402ea8" checksum = "2daf2f248d9ea44454bfcb2516534e8b8ad2fc91bf818a1885495fc42bc8ac9f"
dependencies = [ dependencies = [
"cc", "cc",
"libc", "libc",

17
meilisearch-http/src/lib.rs
View File

@ -9,7 +9,7 @@ pub mod helpers;
pub mod option; pub mod option;
pub mod routes; pub mod routes;
use std::sync::Arc; use std::sync::{atomic::AtomicBool, Arc};
use std::time::Duration; use std::time::Duration;
use crate::error::MeilisearchHttpError; use crate::error::MeilisearchHttpError;
@ -25,8 +25,17 @@ use extractors::payload::PayloadConfig;
use meilisearch_auth::AuthController; use meilisearch_auth::AuthController;
use meilisearch_lib::MeiliSearch; use meilisearch_lib::MeiliSearch;
pub static AUTOBATCHING_ENABLED: AtomicBool = AtomicBool::new(false);
pub fn setup_meilisearch(opt: &Opt) -> anyhow::Result<MeiliSearch> { pub fn setup_meilisearch(opt: &Opt) -> anyhow::Result<MeiliSearch> {
let mut meilisearch = MeiliSearch::builder(); let mut meilisearch = MeiliSearch::builder();
// enable autobatching?
let _ = AUTOBATCHING_ENABLED.store(
opt.scheduler_options.enable_autobatching,
std::sync::atomic::Ordering::Relaxed,
);
meilisearch meilisearch
.set_max_index_size(opt.max_index_size.get_bytes() as usize) .set_max_index_size(opt.max_index_size.get_bytes() as usize)
.set_max_task_store_size(opt.max_task_db_size.get_bytes() as usize) .set_max_task_store_size(opt.max_task_db_size.get_bytes() as usize)
@ -52,7 +61,11 @@ pub fn setup_meilisearch(opt: &Opt) -> anyhow::Result<MeiliSearch> {
meilisearch.set_schedule_snapshot(); meilisearch.set_schedule_snapshot();
} }
meilisearch.build(opt.db_path.clone(), opt.indexer_options.clone()) meilisearch.build(
opt.db_path.clone(),
opt.indexer_options.clone(),
opt.scheduler_options.clone(),
)
} }
pub fn configure_data( pub fn configure_data(

11
meilisearch-http/src/option.rs
View File

@ -5,7 +5,7 @@ use std::sync::Arc;
use byte_unit::Byte; use byte_unit::Byte;
use clap::Parser; use clap::Parser;
use meilisearch_lib::options::IndexerOpts; use meilisearch_lib::options::{IndexerOpts, SchedulerConfig};
use rustls::{ use rustls::{
server::{ server::{
AllowAnyAnonymousOrAuthenticatedClient, AllowAnyAuthenticatedClient, AllowAnyAnonymousOrAuthenticatedClient, AllowAnyAuthenticatedClient,
@ -147,9 +147,18 @@ pub struct Opt {
#[serde(skip)] #[serde(skip)]
#[clap(skip)] #[clap(skip)]
pub indexer_options: IndexerOpts, pub indexer_options: IndexerOpts,
#[clap(flatten)]
pub scheduler_options: SchedulerConfig,
} }
impl Opt { impl Opt {
/// Wether analytics should be enabled or not.
#[cfg(all(not(debug_assertions), feature = "analytics"))]
pub fn analytics(&self) -> bool {
!self.no_analytics
}
pub fn get_ssl_config(&self) -> anyhow::Result<Option<rustls::ServerConfig>> { pub fn get_ssl_config(&self) -> anyhow::Result<Option<rustls::ServerConfig>> {
if let (Some(cert_path), Some(key_path)) = (&self.ssl_cert_path, &self.ssl_key_path) { if let (Some(cert_path), Some(key_path)) = (&self.ssl_cert_path, &self.ssl_key_path) {
let config = rustls::ServerConfig::builder().with_safe_defaults(); let config = rustls::ServerConfig::builder().with_safe_defaults();

16
meilisearch-http/src/task.rs
View File

@ -2,11 +2,14 @@ use chrono::{DateTime, Duration, Utc};
use meilisearch_error::ResponseError; use meilisearch_error::ResponseError;
use meilisearch_lib::index::{Settings, Unchecked}; use meilisearch_lib::index::{Settings, Unchecked};
use meilisearch_lib::milli::update::IndexDocumentsMethod; use meilisearch_lib::milli::update::IndexDocumentsMethod;
use meilisearch_lib::tasks::batch::BatchId;
use meilisearch_lib::tasks::task::{ use meilisearch_lib::tasks::task::{
DocumentDeletion, Task, TaskContent, TaskEvent, TaskId, TaskResult, DocumentDeletion, Task, TaskContent, TaskEvent, TaskId, TaskResult,
}; };
use serde::{Serialize, Serializer}; use serde::{Serialize, Serializer};
use crate::AUTOBATCHING_ENABLED;
#[derive(Debug, Serialize)] #[derive(Debug, Serialize)]
#[serde(rename_all = "camelCase")] #[serde(rename_all = "camelCase")]
enum TaskType { enum TaskType {
@ -106,6 +109,8 @@ pub struct TaskView {
enqueued_at: DateTime<Utc>, enqueued_at: DateTime<Utc>,
started_at: Option<DateTime<Utc>>, started_at: Option<DateTime<Utc>>,
finished_at: Option<DateTime<Utc>>, finished_at: Option<DateTime<Utc>>,
#[serde(skip_serializing_if = "Option::is_none")]
batch_uid: Option<Option<BatchId>>,
} }
impl From<Task> for TaskView { impl From<Task> for TaskView {
@ -252,6 +257,16 @@ impl From<Task> for TaskView {
let duration = finished_at.zip(started_at).map(|(tf, ts)| (tf - ts)); let duration = finished_at.zip(started_at).map(|(tf, ts)| (tf - ts));
let batch_uid = if AUTOBATCHING_ENABLED.load(std::sync::atomic::Ordering::Relaxed) {
let id = events.iter().find_map(|e| match e {
TaskEvent::Batched { batch_id, .. } => Some(*batch_id),
_ => None,
});
Some(id)
} else {
None
};
Self { Self {
uid: id, uid: id,
index_uid: index_uid.into_inner(), index_uid: index_uid.into_inner(),
@ -263,6 +278,7 @@ impl From<Task> for TaskView {
enqueued_at, enqueued_at,
started_at, started_at,
finished_at, finished_at,
batch_uid,
} }
} }
} }

1
meilisearch-http/tests/common/server.rs
View File

@ -156,5 +156,6 @@ pub fn default_settings(dir: impl AsRef<Path>) -> Opt {
..Default::default() ..Default::default()
}, },
log_level: "off".into(), log_level: "off".into(),
scheduler_options: meilisearch_lib::options::SchedulerConfig::default(),
} }
} }

5
meilisearch-lib/Cargo.toml
View File

@ -28,7 +28,7 @@ lazy_static = "1.4.0"
log = "0.4.14" log = "0.4.14"
meilisearch-error = { path = "../meilisearch-error" } meilisearch-error = { path = "../meilisearch-error" }
meilisearch-auth = { path = "../meilisearch-auth" } meilisearch-auth = { path = "../meilisearch-auth" }
milli = { git = "https://github.com/meilisearch/milli.git", tag = "v0.21.1" } milli = { git = "https://github.com/meilisearch/milli.git", tag = "v0.22.0" }
mime = "0.3.16" mime = "0.3.16"
num_cpus = "1.13.0" num_cpus = "1.13.0"
once_cell = "1.8.0" once_cell = "1.8.0"
@ -55,12 +55,13 @@ reqwest = { version = "0.11.4", features = ["json", "rustls-tls"], default-featu
sysinfo = "0.20.2" sysinfo = "0.20.2"
derivative = "2.2.0" derivative = "2.2.0"
fs_extra = "1.2.0" fs_extra = "1.2.0"
atomic_refcell = "0.1.8"
[dev-dependencies] [dev-dependencies]
actix-rt = "2.2.0" actix-rt = "2.2.0"
mockall = "0.10.2" mockall = "0.10.2"
paste = "1.0.5" paste = "1.0.5"
nelson = { git = "https://github.com/MarinPostma/nelson.git", rev = "e5f4ff046c21e7e986c7cb31550d1c9e7f0b693b"} nelson = { git = "https://github.com/MarinPostma/nelson.git", rev = "675f13885548fb415ead8fbb447e9e6d9314000a"}
meilisearch-error = { path = "../meilisearch-error", features = ["test-traits"] } meilisearch-error = { path = "../meilisearch-error", features = ["test-traits"] }
proptest = "1.0.0" proptest = "1.0.0"
proptest-derive = "0.3.0" proptest-derive = "0.3.0"

1
meilisearch-lib/proptest-regressions/index_resolver/mod.txt
View File

@ -17,4 +17,3 @@ cc 3a01c78db082434b8a4f8914abf0d1059d39f4426d16df20d72e1bd7ebb94a6a # shrinks to
cc c450806df3921d1e6fe9b6af93d999e8196d0175b69b64f1810802582421e94a # shrinks to task = Task { id: 0, index_uid: IndexUid("a"), content: CreateIndex { primary_key: Some("") }, events: [] }, index_exists = false, index_op_fails = false, any_int = 0 cc c450806df3921d1e6fe9b6af93d999e8196d0175b69b64f1810802582421e94a # shrinks to task = Task { id: 0, index_uid: IndexUid("a"), content: CreateIndex { primary_key: Some("") }, events: [] }, index_exists = false, index_op_fails = false, any_int = 0
cc fb6b98947cbdbdee05ed3c0bf2923aad2c311edc276253642eb43a0c0ec4888a # shrinks to task = Task { id: 0, index_uid: IndexUid("A"), content: CreateIndex { primary_key: Some("") }, events: [] }, index_exists = false, index_op_fails = true, any_int = 0 cc fb6b98947cbdbdee05ed3c0bf2923aad2c311edc276253642eb43a0c0ec4888a # shrinks to task = Task { id: 0, index_uid: IndexUid("A"), content: CreateIndex { primary_key: Some("") }, events: [] }, index_exists = false, index_op_fails = true, any_int = 0
cc 1aa59d8e22484e9915efbb5818e1e1ab684aa61b166dc82130d6221663ba00bf # shrinks to task = Task { id: 0, index_uid: IndexUid("a"), content: DocumentDeletion(Clear), events: [] }, index_exists = true, index_op_fails = false, any_int = 0 cc 1aa59d8e22484e9915efbb5818e1e1ab684aa61b166dc82130d6221663ba00bf # shrinks to task = Task { id: 0, index_uid: IndexUid("a"), content: DocumentDeletion(Clear), events: [] }, index_exists = true, index_op_fails = false, any_int = 0
cc 2e8644e6397b5f76e0b79f961fa125e2f45f42f26e03c453c9a174dfb427500d # shrinks to task = Task { id: 0, index_uid: IndexUid("0"), content: SettingsUpdate { settings: Settings { displayed_attributes: NotSet, searchable_attributes: NotSet, filterable_attributes: NotSet, sortable_attributes: NotSet, ranking_rules: NotSet, stop_words: NotSet, synonyms: NotSet, distinct_attribute: NotSet, _kind: PhantomData }, is_deletion: false, allow_index_creation: false }, events: [] }, index_exists = false, index_op_fails = false, any_int = 0

23
meilisearch-lib/src/index/dump.rs
View File

@ -6,10 +6,10 @@ use anyhow::Context;
use heed::{EnvOpenOptions, RoTxn}; use heed::{EnvOpenOptions, RoTxn};
use indexmap::IndexMap; use indexmap::IndexMap;
use milli::documents::DocumentBatchReader; use milli::documents::DocumentBatchReader;
use milli::update::{IndexDocumentsConfig, IndexerConfig};
use serde::{Deserialize, Serialize}; use serde::{Deserialize, Serialize};
use crate::document_formats::read_ndjson; use crate::document_formats::read_ndjson;
use crate::index::update_handler::UpdateHandler;
use crate::index::updates::apply_settings_to_builder; use crate::index::updates::apply_settings_to_builder;
use super::error::Result; use super::error::Result;
@ -85,7 +85,7 @@ impl Index {
src: impl AsRef<Path>, src: impl AsRef<Path>,
dst: impl AsRef<Path>, dst: impl AsRef<Path>,
size: usize, size: usize,
update_handler: &UpdateHandler, indexer_config: &IndexerConfig,
) -> anyhow::Result<()> { ) -> anyhow::Result<()> {
let dir_name = src let dir_name = src
.as_ref() .as_ref()
@ -110,8 +110,7 @@ impl Index {
let mut txn = index.write_txn()?; let mut txn = index.write_txn()?;
// Apply settings first // Apply settings first
let builder = update_handler.update_builder(); let mut builder = milli::update::Settings::new(&mut txn, &index, indexer_config);
let mut builder = builder.settings(&mut txn, &index);
if let Some(primary_key) = primary_key { if let Some(primary_key) = primary_key {
builder.set_primary_key(primary_key); builder.set_primary_key(primary_key);
@ -140,12 +139,16 @@ impl Index {
//If the document file is empty, we don't perform the document addition, to prevent //If the document file is empty, we don't perform the document addition, to prevent
//a primary key error to be thrown. //a primary key error to be thrown.
if !documents_reader.is_empty() { let config = IndexDocumentsConfig::default();
let builder = update_handler let mut builder = milli::update::IndexDocuments::new(
.update_builder() &mut txn,
.index_documents(&mut txn, &index); &index,
builder.execute(documents_reader, |_| ())?; indexer_config,
} config,
|_| (),
);
builder.add_documents(documents_reader)?;
builder.execute()?;
} }
txn.commit()?; txn.commit()?;

6
meilisearch-lib/src/index/error.rs
View File

@ -3,7 +3,7 @@ use std::error::Error;
use meilisearch_error::{internal_error, Code, ErrorCode}; use meilisearch_error::{internal_error, Code, ErrorCode};
use serde_json::Value; use serde_json::Value;
use crate::error::MilliError; use crate::{error::MilliError, update_file_store};
pub type Result<T> = std::result::Result<T, IndexError>; pub type Result<T> = std::result::Result<T, IndexError>;
@ -23,7 +23,9 @@ internal_error!(
IndexError: std::io::Error, IndexError: std::io::Error,
heed::Error, heed::Error,
fst::Error, fst::Error,
serde_json::Error serde_json::Error,
update_file_store::UpdateFileStoreError,
milli::documents::Error
); );
impl ErrorCode for IndexError { impl ErrorCode for IndexError {

9
meilisearch-lib/src/index/index.rs
View File

@ -7,7 +7,7 @@ use std::sync::Arc;
use chrono::{DateTime, Utc}; use chrono::{DateTime, Utc};
use heed::{EnvOpenOptions, RoTxn}; use heed::{EnvOpenOptions, RoTxn};
use milli::update::Setting; use milli::update::{IndexerConfig, Setting};
use milli::{obkv_to_json, FieldDistribution, FieldId}; use milli::{obkv_to_json, FieldDistribution, FieldId};
use serde::{Deserialize, Serialize}; use serde::{Deserialize, Serialize};
use serde_json::{Map, Value}; use serde_json::{Map, Value};
@ -17,7 +17,6 @@ use crate::EnvSizer;
use super::error::IndexError; use super::error::IndexError;
use super::error::Result; use super::error::Result;
use super::update_handler::UpdateHandler;
use super::{Checked, Settings}; use super::{Checked, Settings};
pub type Document = Map<String, Value>; pub type Document = Map<String, Value>;
@ -68,7 +67,7 @@ pub struct Index {
#[derivative(Debug = "ignore")] #[derivative(Debug = "ignore")]
pub inner: Arc<milli::Index>, pub inner: Arc<milli::Index>,
#[derivative(Debug = "ignore")] #[derivative(Debug = "ignore")]
pub update_handler: Arc<UpdateHandler>, pub indexer_config: Arc<IndexerConfig>,
} }
impl Deref for Index { impl Deref for Index {
@ -84,7 +83,7 @@ impl Index {
path: impl AsRef<Path>, path: impl AsRef<Path>,
size: usize, size: usize,
uuid: Uuid, uuid: Uuid,
update_handler: Arc<UpdateHandler>, update_handler: Arc<IndexerConfig>,
) -> Result<Self> { ) -> Result<Self> {
log::debug!("opening index in {}", path.as_ref().display()); log::debug!("opening index in {}", path.as_ref().display());
create_dir_all(&path)?; create_dir_all(&path)?;
@ -94,7 +93,7 @@ impl Index {
Ok(Index { Ok(Index {
inner, inner,
uuid, uuid,
update_handler, indexer_config: update_handler,
}) })
} }

20
meilisearch-lib/src/index/mod.rs
View File

@ -4,7 +4,6 @@ pub use updates::{apply_settings_to_builder, Checked, Facets, Settings, Unchecke
mod dump; mod dump;
pub mod error; pub mod error;
mod search; mod search;
pub mod update_handler;
pub mod updates; pub mod updates;
#[allow(clippy::module_inception)] #[allow(clippy::module_inception)]
@ -26,6 +25,7 @@ pub mod test {
use std::path::PathBuf; use std::path::PathBuf;
use std::sync::Arc; use std::sync::Arc;
use milli::update::IndexerConfig;
use milli::update::{DocumentAdditionResult, DocumentDeletionResult, IndexDocumentsMethod}; use milli::update::{DocumentAdditionResult, DocumentDeletionResult, IndexDocumentsMethod};
use nelson::Mocker; use nelson::Mocker;
use serde_json::{Map, Value}; use serde_json::{Map, Value};
@ -33,7 +33,6 @@ pub mod test {
use super::error::Result; use super::error::Result;
use super::index::Index; use super::index::Index;
use super::update_handler::UpdateHandler;
use super::{Checked, IndexMeta, IndexStats, SearchQuery, SearchResult, Settings}; use super::{Checked, IndexMeta, IndexStats, SearchQuery, SearchResult, Settings};
use crate::update_file_store::UpdateFileStore; use crate::update_file_store::UpdateFileStore;
@ -52,7 +51,7 @@ pub mod test {
path: impl AsRef<Path>, path: impl AsRef<Path>,
size: usize, size: usize,
uuid: Uuid, uuid: Uuid,
update_handler: Arc<UpdateHandler>, update_handler: Arc<IndexerConfig>,
) -> Result<Self> { ) -> Result<Self> {
let index = Index::open(path, size, uuid, update_handler)?; let index = Index::open(path, size, uuid, update_handler)?;
Ok(Self::Real(index)) Ok(Self::Real(index))
@ -62,7 +61,7 @@ pub mod test {
src: impl AsRef<Path>, src: impl AsRef<Path>,
dst: impl AsRef<Path>, dst: impl AsRef<Path>,
size: usize, size: usize,
update_handler: &UpdateHandler, update_handler: &IndexerConfig,
) -> anyhow::Result<()> { ) -> anyhow::Result<()> {
Index::load_dump(src, dst, size, update_handler) Index::load_dump(src, dst, size, update_handler)
} }
@ -157,21 +156,18 @@ pub mod test {
pub fn update_documents( pub fn update_documents(
&self, &self,
method: IndexDocumentsMethod, method: IndexDocumentsMethod,
content_uuid: Uuid,
primary_key: Option<String>, primary_key: Option<String>,
file_store: UpdateFileStore, file_store: UpdateFileStore,
contents: impl Iterator<Item = Uuid>,
) -> Result<DocumentAdditionResult> { ) -> Result<DocumentAdditionResult> {
match self { match self {
MockIndex::Real(index) => { MockIndex::Real(index) => {
index.update_documents(method, content_uuid, primary_key, file_store) index.update_documents(method, primary_key, file_store, contents)
} }
MockIndex::Mock(mocker) => unsafe { MockIndex::Mock(mocker) => unsafe {
mocker.get("update_documents").call(( mocker
method, .get("update_documents")
content_uuid, .call((method, primary_key, file_store, contents))
primary_key,
file_store,
))
}, },
} }
} }

16
meilisearch-lib/src/index/search.rs
View File

@ -295,7 +295,7 @@ fn compute_value_matches<'a, A: AsRef<[u8]>>(
let mut start = 0; let mut start = 0;
for (word, token) in analyzed.reconstruct() { for (word, token) in analyzed.reconstruct() {
if token.is_word() { if token.is_word() {
if let Some(length) = matcher.matches(token.text()) { if let Some(length) = matcher.matches(&token) {
infos.push(MatchInfo { start, length }); infos.push(MatchInfo { start, length });
} }
} }
@ -486,18 +486,18 @@ fn format_fields<A: AsRef<[u8]>>(
/// trait to allow unit testing of `format_fields` /// trait to allow unit testing of `format_fields`
trait Matcher { trait Matcher {
fn matches(&self, w: &str) -> Option<usize>; fn matches(&self, w: &Token) -> Option<usize>;
} }
#[cfg(test)] #[cfg(test)]
impl Matcher for BTreeMap<&str, Option<usize>> { impl Matcher for BTreeMap<&str, Option<usize>> {
fn matches(&self, w: &str) -> Option<usize> { fn matches(&self, w: &Token) -> Option<usize> {
self.get(w).cloned().flatten() self.get(w.text()).cloned().flatten()
} }
} }
impl Matcher for MatchingWords { impl Matcher for MatchingWords {
fn matches(&self, w: &str) -> Option<usize> { fn matches(&self, w: &Token) -> Option<usize> {
self.matching_bytes(w) self.matching_bytes(w)
} }
} }
@ -579,7 +579,7 @@ impl<'a, A: AsRef<[u8]>> Formatter<'a, A> {
let mut tokens = analyzed.reconstruct().peekable(); let mut tokens = analyzed.reconstruct().peekable();
while let Some((word, token)) = while let Some((word, token)) =
tokens.next_if(|(_, token)| matcher.matches(token.text()).is_none()) tokens.next_if(|(_, token)| matcher.matches(token).is_none())
{ {
buffer.push((word, token)); buffer.push((word, token));
} }
@ -623,7 +623,7 @@ impl<'a, A: AsRef<[u8]>> Formatter<'a, A> {
// Check if we need to do highlighting or computed matches before calling // Check if we need to do highlighting or computed matches before calling
// Matcher::match since the call is expensive. // Matcher::match since the call is expensive.
if format_options.highlight && token.is_word() { if format_options.highlight && token.is_word() {
if let Some(length) = matcher.matches(token.text()) { if let Some(length) = matcher.matches(&token) {
match word.get(..length).zip(word.get(length..)) { match word.get(..length).zip(word.get(length..)) {
Some((head, tail)) => { Some((head, tail)) => {
out.push_str(&self.marks.0); out.push_str(&self.marks.0);
@ -653,7 +653,7 @@ fn parse_filter(facets: &Value) -> Result<Option<Filter>> {
match facets { match facets {
Value::String(expr) => { Value::String(expr) => {
let condition = Filter::from_str(expr)?; let condition = Filter::from_str(expr)?;
Ok(Some(condition)) Ok(condition)
} }
Value::Array(arr) => parse_filter_array(arr), Value::Array(arr) => parse_filter_array(arr),
v => Err(FacetError::InvalidExpression(&["Array"], v.clone()).into()), v => Err(FacetError::InvalidExpression(&["Array"], v.clone()).into()),

49
meilisearch-lib/src/index/update_handler.rs
View File

@ -1,49 +0,0 @@
use milli::update::UpdateBuilder;
use milli::CompressionType;
use rayon::ThreadPool;
use crate::options::IndexerOpts;
pub struct UpdateHandler {
max_nb_chunks: Option<usize>,
chunk_compression_level: Option<u32>,
thread_pool: ThreadPool,
log_frequency: usize,
max_memory: Option<usize>,
chunk_compression_type: CompressionType,
}
impl UpdateHandler {
pub fn new(opt: &IndexerOpts) -> anyhow::Result<Self> {
let thread_pool = rayon::ThreadPoolBuilder::new()
.num_threads(opt.indexing_jobs.unwrap_or(num_cpus::get() / 2))
.build()?;
Ok(Self {
max_nb_chunks: opt.max_nb_chunks,
chunk_compression_level: opt.chunk_compression_level,
thread_pool,
log_frequency: opt.log_every_n,
max_memory: opt.max_memory.map(|m| m.get_bytes() as usize),
chunk_compression_type: opt.chunk_compression_type,
})
}
pub fn update_builder(&self) -> UpdateBuilder {
// We prepare the update by using the update builder.
let mut update_builder = UpdateBuilder::new();
if let Some(max_nb_chunks) = self.max_nb_chunks {
update_builder.max_nb_chunks(max_nb_chunks);
}
if let Some(chunk_compression_level) = self.chunk_compression_level {
update_builder.chunk_compression_level(chunk_compression_level);
}
update_builder.thread_pool(&self.thread_pool);
update_builder.log_every_n(self.log_frequency);
if let Some(max_memory) = self.max_memory {
update_builder.max_memory(max_memory);
}
update_builder.chunk_compression_type(self.chunk_compression_type);
update_builder
}
}

50
meilisearch-lib/src/index/updates.rs
View File

@ -5,7 +5,8 @@ use std::num::NonZeroUsize;
use log::{debug, info, trace}; use log::{debug, info, trace};
use milli::documents::DocumentBatchReader; use milli::documents::DocumentBatchReader;
use milli::update::{ use milli::update::{
DocumentAdditionResult, DocumentDeletionResult, IndexDocumentsMethod, Setting, DocumentAdditionResult, DocumentDeletionResult, IndexDocumentsConfig, IndexDocumentsMethod,
Setting,
}; };
use serde::{Deserialize, Serialize, Serializer}; use serde::{Deserialize, Serialize, Serializer};
use uuid::Uuid; use uuid::Uuid;
@ -178,7 +179,7 @@ impl Index {
txn: &mut heed::RwTxn<'a, 'b>, txn: &mut heed::RwTxn<'a, 'b>,
primary_key: String, primary_key: String,
) -> Result<IndexMeta> { ) -> Result<IndexMeta> {
let mut builder = self.update_handler.update_builder().settings(txn, self); let mut builder = milli::update::Settings::new(txn, self, self.indexer_config.as_ref());
builder.set_primary_key(primary_key); builder.set_primary_key(primary_key);
builder.execute(|_| ())?; builder.execute(|_| ())?;
let meta = IndexMeta::new_txn(self, txn)?; let meta = IndexMeta::new_txn(self, txn)?;
@ -197,10 +198,7 @@ impl Index {
/// Deletes `ids` from the index, and returns how many documents were deleted. /// Deletes `ids` from the index, and returns how many documents were deleted.
pub fn delete_documents(&self, ids: &[String]) -> Result<DocumentDeletionResult> { pub fn delete_documents(&self, ids: &[String]) -> Result<DocumentDeletionResult> {
let mut txn = self.write_txn()?; let mut txn = self.write_txn()?;
let mut builder = self let mut builder = milli::update::DeleteDocuments::new(&mut txn, self)?;
.update_handler
.update_builder()
.delete_documents(&mut txn, self)?;
// We ignore unexisting document ids // We ignore unexisting document ids
ids.iter().for_each(|id| { ids.iter().for_each(|id| {
@ -216,11 +214,7 @@ impl Index {
pub fn clear_documents(&self) -> Result<()> { pub fn clear_documents(&self) -> Result<()> {
let mut txn = self.write_txn()?; let mut txn = self.write_txn()?;
self.update_handler milli::update::ClearDocuments::new(&mut txn, self).execute()?;
.update_builder()
.clear_documents(&mut txn, self)
.execute()?;
txn.commit()?; txn.commit()?;
Ok(()) Ok(())
@ -229,9 +223,9 @@ impl Index {
pub fn update_documents( pub fn update_documents(
&self, &self,
method: IndexDocumentsMethod, method: IndexDocumentsMethod,
content_uuid: Uuid,
primary_key: Option<String>, primary_key: Option<String>,
file_store: UpdateFileStore, file_store: UpdateFileStore,
contents: impl IntoIterator<Item = Uuid>,
) -> Result<DocumentAdditionResult> { ) -> Result<DocumentAdditionResult> {
trace!("performing document addition"); trace!("performing document addition");
let mut txn = self.write_txn()?; let mut txn = self.write_txn()?;
@ -242,17 +236,27 @@ impl Index {
} }
} }
let config = IndexDocumentsConfig {
update_method: method,
..Default::default()
};
let indexing_callback = |indexing_step| debug!("update: {:?}", indexing_step); let indexing_callback = |indexing_step| debug!("update: {:?}", indexing_step);
let mut builder = milli::update::IndexDocuments::new(
&mut txn,
self,
self.indexer_config.as_ref(),
config,
indexing_callback,
);
let content_file = file_store.get_update(content_uuid).unwrap(); for content_uuid in contents.into_iter() {
let reader = DocumentBatchReader::from_reader(content_file).unwrap(); let content_file = file_store.get_update(content_uuid)?;
let reader = DocumentBatchReader::from_reader(content_file)?;
builder.add_documents(reader)?;
}
let mut builder = self let addition = builder.execute()?;
.update_handler
.update_builder()
.index_documents(&mut txn, self);
builder.index_documents_method(method);
let addition = builder.execute(reader, indexing_callback)?;
txn.commit()?; txn.commit()?;
@ -264,10 +268,8 @@ impl Index {
pub fn update_settings(&self, settings: &Settings<Checked>) -> Result<()> { pub fn update_settings(&self, settings: &Settings<Checked>) -> Result<()> {
// We must use the write transaction of the update here. // We must use the write transaction of the update here.
let mut txn = self.write_txn()?; let mut txn = self.write_txn()?;
let mut builder = self let mut builder =
.update_handler milli::update::Settings::new(&mut txn, self, self.indexer_config.as_ref());
.update_builder()
.settings(&mut txn, self);
apply_settings_to_builder(settings, &mut builder); apply_settings_to_builder(settings, &mut builder);

12
meilisearch-lib/src/index_controller/dump_actor/actor.rs
View File

@ -10,7 +10,7 @@ use tokio::sync::{mpsc, oneshot, RwLock};
use super::error::{DumpActorError, Result}; use super::error::{DumpActorError, Result};
use super::{DumpInfo, DumpJob, DumpMsg, DumpStatus}; use super::{DumpInfo, DumpJob, DumpMsg, DumpStatus};
use crate::tasks::TaskStore; use crate::tasks::Scheduler;
use crate::update_file_store::UpdateFileStore; use crate::update_file_store::UpdateFileStore;
pub const CONCURRENT_DUMP_MSG: usize = 10; pub const CONCURRENT_DUMP_MSG: usize = 10;
@ -18,7 +18,7 @@ pub const CONCURRENT_DUMP_MSG: usize = 10;
pub struct DumpActor { pub struct DumpActor {
inbox: Option<mpsc::Receiver<DumpMsg>>, inbox: Option<mpsc::Receiver<DumpMsg>>,
update_file_store: UpdateFileStore, update_file_store: UpdateFileStore,
task_store: TaskStore, scheduler: Arc<RwLock<Scheduler>>,
dump_path: PathBuf, dump_path: PathBuf,
analytics_path: PathBuf, analytics_path: PathBuf,
lock: Arc<Mutex<()>>, lock: Arc<Mutex<()>>,
@ -36,7 +36,7 @@ impl DumpActor {
pub fn new( pub fn new(
inbox: mpsc::Receiver<DumpMsg>, inbox: mpsc::Receiver<DumpMsg>,
update_file_store: UpdateFileStore, update_file_store: UpdateFileStore,
task_store: TaskStore, scheduler: Arc<RwLock<Scheduler>>,
dump_path: impl AsRef<Path>, dump_path: impl AsRef<Path>,
analytics_path: impl AsRef<Path>, analytics_path: impl AsRef<Path>,
index_db_size: usize, index_db_size: usize,
@ -46,7 +46,7 @@ impl DumpActor {
let lock = Arc::new(Mutex::new(())); let lock = Arc::new(Mutex::new(()));
Self { Self {
inbox: Some(inbox), inbox: Some(inbox),
task_store, scheduler,
update_file_store, update_file_store,
dump_path: dump_path.as_ref().into(), dump_path: dump_path.as_ref().into(),
analytics_path: analytics_path.as_ref().into(), analytics_path: analytics_path.as_ref().into(),
@ -118,13 +118,13 @@ impl DumpActor {
dump_path: self.dump_path.clone(), dump_path: self.dump_path.clone(),
db_path: self.analytics_path.clone(), db_path: self.analytics_path.clone(),
update_file_store: self.update_file_store.clone(), update_file_store: self.update_file_store.clone(),
task_store: self.task_store.clone(), scheduler: self.scheduler.clone(),
uid: uid.clone(), uid: uid.clone(),
update_db_size: self.update_db_size, update_db_size: self.update_db_size,
index_db_size: self.index_db_size, index_db_size: self.index_db_size,
}; };
let task_result = tokio::task::spawn(task.run()).await; let task_result = tokio::task::spawn_local(task.run()).await;
let mut dump_infos = self.dump_infos.write().await; let mut dump_infos = self.dump_infos.write().await;
let dump_infos = dump_infos let dump_infos = dump_infos

126
meilisearch-lib/src/index_controller/dump_actor/mod.rs
View File

@ -1,5 +1,6 @@
use std::fs::File; use std::fs::File;
use std::path::{Path, PathBuf}; use std::path::{Path, PathBuf};
use std::sync::Arc;
use anyhow::bail; use anyhow::bail;
use chrono::{DateTime, Utc}; use chrono::{DateTime, Utc};
@ -12,7 +13,7 @@ use meilisearch_auth::AuthController;
pub use message::DumpMsg; pub use message::DumpMsg;
use tempfile::TempDir; use tempfile::TempDir;
use tokio::fs::create_dir_all; use tokio::fs::create_dir_all;
use tokio::sync::oneshot; use tokio::sync::{oneshot, RwLock};
use crate::analytics; use crate::analytics;
use crate::compression::{from_tar_gz, to_tar_gz}; use crate::compression::{from_tar_gz, to_tar_gz};
@ -20,7 +21,7 @@ use crate::index_controller::dump_actor::error::DumpActorError;
use crate::index_controller::dump_actor::loaders::{v2, v3, v4}; use crate::index_controller::dump_actor::loaders::{v2, v3, v4};
use crate::options::IndexerOpts; use crate::options::IndexerOpts;
use crate::tasks::task::Job; use crate::tasks::task::Job;
use crate::tasks::TaskStore; use crate::tasks::Scheduler;
use crate::update_file_store::UpdateFileStore; use crate::update_file_store::UpdateFileStore;
use error::Result; use error::Result;
@ -319,7 +320,7 @@ struct DumpJob {
dump_path: PathBuf, dump_path: PathBuf,
db_path: PathBuf, db_path: PathBuf,
update_file_store: UpdateFileStore, update_file_store: UpdateFileStore,
task_store: TaskStore, scheduler: Arc<RwLock<Scheduler>>,
uid: String, uid: String,
update_db_size: usize, update_db_size: usize,
index_db_size: usize, index_db_size: usize,
@ -344,21 +345,28 @@ impl DumpJob {
let (sender, receiver) = oneshot::channel(); let (sender, receiver) = oneshot::channel();
self.task_store self.scheduler
.register_job(Job::Dump { .write()
.await
.schedule_job(Job::Dump {
ret: sender, ret: sender,
path: temp_dump_path.clone(), path: temp_dump_path.clone(),
}) })
.await; .await;
receiver.await??;
self.task_store // wait until the job has started performing before finishing the dump process
.dump(&temp_dump_path, self.update_file_store.clone()) let sender = receiver.await??;
.await?;
AuthController::dump(&self.db_path, &temp_dump_path)?; AuthController::dump(&self.db_path, &temp_dump_path)?;
//TODO(marin): this is not right, the scheduler should dump itself, not do it here...
self.scheduler
.read()
.await
.dump(&temp_dump_path, self.update_file_store.clone())
.await?;
let dump_path = tokio::task::spawn_blocking(move || -> Result<PathBuf> { let dump_path = tokio::task::spawn_blocking(move || -> Result<PathBuf> {
let _ = &self;
// for now we simply copy the updates/updates_files // for now we simply copy the updates/updates_files
// FIXME: We may copy more files than necessary, if new files are added while we are // FIXME: We may copy more files than necessary, if new files are added while we are
// performing the dump. We need a way to filter them out. // performing the dump. We need a way to filter them out.
@ -374,6 +382,9 @@ impl DumpJob {
}) })
.await??; .await??;
// notify the update loop that we are finished performing the dump.
let _ = sender.send(());
info!("Created dump in {:?}.", dump_path); info!("Created dump in {:?}.", dump_path);
Ok(()) Ok(())
@ -382,19 +393,15 @@ impl DumpJob {
#[cfg(test)] #[cfg(test)]
mod test { mod test {
use std::collections::HashSet;
use futures::future::{err, ok};
use nelson::Mocker; use nelson::Mocker;
use once_cell::sync::Lazy; use once_cell::sync::Lazy;
use uuid::Uuid;
use super::*; use super::*;
use crate::index::error::Result as IndexResult;
use crate::index::Index;
use crate::index_resolver::error::IndexResolverError; use crate::index_resolver::error::IndexResolverError;
use crate::index_resolver::index_store::MockIndexStore; use crate::options::SchedulerConfig;
use crate::index_resolver::meta_store::MockIndexMetaStore; use crate::tasks::error::Result as TaskResult;
use crate::tasks::task::{Task, TaskId};
use crate::tasks::{MockTaskPerformer, TaskFilter, TaskStore};
use crate::update_file_store::UpdateFileStore; use crate::update_file_store::UpdateFileStore;
fn setup() { fn setup() {
@ -411,86 +418,91 @@ mod test {
} }
#[actix_rt::test] #[actix_rt::test]
#[ignore]
async fn test_dump_normal() { async fn test_dump_normal() {
setup(); setup();
let tmp = tempfile::tempdir().unwrap(); let tmp = tempfile::tempdir().unwrap();
let uuids = std::iter::repeat_with(Uuid::new_v4)
.take(4)
.collect::<HashSet<_>>();
let mut uuid_store = MockIndexMetaStore::new();
uuid_store
.expect_dump()
.once()
.returning(move |_| Box::pin(ok(())));
let mut index_store = MockIndexStore::new();
index_store.expect_get().times(4).returning(move |uuid| {
let mocker = Mocker::default();
let uuids_clone = uuids.clone();
mocker.when::<(), Uuid>("uuid").once().then(move |_| {
assert!(uuids_clone.contains(&uuid));
uuid
});
mocker
.when::<&Path, IndexResult<()>>("dump")
.once()
.then(move |_| Ok(()));
Box::pin(ok(Some(Index::mock(mocker))))
});
let mocker = Mocker::default(); let mocker = Mocker::default();
let update_file_store = UpdateFileStore::mock(mocker); let update_file_store = UpdateFileStore::mock(mocker);
//let update_sender = let mut performer = MockTaskPerformer::new();
// create_update_handler(index_resolver.clone(), tmp.path(), 4096 * 100).unwrap(); performer
.expect_process_job()
//TODO: fix dump tests .once()
.returning(|j| match j {
Job::Dump { ret, .. } => {
let (sender, _receiver) = oneshot::channel();
ret.send(Ok(sender)).unwrap();
}
_ => unreachable!(),
});
let performer = Arc::new(performer);
let mocker = Mocker::default(); let mocker = Mocker::default();
let task_store = TaskStore::mock(mocker); mocker
.when::<(&Path, UpdateFileStore), TaskResult<()>>("dump")
.then(|_| Ok(()));
mocker
.when::<(Option<TaskId>, Option<TaskFilter>, Option<usize>), TaskResult<Vec<Task>>>(
"list_tasks",
)
.then(|_| Ok(Vec::new()));
let store = TaskStore::mock(mocker);
let config = SchedulerConfig::default();
let scheduler = Scheduler::new(store, performer, config).unwrap();
let task = DumpJob { let task = DumpJob {
dump_path: tmp.path().into(), dump_path: tmp.path().into(),
// this should do nothing // this should do nothing
update_file_store, update_file_store,
db_path: tmp.path().into(), db_path: tmp.path().into(),
task_store,
uid: String::from("test"), uid: String::from("test"),
update_db_size: 4096 * 10, update_db_size: 4096 * 10,
index_db_size: 4096 * 10, index_db_size: 4096 * 10,
scheduler,
}; };
task.run().await.unwrap(); task.run().await.unwrap();
} }
#[actix_rt::test] #[actix_rt::test]
#[ignore]
async fn error_performing_dump() { async fn error_performing_dump() {
let tmp = tempfile::tempdir().unwrap(); let tmp = tempfile::tempdir().unwrap();
let mut uuid_store = MockIndexMetaStore::new();
uuid_store
.expect_dump()
.once()
.returning(move |_| Box::pin(err(IndexResolverError::ExistingPrimaryKey)));
let mocker = Mocker::default(); let mocker = Mocker::default();
let file_store = UpdateFileStore::mock(mocker); let file_store = UpdateFileStore::mock(mocker);
let mocker = Mocker::default(); let mocker = Mocker::default();
mocker
.when::<(Option<TaskId>, Option<TaskFilter>, Option<usize>), TaskResult<Vec<Task>>>(
"list_tasks",
)
.then(|_| Ok(Vec::new()));
let task_store = TaskStore::mock(mocker); let task_store = TaskStore::mock(mocker);
let mut performer = MockTaskPerformer::new();
performer
.expect_process_job()
.once()
.returning(|job| match job {
Job::Dump { ret, .. } => drop(ret.send(Err(IndexResolverError::BadlyFormatted(
"blabla".to_string(),
)))),
_ => unreachable!(),
});
let performer = Arc::new(performer);
let scheduler = Scheduler::new(task_store, performer, SchedulerConfig::default()).unwrap();
let task = DumpJob { let task = DumpJob {
dump_path: tmp.path().into(), dump_path: tmp.path().into(),
// this should do nothing // this should do nothing
db_path: tmp.path().into(), db_path: tmp.path().into(),
update_file_store: file_store, update_file_store: file_store,
task_store,
uid: String::from("test"), uid: String::from("test"),
update_db_size: 4096 * 10, update_db_size: 4096 * 10,
index_db_size: 4096 * 10, index_db_size: 4096 * 10,
scheduler,
}; };
assert!(task.run().await.is_err()); assert!(task.run().await.is_err());

90
meilisearch-lib/src/index_controller/mod.rs
View File

@ -13,7 +13,7 @@ use futures::Stream;
use futures::StreamExt; use futures::StreamExt;
use milli::update::IndexDocumentsMethod; use milli::update::IndexDocumentsMethod;
use serde::{Deserialize, Serialize}; use serde::{Deserialize, Serialize};
use tokio::sync::mpsc; use tokio::sync::{mpsc, RwLock};
use tokio::task::spawn_blocking; use tokio::task::spawn_blocking;
use tokio::time::sleep; use tokio::time::sleep;
use uuid::Uuid; use uuid::Uuid;
@ -23,12 +23,11 @@ use crate::index::{
Checked, Document, IndexMeta, IndexStats, SearchQuery, SearchResult, Settings, Unchecked, Checked, Document, IndexMeta, IndexStats, SearchQuery, SearchResult, Settings, Unchecked,
}; };
use crate::index_controller::dump_actor::{load_dump, DumpActor, DumpActorHandleImpl}; use crate::index_controller::dump_actor::{load_dump, DumpActor, DumpActorHandleImpl};
use crate::options::IndexerOpts; use crate::options::{IndexerOpts, SchedulerConfig};
use crate::snapshot::{load_snapshot, SnapshotService}; use crate::snapshot::{load_snapshot, SnapshotService};
use crate::tasks::create_task_store;
use crate::tasks::error::TaskError; use crate::tasks::error::TaskError;
use crate::tasks::task::{DocumentDeletion, Task, TaskContent, TaskId}; use crate::tasks::task::{DocumentDeletion, Task, TaskContent, TaskId};
use crate::tasks::{TaskFilter, TaskStore}; use crate::tasks::{Scheduler, TaskFilter, TaskStore};
use error::Result; use error::Result;
use self::dump_actor::{DumpActorHandle, DumpInfo}; use self::dump_actor::{DumpActorHandle, DumpInfo};
@ -68,6 +67,7 @@ pub struct IndexSettings {
pub struct IndexController<U, I> { pub struct IndexController<U, I> {
index_resolver: Arc<IndexResolver<U, I>>, index_resolver: Arc<IndexResolver<U, I>>,
scheduler: Arc<RwLock<Scheduler>>,
task_store: TaskStore, task_store: TaskStore,
dump_handle: dump_actor::DumpActorHandleImpl, dump_handle: dump_actor::DumpActorHandleImpl,
update_file_store: UpdateFileStore, update_file_store: UpdateFileStore,
@ -78,9 +78,10 @@ impl<U, I> Clone for IndexController<U, I> {
fn clone(&self) -> Self { fn clone(&self) -> Self {
Self { Self {
index_resolver: self.index_resolver.clone(), index_resolver: self.index_resolver.clone(),
task_store: self.task_store.clone(), scheduler: self.scheduler.clone(),
dump_handle: self.dump_handle.clone(), dump_handle: self.dump_handle.clone(),
update_file_store: self.update_file_store.clone(), update_file_store: self.update_file_store.clone(),
task_store: self.task_store.clone(),
} }
} }
} }
@ -160,6 +161,7 @@ impl IndexControllerBuilder {
self, self,
db_path: impl AsRef<Path>, db_path: impl AsRef<Path>,
indexer_options: IndexerOpts, indexer_options: IndexerOpts,
scheduler_config: SchedulerConfig,
) -> anyhow::Result<MeiliSearch> { ) -> anyhow::Result<MeiliSearch> {
let index_size = self let index_size = self
.max_index_size .max_index_size
@ -217,8 +219,9 @@ impl IndexControllerBuilder {
update_file_store.clone(), update_file_store.clone(),
)?); )?);
let task_store = let task_store = TaskStore::new(meta_env)?;
create_task_store(meta_env, index_resolver.clone()).map_err(|e| anyhow::anyhow!(e))?; let scheduler =
Scheduler::new(task_store.clone(), index_resolver.clone(), scheduler_config)?;
let dump_path = self let dump_path = self
.dump_dst .dump_dst
@ -229,14 +232,14 @@ impl IndexControllerBuilder {
let actor = DumpActor::new( let actor = DumpActor::new(
receiver, receiver,
update_file_store.clone(), update_file_store.clone(),
task_store.clone(), scheduler.clone(),
dump_path, dump_path,
analytics_path, analytics_path,
index_size, index_size,
task_store_size, task_store_size,
); );
tokio::task::spawn(actor.run()); tokio::task::spawn_local(actor.run());
DumpActorHandleImpl { sender } DumpActorHandleImpl { sender }
}; };
@ -255,17 +258,18 @@ impl IndexControllerBuilder {
snapshot_path, snapshot_path,
index_size, index_size,
meta_env_size: task_store_size, meta_env_size: task_store_size,
task_store: task_store.clone(), scheduler: scheduler.clone(),
}; };
tokio::task::spawn(snapshot_service.run()); tokio::task::spawn_local(snapshot_service.run());
} }
Ok(IndexController { Ok(IndexController {
index_resolver, index_resolver,
task_store, scheduler,
dump_handle, dump_handle,
update_file_store, update_file_store,
task_store,
}) })
} }
@ -415,12 +419,13 @@ where
}; };
let task = self.task_store.register(uid, content).await?; let task = self.task_store.register(uid, content).await?;
self.scheduler.read().await.notify();
Ok(task) Ok(task)
} }
pub async fn get_task(&self, id: TaskId, filter: Option<TaskFilter>) -> Result<Task> { pub async fn get_task(&self, id: TaskId, filter: Option<TaskFilter>) -> Result<Task> {
let task = self.task_store.get_task(id, filter).await?; let task = self.scheduler.read().await.get_task(id, filter).await?;
Ok(task) Ok(task)
} }
@ -435,7 +440,12 @@ where
let mut filter = TaskFilter::default(); let mut filter = TaskFilter::default();
filter.filter_index(index_uid); filter.filter_index(index_uid);
let task = self.task_store.get_task(task_id, Some(filter)).await?; let task = self
.scheduler
.read()
.await
.get_task(task_id, Some(filter))
.await?;
Ok(task) Ok(task)
} }
@ -446,7 +456,12 @@ where
limit: Option<usize>, limit: Option<usize>,
offset: Option<TaskId>, offset: Option<TaskId>,
) -> Result<Vec<Task>> { ) -> Result<Vec<Task>> {
let tasks = self.task_store.list_tasks(offset, filter, limit).await?; let tasks = self
.scheduler
.read()
.await
.list_tasks(offset, filter, limit)
.await?;
Ok(tasks) Ok(tasks)
} }
@ -466,7 +481,9 @@ where
filter.filter_index(index_uid); filter.filter_index(index_uid);
let tasks = self let tasks = self
.task_store .scheduler
.read()
.await
.list_tasks( .list_tasks(
Some(offset.unwrap_or_default() + task_id), Some(offset.unwrap_or_default() + task_id),
Some(filter), Some(filter),
@ -547,10 +564,11 @@ where
} }
pub async fn get_index_stats(&self, uid: String) -> Result<IndexStats> { pub async fn get_index_stats(&self, uid: String) -> Result<IndexStats> {
let last_task = self.task_store.get_processing_task().await?; let processing_tasks = self.scheduler.read().await.get_processing_tasks().await?;
// Check if the currently indexing update is from our index. // Check if the currently indexing update is from our index.
let is_indexing = last_task let is_indexing = processing_tasks
.map(|task| task.index_uid.into_inner() == uid) .first()
.map(|task| task.index_uid.as_str() == uid)
.unwrap_or_default(); .unwrap_or_default();
let index = self.index_resolver.get_index(uid).await?; let index = self.index_resolver.get_index(uid).await?;
@ -564,7 +582,7 @@ where
let mut last_task: Option<DateTime<_>> = None; let mut last_task: Option<DateTime<_>> = None;
let mut indexes = BTreeMap::new(); let mut indexes = BTreeMap::new();
let mut database_size = 0; let mut database_size = 0;
let processing_task = self.task_store.get_processing_task().await?; let processing_tasks = self.scheduler.read().await.get_processing_tasks().await?;
for (index_uid, index) in self.index_resolver.list().await? { for (index_uid, index) in self.index_resolver.list().await? {
if !search_rules.is_index_authorized(&index_uid) { if !search_rules.is_index_authorized(&index_uid) {
@ -584,8 +602,8 @@ where
}); });
// Check if the currently indexing update is from our index. // Check if the currently indexing update is from our index.
stats.is_indexing = processing_task stats.is_indexing = processing_tasks
.as_ref() .first()
.map(|p| p.index_uid.as_str() == index_uid) .map(|p| p.index_uid.as_str() == index_uid)
.or(Some(false)); .or(Some(false));
@ -637,16 +655,18 @@ mod test {
impl IndexController<MockIndexMetaStore, MockIndexStore> { impl IndexController<MockIndexMetaStore, MockIndexStore> {
pub fn mock( pub fn mock(
index_resolver: IndexResolver<MockIndexMetaStore, MockIndexStore>, index_resolver: Arc<IndexResolver<MockIndexMetaStore, MockIndexStore>>,
task_store: TaskStore, task_store: TaskStore,
update_file_store: UpdateFileStore, update_file_store: UpdateFileStore,
dump_handle: DumpActorHandleImpl, dump_handle: DumpActorHandleImpl,
scheduler: Arc<RwLock<Scheduler>>,
) -> Self { ) -> Self {
IndexController { IndexController {
index_resolver: Arc::new(index_resolver), index_resolver,
task_store, task_store,
dump_handle, dump_handle,
update_file_store, update_file_store,
scheduler,
} }
} }
} }
@ -719,13 +739,27 @@ mod test {
let task_store_mocker = nelson::Mocker::default(); let task_store_mocker = nelson::Mocker::default();
let mocker = Mocker::default(); let mocker = Mocker::default();
let update_file_store = UpdateFileStore::mock(mocker); let update_file_store = UpdateFileStore::mock(mocker);
let index_resolver = IndexResolver::new(uuid_store, index_store, update_file_store.clone()); let index_resolver = Arc::new(IndexResolver::new(
uuid_store,
index_store,
update_file_store.clone(),
));
let task_store = TaskStore::mock(task_store_mocker); let task_store = TaskStore::mock(task_store_mocker);
// let dump_actor = MockDumpActorHandle::new(); let scheduler = Scheduler::new(
task_store.clone(),
index_resolver.clone(),
SchedulerConfig::default(),
)
.unwrap();
let (sender, _) = mpsc::channel(1); let (sender, _) = mpsc::channel(1);
let dump_handle = DumpActorHandleImpl { sender }; let dump_handle = DumpActorHandleImpl { sender };
let index_controller = let index_controller = IndexController::mock(
IndexController::mock(index_resolver, task_store, update_file_store, dump_handle); index_resolver,
task_store,
update_file_store,
dump_handle,
scheduler,
);
let r = index_controller let r = index_controller
.search(index_uid.to_owned(), query.clone()) .search(index_uid.to_owned(), query.clone())

13
meilisearch-lib/src/index_resolver/index_store.rs
View File

@ -1,14 +1,15 @@
use std::collections::HashMap; use std::collections::HashMap;
use std::convert::TryFrom;
use std::path::{Path, PathBuf}; use std::path::{Path, PathBuf};
use std::sync::Arc; use std::sync::Arc;
use milli::update::IndexerConfig;
use tokio::fs; use tokio::fs;
use tokio::sync::RwLock; use tokio::sync::RwLock;
use tokio::task::spawn_blocking; use tokio::task::spawn_blocking;
use uuid::Uuid; use uuid::Uuid;
use super::error::{IndexResolverError, Result}; use super::error::{IndexResolverError, Result};
use crate::index::update_handler::UpdateHandler;
use crate::index::Index; use crate::index::Index;
use crate::options::IndexerOpts; use crate::options::IndexerOpts;
@ -26,7 +27,7 @@ pub struct MapIndexStore {
index_store: AsyncMap<Uuid, Index>, index_store: AsyncMap<Uuid, Index>,
path: PathBuf, path: PathBuf,
index_size: usize, index_size: usize,
update_handler: Arc<UpdateHandler>, indexer_config: Arc<IndexerConfig>,
} }
impl MapIndexStore { impl MapIndexStore {
@ -35,14 +36,14 @@ impl MapIndexStore {
index_size: usize, index_size: usize,
indexer_opts: &IndexerOpts, indexer_opts: &IndexerOpts,
) -> anyhow::Result<Self> { ) -> anyhow::Result<Self> {
let update_handler = Arc::new(UpdateHandler::new(indexer_opts)?); let indexer_config = Arc::new(IndexerConfig::try_from(indexer_opts)?);
let path = path.as_ref().join("indexes/"); let path = path.as_ref().join("indexes/");
let index_store = Arc::new(RwLock::new(HashMap::new())); let index_store = Arc::new(RwLock::new(HashMap::new()));
Ok(Self { Ok(Self {
index_store, index_store,
path, path,
index_size, index_size,
update_handler, indexer_config,
}) })
} }
} }
@ -63,7 +64,7 @@ impl IndexStore for MapIndexStore {
} }
let index_size = self.index_size; let index_size = self.index_size;
let update_handler = self.update_handler.clone(); let update_handler = self.indexer_config.clone();
let index = spawn_blocking(move || -> Result<Index> { let index = spawn_blocking(move || -> Result<Index> {
let index = Index::open(path, index_size, uuid, update_handler)?; let index = Index::open(path, index_size, uuid, update_handler)?;
Ok(index) Ok(index)
@ -88,7 +89,7 @@ impl IndexStore for MapIndexStore {
} }
let index_size = self.index_size; let index_size = self.index_size;
let update_handler = self.update_handler.clone(); let update_handler = self.indexer_config.clone();
let index = let index =
spawn_blocking(move || Index::open(path, index_size, uuid, update_handler)) spawn_blocking(move || Index::open(path, index_size, uuid, update_handler))
.await??; .await??;

160
meilisearch-lib/src/index_resolver/mod.rs
View File

@ -2,7 +2,7 @@ pub mod error;
pub mod index_store; pub mod index_store;
pub mod meta_store; pub mod meta_store;
use std::convert::TryInto; use std::convert::{TryFrom, TryInto};
use std::path::Path; use std::path::Path;
use std::sync::Arc; use std::sync::Arc;
@ -12,16 +12,17 @@ use heed::Env;
use index_store::{IndexStore, MapIndexStore}; use index_store::{IndexStore, MapIndexStore};
use meilisearch_error::ResponseError; use meilisearch_error::ResponseError;
use meta_store::{HeedMetaStore, IndexMetaStore}; use meta_store::{HeedMetaStore, IndexMetaStore};
use milli::update::DocumentDeletionResult; use milli::update::{DocumentDeletionResult, IndexerConfig};
use serde::{Deserialize, Serialize}; use serde::{Deserialize, Serialize};
use tokio::sync::oneshot;
use tokio::task::spawn_blocking; use tokio::task::spawn_blocking;
use uuid::Uuid; use uuid::Uuid;
use crate::index::{error::Result as IndexResult, update_handler::UpdateHandler, Index}; use crate::index::{error::Result as IndexResult, Index};
use crate::options::IndexerOpts; use crate::options::IndexerOpts;
use crate::tasks::batch::Batch; use crate::tasks::batch::Batch;
use crate::tasks::task::{DocumentDeletion, Job, Task, TaskContent, TaskEvent, TaskId, TaskResult}; use crate::tasks::task::{DocumentDeletion, Job, Task, TaskContent, TaskEvent, TaskId, TaskResult};
use crate::tasks::{Pending, TaskPerformer}; use crate::tasks::TaskPerformer;
use crate::update_file_store::UpdateFileStore; use crate::update_file_store::UpdateFileStore;
use self::meta_store::IndexMeta; use self::meta_store::IndexMeta;
@ -96,14 +97,24 @@ where
U: IndexMetaStore + Send + Sync + 'static, U: IndexMetaStore + Send + Sync + 'static,
I: IndexStore + Send + Sync + 'static, I: IndexStore + Send + Sync + 'static,
{ {
type Error = ResponseError; async fn process_batch(&self, mut batch: Batch) -> Batch {
// If a batch contains multiple tasks, then it must be a document addition batch
if let Some(Task {
content: TaskContent::DocumentAddition { .. },
..
}) = batch.tasks.first()
{
debug_assert!(batch.tasks.iter().all(|t| matches!(
t,
Task {
content: TaskContent::DocumentAddition { .. },
..
}
)));
async fn process(&self, mut batch: Batch) -> Batch { self.process_document_addition_batch(batch).await
// Until batching is implemented, all batch should contain only one update. } else {
debug_assert_eq!(batch.len(), 1); if let Some(task) = batch.tasks.first_mut() {
match batch.tasks.first_mut() {
Some(Pending::Task(task)) => {
task.events.push(TaskEvent::Processing(Utc::now())); task.events.push(TaskEvent::Processing(Utc::now()));
match self.process_task(task).await { match self.process_task(task).await {
@ -119,16 +130,13 @@ where
}), }),
} }
} }
Some(Pending::Job(job)) => {
let job = std::mem::take(job);
self.process_job(job).await;
}
None => (),
}
batch batch
} }
}
async fn process_job(&self, job: Job) {
self.process_job(job).await;
}
async fn finish(&self, batch: &Batch) { async fn finish(&self, batch: &Batch) {
for task in &batch.tasks { for task in &batch.tasks {
@ -158,9 +166,9 @@ impl IndexResolver<HeedMetaStore, MapIndexStore> {
HeedMetaStore::load_dump(&src, env)?; HeedMetaStore::load_dump(&src, env)?;
let indexes_path = src.as_ref().join("indexes"); let indexes_path = src.as_ref().join("indexes");
let indexes = indexes_path.read_dir()?; let indexes = indexes_path.read_dir()?;
let update_handler = UpdateHandler::new(indexer_opts)?; let indexer_config = IndexerConfig::try_from(indexer_opts)?;
for index in indexes { for index in indexes {
Index::load_dump(&index?.path(), &dst, index_db_size, &update_handler)?; Index::load_dump(&index?.path(), &dst, index_db_size, &indexer_config)?;
} }
Ok(()) Ok(())
@ -180,33 +188,100 @@ where
} }
} }
async fn process_task(&self, task: &Task) -> Result<TaskResult> { async fn process_document_addition_batch(&self, mut batch: Batch) -> Batch {
let index_uid = task.index_uid.clone(); fn get_content_uuid(task: &Task) -> Uuid {
match &task.content { match task {
Task {
content: TaskContent::DocumentAddition { content_uuid, .. },
..
} => *content_uuid,
_ => panic!("unexpected task in the document addition batch"),
}
}
let content_uuids = batch.tasks.iter().map(get_content_uuid).collect::<Vec<_>>();
match batch.tasks.first() {
Some(Task {
index_uid,
id,
content:
TaskContent::DocumentAddition { TaskContent::DocumentAddition {
content_uuid,
merge_strategy, merge_strategy,
primary_key, primary_key,
allow_index_creation, allow_index_creation,
.. ..
} => { },
..
}) => {
let primary_key = primary_key.clone(); let primary_key = primary_key.clone();
let content_uuid = *content_uuid;
let method = *merge_strategy; let method = *merge_strategy;
let index = if *allow_index_creation { let index = if *allow_index_creation {
self.get_or_create_index(index_uid, task.id).await? self.get_or_create_index(index_uid.clone(), *id).await
} else { } else {
self.get_index(index_uid.into_inner()).await? self.get_index(index_uid.as_str().to_string()).await
}; };
// If the index doesn't exist and we are not allowed to create it with the first
// task, we must fails the whole batch.
let now = Utc::now();
let index = match index {
Ok(index) => index,
Err(e) => {
let error = ResponseError::from(e);
for task in batch.tasks.iter_mut() {
task.events.push(TaskEvent::Failed {
error: error.clone(),
timestamp: now,
});
}
return batch;
}
};
let file_store = self.file_store.clone(); let file_store = self.file_store.clone();
let result = spawn_blocking(move || { let result = spawn_blocking(move || {
index.update_documents(method, content_uuid, primary_key, file_store) index.update_documents(
method,
primary_key,
file_store,
content_uuids.into_iter(),
)
}) })
.await??; .await;
Ok(result.into()) let event = match result {
Ok(Ok(result)) => TaskEvent::Succeded {
timestamp: Utc::now(),
result: TaskResult::DocumentAddition {
indexed_documents: result.indexed_documents,
},
},
Ok(Err(e)) => TaskEvent::Failed {
timestamp: Utc::now(),
error: e.into(),
},
Err(e) => TaskEvent::Failed {
timestamp: Utc::now(),
error: IndexResolverError::from(e).into(),
},
};
for task in batch.tasks.iter_mut() {
task.events.push(event.clone());
} }
batch
}
_ => panic!("invalid batch!"),
}
}
async fn process_task(&self, task: &Task) -> Result<TaskResult> {
let index_uid = task.index_uid.clone();
match &task.content {
TaskContent::DocumentAddition { .. } => panic!("updates should be handled by batch"),
TaskContent::DocumentDeletion(DocumentDeletion::Ids(ids)) => { TaskContent::DocumentDeletion(DocumentDeletion::Ids(ids)) => {
let ids = ids.clone(); let ids = ids.clone();
let index = self.get_index(index_uid.into_inner()).await?; let index = self.get_index(index_uid.into_inner()).await?;
@ -282,9 +357,13 @@ where
Job::Dump { ret, path } => { Job::Dump { ret, path } => {
log::trace!("The Dump task is getting executed"); log::trace!("The Dump task is getting executed");
if ret.send(self.dump(path).await).is_err() { let (sender, receiver) = oneshot::channel();
if ret.send(self.dump(path).await.map(|_| sender)).is_err() {
log::error!("The dump actor died."); log::error!("The dump actor died.");
} }
// wait until the dump has finished performing.
let _ = receiver.await;
} }
Job::Empty => log::error!("Tried to process an empty task."), Job::Empty => log::error!("Tried to process an empty task."),
Job::Snapshot(job) => { Job::Snapshot(job) => {
@ -404,7 +483,7 @@ where
#[cfg(test)] #[cfg(test)]
mod test { mod test {
use std::collections::BTreeMap; use std::{collections::BTreeMap, vec::IntoIter};
use super::*; use super::*;
@ -447,7 +526,7 @@ mod test {
mocker.when::<String, IndexResult<IndexMeta>>("update_primary_key") mocker.when::<String, IndexResult<IndexMeta>>("update_primary_key")
.then(move |_| Ok(IndexMeta{ created_at: Utc::now(), updated_at: Utc::now(), primary_key: None })); .then(move |_| Ok(IndexMeta{ created_at: Utc::now(), updated_at: Utc::now(), primary_key: None }));
} }
mocker.when::<(IndexDocumentsMethod, Uuid, Option<String>, UpdateFileStore), IndexResult<DocumentAdditionResult>>("update_documents") mocker.when::<(IndexDocumentsMethod, Option<String>, UpdateFileStore, IntoIter<Uuid>), IndexResult<DocumentAdditionResult>>("update_documents")
.then(move |(_, _, _, _)| result()); .then(move |(_, _, _, _)| result());
} }
TaskContent::SettingsUpdate{..} => { TaskContent::SettingsUpdate{..} => {
@ -462,13 +541,13 @@ mod test {
} }
TaskContent::DocumentDeletion(DocumentDeletion::Ids(_ids)) => { TaskContent::DocumentDeletion(DocumentDeletion::Ids(_ids)) => {
let result = move || if !index_op_fails { let result = move || if !index_op_fails {
Ok(any_int as u64) Ok(DocumentDeletionResult { deleted_documents: any_int as u64, remaining_documents: any_int as u64 })
} else { } else {
// return this error because it's easy to generate... // return this error because it's easy to generate...
Err(IndexError::DocumentNotFound("a doc".into())) Err(IndexError::DocumentNotFound("a doc".into()))
}; };
mocker.when::<&[String], IndexResult<u64>>("delete_documents") mocker.when::<&[String], IndexResult<DocumentDeletionResult>>("delete_documents")
.then(move |_| result()); .then(move |_| result());
}, },
TaskContent::DocumentDeletion(DocumentDeletion::Clear) => { TaskContent::DocumentDeletion(DocumentDeletion::Clear) => {
@ -561,7 +640,8 @@ mod test {
let update_file_store = UpdateFileStore::mock(mocker); let update_file_store = UpdateFileStore::mock(mocker);
let index_resolver = IndexResolver::new(uuid_store, index_store, update_file_store); let index_resolver = IndexResolver::new(uuid_store, index_store, update_file_store);
let result = index_resolver.process_task(&task).await; let batch = Batch { id: 1, created_at: Utc::now(), tasks: vec![task.clone()] };
let result = index_resolver.process_batch(batch).await;
// Test for some expected output scenarios: // Test for some expected output scenarios:
// Index creation and deletion cannot fail because of a failed index op, since they // Index creation and deletion cannot fail because of a failed index op, since they
@ -575,9 +655,9 @@ mod test {
| TaskContent::DocumentAddition { allow_index_creation: false, ..} | TaskContent::DocumentAddition { allow_index_creation: false, ..}
| TaskContent::IndexUpdate { .. } )) | TaskContent::IndexUpdate { .. } ))
{ {
assert!(result.is_err(), "{:?}", result); assert!(matches!(result.tasks[0].events.last().unwrap(), TaskEvent::Failed { .. }), "{:?}", result);
} else { } else {
assert!(result.is_ok(), "{:?}", result); assert!(matches!(result.tasks[0].events.last().unwrap(), TaskEvent::Succeded { .. }), "{:?}", result);
} }
}); });
} }

51
meilisearch-lib/src/options.rs
View File

@ -1,9 +1,10 @@
use core::fmt; use core::fmt;
use std::{ops::Deref, str::FromStr}; use std::{convert::TryFrom, ops::Deref, str::FromStr};
use byte_unit::{Byte, ByteError}; use byte_unit::{Byte, ByteError};
use clap::Parser; use clap::Parser;
use milli::CompressionType; use milli::{update::IndexerConfig, CompressionType};
use serde::Serialize;
use sysinfo::{RefreshKind, System, SystemExt}; use sysinfo::{RefreshKind, System, SystemExt};
#[derive(Debug, Clone, Parser)] #[derive(Debug, Clone, Parser)]
@ -43,6 +44,52 @@ pub struct IndexerOpts {
pub indexing_jobs: Option<usize>, pub indexing_jobs: Option<usize>,
} }
#[derive(Debug, Clone, Parser, Default, Serialize)]
pub struct SchedulerConfig {
/// enable the autobatching experimental feature
#[clap(long, hide = true)]
pub enable_autobatching: bool,
// The maximum number of updates of the same type that can be batched together.
// If unspecified, this is unlimited. A value of 0 is interpreted as 1.
#[clap(long, requires = "enable-autobatching", hide = true)]
pub max_batch_size: Option<usize>,
// The maximum number of documents in a document batch. Since batches must contain at least one
// update for the scheduler to make progress, the number of documents in a batch will be at
// least the number of documents of its first update.
#[clap(long, requires = "enable-autobatching", hide = true)]
pub max_documents_per_batch: Option<usize>,
/// Debounce duration in seconds
///
/// When a new task is enqueued, the scheduler waits for `debounce_duration_sec` seconds for new updates before
/// starting to process a batch of updates.
#[clap(long, requires = "enable-autobatching", hide = true)]
pub debounce_duration_sec: Option<u64>,
}
impl TryFrom<&IndexerOpts> for IndexerConfig {
type Error = anyhow::Error;
fn try_from(other: &IndexerOpts) -> Result<Self, Self::Error> {
let thread_pool = rayon::ThreadPoolBuilder::new()
.num_threads(other.indexing_jobs.unwrap_or(num_cpus::get() / 2))
.build()?;
Ok(Self {
log_every_n: Some(other.log_every_n),
max_nb_chunks: other.max_nb_chunks,
max_memory: (*other.max_memory).map(|b| b.get_bytes() as usize),
chunk_compression_type: other.chunk_compression_type,
chunk_compression_level: other.chunk_compression_level,
thread_pool: Some(thread_pool),
max_positions_per_attributes: None,
..Default::default()
})
}
}
impl Default for IndexerOpts { impl Default for IndexerOpts {
fn default() -> Self { fn default() -> Self {
Self { Self {

8
meilisearch-lib/src/snapshot.rs
View File

@ -1,17 +1,19 @@
use std::fs; use std::fs;
use std::path::{Path, PathBuf}; use std::path::{Path, PathBuf};
use std::sync::Arc;
use std::time::Duration; use std::time::Duration;
use anyhow::bail; use anyhow::bail;
use fs_extra::dir::{self, CopyOptions}; use fs_extra::dir::{self, CopyOptions};
use log::{info, trace}; use log::{info, trace};
use tokio::sync::RwLock;
use tokio::time::sleep; use tokio::time::sleep;
use walkdir::WalkDir; use walkdir::WalkDir;
use crate::compression::from_tar_gz; use crate::compression::from_tar_gz;
use crate::index_controller::versioning::VERSION_FILE_NAME; use crate::index_controller::versioning::VERSION_FILE_NAME;
use crate::tasks::task::Job; use crate::tasks::task::Job;
use crate::tasks::TaskStore; use crate::tasks::Scheduler;
pub struct SnapshotService { pub struct SnapshotService {
pub(crate) db_path: PathBuf, pub(crate) db_path: PathBuf,
@ -19,7 +21,7 @@ pub struct SnapshotService {
pub(crate) snapshot_path: PathBuf, pub(crate) snapshot_path: PathBuf,
pub(crate) index_size: usize, pub(crate) index_size: usize,
pub(crate) meta_env_size: usize, pub(crate) meta_env_size: usize,
pub(crate) task_store: TaskStore, pub(crate) scheduler: Arc<RwLock<Scheduler>>,
} }
impl SnapshotService { impl SnapshotService {
@ -36,7 +38,7 @@ impl SnapshotService {
index_size: self.index_size, index_size: self.index_size,
}; };
let job = Job::Snapshot(snapshot_job); let job = Job::Snapshot(snapshot_job);
self.task_store.register_job(job).await; self.scheduler.write().await.schedule_job(job).await;
sleep(self.snapshot_period).await; sleep(self.snapshot_period).await;
} }

6
meilisearch-lib/src/tasks/batch.rs
View File

@ -1,14 +1,14 @@
use chrono::{DateTime, Utc}; use chrono::{DateTime, Utc};
use super::{task::Task, task_store::Pending}; use super::task::Task;
pub type BatchId = u32; pub type BatchId = u64;
#[derive(Debug)] #[derive(Debug)]
pub struct Batch { pub struct Batch {
pub id: BatchId, pub id: BatchId,
pub created_at: DateTime<Utc>, pub created_at: DateTime<Utc>,
pub tasks: Vec<Pending<Task>>, pub tasks: Vec<Task>,
} }
impl Batch { impl Batch {

31
meilisearch-lib/src/tasks/mod.rs
View File

@ -1,47 +1,38 @@
use std::sync::Arc;
use std::time::Duration;
use async_trait::async_trait; use async_trait::async_trait;
use serde::{Deserialize, Serialize};
pub use scheduler::Scheduler;
pub use task_store::TaskFilter;
#[cfg(test)] #[cfg(test)]
pub use task_store::test::MockTaskStore as TaskStore; pub use task_store::test::MockTaskStore as TaskStore;
#[cfg(not(test))] #[cfg(not(test))]
pub use task_store::TaskStore; pub use task_store::TaskStore;
pub use task_store::{Pending, TaskFilter};
use batch::Batch; use batch::Batch;
use error::Result; use error::Result;
use scheduler::Scheduler;
use self::task::Job;
pub mod batch; pub mod batch;
pub mod error; pub mod error;
pub mod scheduler; mod scheduler;
pub mod task; pub mod task;
mod task_store; mod task_store;
pub mod update_loop;
#[cfg_attr(test, mockall::automock(type Error=test::DebugError;))] #[cfg_attr(test, mockall::automock(type Error=test::DebugError;))]
#[async_trait] #[async_trait]
pub trait TaskPerformer: Sync + Send + 'static { pub trait TaskPerformer: Sync + Send + 'static {
type Error: Serialize + for<'de> Deserialize<'de> + std::error::Error + Sync + Send + 'static;
/// Processes the `Task` batch returning the batch with the `Task` updated. /// Processes the `Task` batch returning the batch with the `Task` updated.
async fn process(&self, batch: Batch) -> Batch; async fn process_batch(&self, batch: Batch) -> Batch;
async fn process_job(&self, job: Job);
/// `finish` is called when the result of `process` has been commited to the task store. This /// `finish` is called when the result of `process` has been commited to the task store. This
/// method can be used to perform cleanup after the update has been completed for example. /// method can be used to perform cleanup after the update has been completed for example.
async fn finish(&self, batch: &Batch); async fn finish(&self, batch: &Batch);
} }
pub fn create_task_store<P>(env: Arc<heed::Env>, performer: Arc<P>) -> Result<TaskStore>
where
P: TaskPerformer,
{
let task_store = TaskStore::new(env)?;
let scheduler = Scheduler::new(task_store.clone(), performer, Duration::from_millis(1));
tokio::task::spawn_local(scheduler.run());
Ok(task_store)
}
#[cfg(test)] #[cfg(test)]
mod test { mod test {
use serde::{Deserialize, Serialize}; use serde::{Deserialize, Serialize};

667
meilisearch-lib/src/tasks/scheduler.rs
View File

@ -1,253 +1,526 @@
use std::cmp::Ordering;
use std::collections::{hash_map::Entry, BinaryHeap, HashMap, VecDeque};
use std::ops::{Deref, DerefMut};
use std::path::Path;
use std::sync::Arc; use std::sync::Arc;
use std::time::Duration; use std::time::Duration;
use atomic_refcell::AtomicRefCell;
use chrono::Utc; use chrono::Utc;
use serde::{Deserialize, Serialize}; use milli::update::IndexDocumentsMethod;
use tokio::sync::{watch, RwLock};
use crate::options::SchedulerConfig;
use crate::update_file_store::UpdateFileStore;
use super::batch::Batch; use super::batch::Batch;
use super::error::Result; use super::error::Result;
#[cfg(test)] use super::task::{Job, Task, TaskContent, TaskEvent, TaskId};
use super::task_store::test::MockTaskStore as TaskStore; use super::update_loop::UpdateLoop;
use super::task_store::Pending; use super::{TaskFilter, TaskPerformer, TaskStore};
#[cfg(not(test))]
use super::task_store::TaskStore;
use super::TaskPerformer;
use crate::tasks::task::TaskEvent;
/// The scheduler roles is to perform batches of tasks one at a time. It will monitor the TaskStore #[derive(Eq, Debug, Clone, Copy)]
/// for new tasks, put them in a batch, and process the batch as soon as possible. enum TaskType {
/// DocumentAddition { number: usize },
/// When a batch is currently processing, the scheduler is just waiting. DocumentUpdate { number: usize },
pub struct Scheduler<P: TaskPerformer> { Other,
store: TaskStore,
performer: Arc<P>,
/// The interval at which the the `TaskStore` should be checked for new updates
task_store_check_interval: Duration,
} }
impl<P> Scheduler<P> /// Two tasks are equal if they have the same type.
where impl PartialEq for TaskType {
P: TaskPerformer + Send + Sync + 'static, fn eq(&self, other: &Self) -> bool {
P::Error: Serialize + for<'de> Deserialize<'de> + Send + Sync + 'static, matches!(
{ (self, other),
pub fn new(store: TaskStore, performer: Arc<P>, task_store_check_interval: Duration) -> Self { (Self::DocumentAddition { .. }, Self::DocumentAddition { .. })
| (Self::DocumentUpdate { .. }, Self::DocumentUpdate { .. })
)
}
}
#[derive(Eq, Debug, Clone, Copy)]
struct PendingTask {
kind: TaskType,
id: TaskId,
}
impl PartialEq for PendingTask {
fn eq(&self, other: &Self) -> bool {
self.id.eq(&other.id)
}
}
impl PartialOrd for PendingTask {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
Some(self.cmp(other))
}
}
impl Ord for PendingTask {
fn cmp(&self, other: &Self) -> Ordering {
self.id.cmp(&other.id).reverse()
}
}
#[derive(Debug)]
struct TaskList {
index: String,
tasks: BinaryHeap<PendingTask>,
}
impl Deref for TaskList {
type Target = BinaryHeap<PendingTask>;
fn deref(&self) -> &Self::Target {
&self.tasks
}
}
impl DerefMut for TaskList {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.tasks
}
}
impl TaskList {
fn new(index: String) -> Self {
Self { Self {
index,
tasks: Default::default(),
}
}
}
impl PartialEq for TaskList {
fn eq(&self, other: &Self) -> bool {
self.index == other.index
}
}
impl Eq for TaskList {}
impl Ord for TaskList {
fn cmp(&self, other: &Self) -> Ordering {
match (self.peek(), other.peek()) {
(None, None) => Ordering::Equal,
(None, Some(_)) => Ordering::Less,
(Some(_), None) => Ordering::Greater,
(Some(lhs), Some(rhs)) => lhs.cmp(rhs),
}
}
}
impl PartialOrd for TaskList {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
Some(self.cmp(other))
}
}
#[derive(Default)]
struct TaskQueue {
/// Maps index uids to their TaskList, for quick access
index_tasks: HashMap<String, Arc<AtomicRefCell<TaskList>>>,
/// A queue that orders TaskList by the priority of their fist update
queue: BinaryHeap<Arc<AtomicRefCell<TaskList>>>,
}
impl TaskQueue {
fn insert(&mut self, task: Task) {
let uid = task.index_uid.into_inner();
let id = task.id;
let kind = match task.content {
TaskContent::DocumentAddition {
documents_count,
merge_strategy: IndexDocumentsMethod::ReplaceDocuments,
..
} => TaskType::DocumentAddition {
number: documents_count,
},
TaskContent::DocumentAddition {
documents_count,
merge_strategy: IndexDocumentsMethod::UpdateDocuments,
..
} => TaskType::DocumentUpdate {
number: documents_count,
},
_ => TaskType::Other,
};
let task = PendingTask { kind, id };
match self.index_tasks.entry(uid) {
Entry::Occupied(entry) => {
// A task list already exists for this index, all we have to to is to push the new
// update to the end of the list. This won't change the order since ids are
// monotically increasing.
let mut list = entry.get().borrow_mut();
// We only need the first element to be lower than the one we want to
// insert to preserve the order in the queue.
assert!(list.peek().map(|old_id| id >= old_id.id).unwrap_or(true));
list.push(task);
}
Entry::Vacant(entry) => {
let mut task_list = TaskList::new(entry.key().to_owned());
task_list.push(task);
let task_list = Arc::new(AtomicRefCell::new(task_list));
entry.insert(task_list.clone());
self.queue.push(task_list);
}
}
}
/// Passes a context with a view to the task list of the next index to schedule. It is
/// guaranteed that the first id from task list will be the lowest pending task id.
fn head_mut<R>(&mut self, mut f: impl FnMut(&mut TaskList) -> R) -> Option<R> {
let head = self.queue.pop()?;
let result = {
let mut ref_head = head.borrow_mut();
f(&mut *ref_head)
};
if !head.borrow().tasks.is_empty() {
// After being mutated, the head is reinserted to the correct position.
self.queue.push(head);
} else {
self.index_tasks.remove(&head.borrow().index);
}
Some(result)
}
pub fn is_empty(&self) -> bool {
self.queue.is_empty() && self.index_tasks.is_empty()
}
}
pub struct Scheduler {
jobs: VecDeque<Job>,
tasks: TaskQueue,
store: TaskStore,
processing: Vec<TaskId>,
next_fetched_task_id: TaskId,
config: SchedulerConfig,
/// Notifies the update loop that a new task was received
notifier: watch::Sender<()>,
}
impl Scheduler {
pub fn new<P>(
store: TaskStore,
performer: Arc<P>,
mut config: SchedulerConfig,
) -> Result<Arc<RwLock<Self>>>
where
P: TaskPerformer,
{
let (notifier, rcv) = watch::channel(());
let debounce_time = config.debounce_duration_sec;
// Disable autobatching
if !config.enable_autobatching {
config.max_batch_size = Some(1);
}
let this = Self {
jobs: VecDeque::new(),
tasks: TaskQueue::default(),
store, store,
processing: Vec::new(),
next_fetched_task_id: 0,
config,
notifier,
};
// Notify update loop to start processing pending updates immediately after startup.
this.notify();
let this = Arc::new(RwLock::new(this));
let update_loop = UpdateLoop::new(
this.clone(),
performer, performer,
task_store_check_interval, debounce_time.filter(|&v| v > 0).map(Duration::from_secs),
rcv,
);
tokio::task::spawn_local(update_loop.run());
Ok(this)
}
pub async fn dump(&self, path: &Path, file_store: UpdateFileStore) -> Result<()> {
self.store.dump(path, file_store).await
}
fn register_task(&mut self, task: Task) {
assert!(!task.is_finished());
self.tasks.insert(task);
}
/// Clears the processing list, this method should be called when the processing of a batch is finished.
pub fn finish(&mut self) {
self.processing.clear();
}
pub fn notify(&self) {
let _ = self.notifier.send(());
}
fn notify_if_not_empty(&self) {
if !self.jobs.is_empty() || !self.tasks.is_empty() {
self.notify();
} }
} }
pub async fn run(self) { pub async fn update_tasks(&self, tasks: Vec<Task>) -> Result<Vec<Task>> {
loop { self.store.update_tasks(tasks).await
if let Err(e) = self.process_next_batch().await {
log::error!("an error occured while processing an update batch: {}", e);
}
}
} }
async fn process_next_batch(&self) -> Result<()> { pub async fn get_task(&self, id: TaskId, filter: Option<TaskFilter>) -> Result<Task> {
match self.prepare_batch().await? { self.store.get_task(id, filter).await
Some(mut batch) => {
for task in &mut batch.tasks {
match task {
Pending::Task(task) => task.events.push(TaskEvent::Processing(Utc::now())),
Pending::Job(_) => (),
}
} }
// the jobs are ignored pub async fn list_tasks(
batch.tasks = self.store.update_tasks(batch.tasks).await?; &self,
offset: Option<TaskId>,
let performer = self.performer.clone(); filter: Option<TaskFilter>,
let batch_result = performer.process(batch).await; limit: Option<usize>,
self.handle_batch_result(batch_result).await?; ) -> Result<Vec<Task>> {
} self.store.list_tasks(offset, filter, limit).await
None => {
// No update found to create a batch we wait a bit before we retry.
tokio::time::sleep(self.task_store_check_interval).await;
}
} }
Ok(()) pub async fn get_processing_tasks(&self) -> Result<Vec<Task>> {
let mut tasks = Vec::new();
for id in self.processing.iter() {
let task = self.store.get_task(*id, None).await?;
tasks.push(task);
} }
/// Checks for pending tasks and groups them in a batch. If there are no pending update, Ok(tasks)
/// return Ok(None) }
///
/// Until batching is properly implemented, the batches contain only one task.
async fn prepare_batch(&self) -> Result<Option<Batch>> {
match self.store.peek_pending_task().await {
Some(Pending::Task(next_task_id)) => {
let mut task = self.store.get_task(next_task_id, None).await?;
task.events.push(TaskEvent::Batched { pub async fn schedule_job(&mut self, job: Job) {
timestamp: Utc::now(), self.jobs.push_back(job);
batch_id: 0, self.notify();
}
async fn fetch_pending_tasks(&mut self) -> Result<()> {
// We must NEVER re-enqueue an already processed task! It's content uuid would point to an unexisting file.
//
// TODO(marin): This may create some latency when the first batch lazy loads the pending updates.
let mut filter = TaskFilter::default();
filter.filter_fn(|task| !task.is_finished());
self.store
.list_tasks(Some(self.next_fetched_task_id), Some(filter), None)
.await?
.into_iter()
// The tasks arrive in reverse order, and we need to insert them in order.
.rev()
.for_each(|t| {
self.next_fetched_task_id = t.id + 1;
self.register_task(t);
}); });
let batch = Batch {
id: 0,
// index_uid: task.index_uid.clone(),
created_at: Utc::now(),
tasks: vec![Pending::Task(task)],
};
Ok(Some(batch))
}
Some(Pending::Job(job)) => Ok(Some(Batch {
id: 0,
created_at: Utc::now(),
tasks: vec![Pending::Job(job)],
})),
None => Ok(None),
}
}
/// Handles the result from a batch processing.
///
/// When a task is processed, the result of the processing is pushed to its event list. The
/// handle batch result make sure that the new state is save into its store.
/// The tasks are then removed from the processing queue.
async fn handle_batch_result(&self, mut batch: Batch) -> Result<()> {
let tasks = self.store.update_tasks(batch.tasks).await?;
batch.tasks = tasks;
self.store.delete_pending(&batch.tasks[0]).await;
self.performer.finish(&batch).await;
Ok(()) Ok(())
} }
/// Prepare the next batch, and set `processing` to the ids in that batch.
pub async fn prepare(&mut self) -> Result<Pending> {
// If there is a job to process, do it first.
if let Some(job) = self.jobs.pop_front() {
// There is more work to do, notify the update loop
self.notify_if_not_empty();
return Ok(Pending::Job(job));
}
// Try to fill the queue with pending tasks.
self.fetch_pending_tasks().await?;
make_batch(&mut self.tasks, &mut self.processing, &self.config);
log::debug!("prepared batch with {} tasks", self.processing.len());
if !self.processing.is_empty() {
let ids = std::mem::take(&mut self.processing);
let (ids, mut tasks) = self.store.get_pending_tasks(ids).await?;
// The batch id is the id of the first update it contains
let id = match tasks.first() {
Some(Task { id, .. }) => *id,
_ => panic!("invalid batch"),
};
tasks.iter_mut().for_each(|t| {
t.events.push(TaskEvent::Batched {
batch_id: id,
timestamp: Utc::now(),
})
});
self.processing = ids;
let batch = Batch {
id,
created_at: Utc::now(),
tasks,
};
// There is more work to do, notify the update loop
self.notify_if_not_empty();
Ok(Pending::Batch(batch))
} else {
Ok(Pending::Nothing)
}
}
}
#[derive(Debug)]
pub enum Pending {
Batch(Batch),
Job(Job),
Nothing,
}
fn make_batch(tasks: &mut TaskQueue, processing: &mut Vec<TaskId>, config: &SchedulerConfig) {
processing.clear();
let mut doc_count = 0;
tasks.head_mut(|list| match list.peek().copied() {
Some(PendingTask {
kind: TaskType::Other,
id,
}) => {
processing.push(id);
list.pop();
}
Some(PendingTask { kind, .. }) => loop {
match list.peek() {
Some(pending) if pending.kind == kind => {
// We always need to process at least one task for the scheduler to make progress.
if processing.len() >= config.max_batch_size.unwrap_or(usize::MAX).max(1) {
break;
}
let pending = list.pop().unwrap();
processing.push(pending.id);
// We add the number of documents to the count if we are scheduling document additions and
// stop adding if we already have enough.
//
// We check that bound only after adding the current task to the batch, so that a batch contains at least one task.
match pending.kind {
TaskType::DocumentUpdate { number }
| TaskType::DocumentAddition { number } => {
doc_count += number;
if doc_count >= config.max_documents_per_batch.unwrap_or(usize::MAX) {
break;
}
}
_ => (),
}
}
_ => break,
}
},
None => (),
});
} }
#[cfg(test)] #[cfg(test)]
mod test { mod test {
use nelson::Mocker; use milli::update::IndexDocumentsMethod;
use uuid::Uuid;
use crate::index_resolver::IndexUid; use crate::{index_resolver::IndexUid, tasks::task::TaskContent};
use crate::tasks::task::Task;
use crate::tasks::task_store::TaskFilter;
use super::super::task::{TaskContent, TaskEvent, TaskId, TaskResult};
use super::super::MockTaskPerformer;
use super::*; use super::*;
#[tokio::test] fn gen_task(id: TaskId, index_uid: &str, content: TaskContent) -> Task {
async fn test_prepare_batch_full() { Task {
let mocker = Mocker::default();
mocker
.when::<(TaskId, Option<TaskFilter>), Result<Option<Task>>>("get_task")
.once()
.then(|(id, _filter)| {
let task = Task {
id, id,
index_uid: IndexUid::new("Test".to_string()).unwrap(), index_uid: IndexUid::new_unchecked(index_uid.to_owned()),
content: TaskContent::IndexDeletion, content,
events: vec![TaskEvent::Created(Utc::now())], events: vec![],
}; }
Ok(Some(task))
});
mocker
.when::<(), Option<Pending<TaskId>>>("peek_pending_task")
.then(|()| Some(Pending::Task(1)));
let store = TaskStore::mock(mocker);
let performer = Arc::new(MockTaskPerformer::new());
let scheduler = Scheduler {
store,
performer,
task_store_check_interval: Duration::from_millis(1),
};
let batch = scheduler.prepare_batch().await.unwrap().unwrap();
assert_eq!(batch.tasks.len(), 1);
assert!(
matches!(batch.tasks[0], Pending::Task(Task { id: 1, .. })),
"{:?}",
batch.tasks[0]
);
} }
#[tokio::test] #[test]
async fn test_prepare_batch_empty() { fn register_updates_multiples_indexes() {
let mocker = Mocker::default(); let mut queue = TaskQueue::default();
mocker queue.insert(gen_task(0, "test1", TaskContent::IndexDeletion));
.when::<(), Option<Pending<TaskId>>>("peek_pending_task") queue.insert(gen_task(1, "test2", TaskContent::IndexDeletion));
.then(|()| None); queue.insert(gen_task(2, "test2", TaskContent::IndexDeletion));
queue.insert(gen_task(3, "test2", TaskContent::IndexDeletion));
queue.insert(gen_task(4, "test1", TaskContent::IndexDeletion));
queue.insert(gen_task(5, "test1", TaskContent::IndexDeletion));
queue.insert(gen_task(6, "test2", TaskContent::IndexDeletion));
let store = TaskStore::mock(mocker); let test1_tasks = queue
let performer = Arc::new(MockTaskPerformer::new()); .head_mut(|tasks| tasks.drain().map(|t| t.id).collect::<Vec<_>>())
.unwrap();
let scheduler = Scheduler { assert_eq!(test1_tasks, &[0, 4, 5]);
store,
performer,
task_store_check_interval: Duration::from_millis(1),
};
assert!(scheduler.prepare_batch().await.unwrap().is_none()); let test2_tasks = queue
.head_mut(|tasks| tasks.drain().map(|t| t.id).collect::<Vec<_>>())
.unwrap();
assert_eq!(test2_tasks, &[1, 2, 3, 6]);
assert!(queue.index_tasks.is_empty());
assert!(queue.queue.is_empty());
} }
#[tokio::test] #[test]
async fn test_loop_run_normal() { fn test_make_batch() {
let mocker = Mocker::default(); let mut queue = TaskQueue::default();
let mut id = Some(1); let content = TaskContent::DocumentAddition {
mocker content_uuid: Uuid::new_v4(),
.when::<(), Option<Pending<TaskId>>>("peek_pending_task") merge_strategy: IndexDocumentsMethod::ReplaceDocuments,
.then(move |()| id.take().map(Pending::Task)); primary_key: Some("test".to_string()),
mocker documents_count: 0,
.when::<(TaskId, Option<TaskFilter>), Result<Task>>("get_task") allow_index_creation: true,
.once()
.then(|(id, _)| {
let task = Task {
id,
index_uid: IndexUid::new("Test".to_string()).unwrap(),
content: TaskContent::IndexDeletion,
events: vec![TaskEvent::Created(Utc::now())],
}; };
Ok(task) queue.insert(gen_task(0, "test1", content.clone()));
}); queue.insert(gen_task(1, "test2", content.clone()));
queue.insert(gen_task(2, "test2", TaskContent::IndexDeletion));
queue.insert(gen_task(3, "test2", content.clone()));
queue.insert(gen_task(4, "test1", content.clone()));
queue.insert(gen_task(5, "test1", TaskContent::IndexDeletion));
queue.insert(gen_task(6, "test2", content.clone()));
queue.insert(gen_task(7, "test1", content));
mocker let mut batch = Vec::new();
.when::<Vec<Pending<Task>>, Result<Vec<Pending<Task>>>>("update_tasks")
.times(2)
.then(|tasks| {
assert_eq!(tasks.len(), 1);
Ok(tasks)
});
mocker.when::<(), ()>("delete_pending").once().then(|_| ()); let config = SchedulerConfig::default();
make_batch(&mut queue, &mut batch, &config);
assert_eq!(batch, &[0, 4]);
let store = TaskStore::mock(mocker); batch.clear();
make_batch(&mut queue, &mut batch, &config);
assert_eq!(batch, &[1]);
let mut performer = MockTaskPerformer::new(); batch.clear();
performer.expect_process().once().returning(|mut batch| { make_batch(&mut queue, &mut batch, &config);
batch.tasks.iter_mut().for_each(|t| match t { assert_eq!(batch, &[2]);
Pending::Task(Task { ref mut events, .. }) => events.push(TaskEvent::Succeded {
result: TaskResult::Other,
timestamp: Utc::now(),
}),
_ => panic!("expected a task, found a job"),
});
batch batch.clear();
}); make_batch(&mut queue, &mut batch, &config);
assert_eq!(batch, &[3, 6]);
performer.expect_finish().once().returning(|_| ()); batch.clear();
make_batch(&mut queue, &mut batch, &config);
assert_eq!(batch, &[5]);
let performer = Arc::new(performer); batch.clear();
make_batch(&mut queue, &mut batch, &config);
assert_eq!(batch, &[7]);
let scheduler = Scheduler { assert!(queue.is_empty());
store,
performer,
task_store_check_interval: Duration::from_millis(1),
};
let handle = tokio::spawn(scheduler.run());
if let Ok(r) = tokio::time::timeout(Duration::from_millis(100), handle).await {
r.unwrap();
}
} }
} }

2
meilisearch-lib/src/tasks/task.rs
View File

@ -97,7 +97,7 @@ impl Task {
pub enum Job { pub enum Job {
Dump { Dump {
#[derivative(PartialEq = "ignore")] #[derivative(PartialEq = "ignore")]
ret: oneshot::Sender<Result<(), IndexResolverError>>, ret: oneshot::Sender<Result<oneshot::Sender<()>, IndexResolverError>>,
path: PathBuf, path: PathBuf,
}, },
Snapshot(#[derivative(PartialEq = "ignore")] SnapshotJob), Snapshot(#[derivative(PartialEq = "ignore")] SnapshotJob),

201
meilisearch-lib/src/tasks/task_store/mod.rs
View File

@ -1,7 +1,6 @@
mod store; mod store;
use std::cmp::Ordering; use std::collections::HashSet;
use std::collections::{BinaryHeap, HashSet};
use std::io::{BufWriter, Write}; use std::io::{BufWriter, Write};
use std::path::Path; use std::path::Path;
use std::sync::Arc; use std::sync::Arc;
@ -9,11 +8,9 @@ use std::sync::Arc;
use chrono::Utc; use chrono::Utc;
use heed::{Env, RwTxn}; use heed::{Env, RwTxn};
use log::debug; use log::debug;
use tokio::sync::RwLock;
use uuid::Uuid;
use super::error::TaskError; use super::error::TaskError;
use super::task::{Job, Task, TaskContent, TaskId}; use super::task::{Task, TaskContent, TaskId};
use super::Result; use super::Result;
use crate::index_resolver::IndexUid; use crate::index_resolver::IndexUid;
use crate::tasks::task::TaskEvent; use crate::tasks::task::TaskEvent;
@ -25,9 +22,10 @@ pub use store::test::MockStore as Store;
pub use store::Store; pub use store::Store;
/// Defines constraints to be applied when querying for Tasks from the store. /// Defines constraints to be applied when querying for Tasks from the store.
#[derive(Default, Debug)] #[derive(Default)]
pub struct TaskFilter { pub struct TaskFilter {
indexes: Option<HashSet<String>>, indexes: Option<HashSet<String>>,
filter_fn: Option<Box<dyn Fn(&Task) -> bool + Sync + Send + 'static>>,
} }
impl TaskFilter { impl TaskFilter {
@ -44,85 +42,28 @@ impl TaskFilter {
.get_or_insert_with(Default::default) .get_or_insert_with(Default::default)
.insert(index); .insert(index);
} }
}
/// You can't clone a job because of its volatile nature. pub fn filter_fn(&mut self, f: impl Fn(&Task) -> bool + Sync + Send + 'static) {
/// If you need to take the `Job` with you though. You can call the method self.filter_fn.replace(Box::new(f));
/// `Pending::take`. It'll return the `Pending` as-is but `Empty` the original.
#[derive(Debug, PartialEq)]
pub enum Pending<T> {
/// A task stored on disk that must be processed.
Task(T),
/// Job always have a higher priority over normal tasks and are not stored on disk.
/// It can be refered as `Volatile job`.
Job(Job),
}
impl Pending<TaskId> {
/// Makes a copy of the task or take the content of the volatile job.
pub(crate) fn take(&mut self) -> Self {
match self {
Self::Task(id) => Self::Task(*id),
Self::Job(job) => Self::Job(job.take()),
}
}
}
impl Eq for Pending<TaskId> {}
impl PartialOrd for Pending<TaskId> {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
match (self, other) {
// in case of two tasks we want to return the lowest taskId first.
(Pending::Task(lhs), Pending::Task(rhs)) => Some(lhs.cmp(rhs).reverse()),
// A job is always better than a task.
(Pending::Task(_), Pending::Job(_)) => Some(Ordering::Less),
(Pending::Job(_), Pending::Task(_)) => Some(Ordering::Greater),
// When there is two jobs we consider them equals.
(Pending::Job(_), Pending::Job(_)) => Some(Ordering::Equal),
}
}
}
impl Pending<Task> {
pub fn get_content_uuid(&self) -> Option<Uuid> {
match self {
Pending::Task(task) => task.get_content_uuid(),
_ => None,
}
}
}
impl Ord for Pending<TaskId> {
fn cmp(&self, other: &Self) -> Ordering {
self.partial_cmp(other).unwrap()
} }
} }
pub struct TaskStore { pub struct TaskStore {
store: Arc<Store>, store: Arc<Store>,
pending_queue: Arc<RwLock<BinaryHeap<Pending<TaskId>>>>,
} }
impl Clone for TaskStore { impl Clone for TaskStore {
fn clone(&self) -> Self { fn clone(&self) -> Self {
Self { Self {
store: self.store.clone(), store: self.store.clone(),
pending_queue: self.pending_queue.clone(),
} }
} }
} }
impl TaskStore { impl TaskStore {
pub fn new(env: Arc<heed::Env>) -> Result<Self> { pub fn new(env: Arc<heed::Env>) -> Result<Self> {
let mut store = Store::new(env)?; let store = Arc::new(Store::new(env)?);
let unfinished_tasks = store.reset_and_return_unfinished_tasks()?; Ok(Self { store })
let store = Arc::new(store);
Ok(Self {
store,
pending_queue: Arc::new(RwLock::new(unfinished_tasks)),
})
} }
pub async fn register(&self, index_uid: IndexUid, content: TaskContent) -> Result<Task> { pub async fn register(&self, index_uid: IndexUid, content: TaskContent) -> Result<Task> {
@ -146,11 +87,6 @@ impl TaskStore {
}) })
.await??; .await??;
self.pending_queue
.write()
.await
.push(Pending::Task(task.id));
Ok(task) Ok(task)
} }
@ -159,35 +95,6 @@ impl TaskStore {
Ok(()) Ok(())
} }
/// Register an update that applies on multiple indexes.
/// Currently the update is considered as a priority.
pub async fn register_job(&self, content: Job) {
debug!("registering a job: {:?}", content);
self.pending_queue.write().await.push(Pending::Job(content));
}
/// Returns the next task to process.
pub async fn peek_pending_task(&self) -> Option<Pending<TaskId>> {
let mut pending_queue = self.pending_queue.write().await;
loop {
match pending_queue.peek()? {
Pending::Job(Job::Empty) => drop(pending_queue.pop()),
_ => return Some(pending_queue.peek_mut()?.take()),
}
}
}
/// Returns the next task to process if there is one.
pub async fn get_processing_task(&self) -> Result<Option<Task>> {
match self.peek_pending_task().await {
Some(Pending::Task(tid)) => {
let task = self.get_task(tid, None).await?;
Ok(matches!(task.events.last(), Some(TaskEvent::Processing(_))).then(|| task))
}
_ => Ok(None),
}
}
pub async fn get_task(&self, id: TaskId, filter: Option<TaskFilter>) -> Result<Task> { pub async fn get_task(&self, id: TaskId, filter: Option<TaskFilter>) -> Result<Task> {
let store = self.store.clone(); let store = self.store.clone();
let task = tokio::task::spawn_blocking(move || -> Result<_> { let task = tokio::task::spawn_blocking(move || -> Result<_> {
@ -207,17 +114,33 @@ impl TaskStore {
} }
} }
pub async fn update_tasks(&self, tasks: Vec<Pending<Task>>) -> Result<Vec<Pending<Task>>> { pub async fn get_pending_tasks(&self, ids: Vec<TaskId>) -> Result<(Vec<TaskId>, Vec<Task>)> {
let store = self.store.clone();
let tasks = tokio::task::spawn_blocking(move || -> Result<_> {
let mut tasks = Vec::new();
let txn = store.rtxn()?;
for id in ids.iter() {
let task = store
.get(&txn, *id)?
.ok_or(TaskError::UnexistingTask(*id))?;
tasks.push(task);
}
Ok((ids, tasks))
})
.await??;
Ok(tasks)
}
pub async fn update_tasks(&self, tasks: Vec<Task>) -> Result<Vec<Task>> {
let store = self.store.clone(); let store = self.store.clone();
let tasks = tokio::task::spawn_blocking(move || -> Result<_> { let tasks = tokio::task::spawn_blocking(move || -> Result<_> {
let mut txn = store.wtxn()?; let mut txn = store.wtxn()?;
for task in &tasks { for task in &tasks {
match task { store.put(&mut txn, task)?;
Pending::Task(task) => store.put(&mut txn, task)?,
Pending::Job(_) => (),
}
} }
txn.commit()?; txn.commit()?;
@ -229,21 +152,6 @@ impl TaskStore {
Ok(tasks) Ok(tasks)
} }
/// Delete one task from the queue and remove all `Empty` job.
pub async fn delete_pending(&self, to_delete: &Pending<Task>) {
if let Pending::Task(Task { id: pending_id, .. }) = to_delete {
let mut pending_queue = self.pending_queue.write().await;
*pending_queue = std::mem::take(&mut *pending_queue)
.into_iter()
.filter(|pending| match pending {
Pending::Job(Job::Empty) => false,
Pending::Task(id) => pending_id != id,
_ => true,
})
.collect::<BinaryHeap<Pending<TaskId>>>();
}
}
pub async fn list_tasks( pub async fn list_tasks(
&self, &self,
offset: Option<TaskId>, offset: Option<TaskId>,
@ -348,23 +256,15 @@ pub mod test {
Self::Mock(Arc::new(mocker)) Self::Mock(Arc::new(mocker))
} }
pub async fn update_tasks(&self, tasks: Vec<Pending<Task>>) -> Result<Vec<Pending<Task>>> { pub async fn update_tasks(&self, tasks: Vec<Task>) -> Result<Vec<Task>> {
match self { match self {
Self::Real(s) => s.update_tasks(tasks).await, Self::Real(s) => s.update_tasks(tasks).await,
Self::Mock(m) => unsafe { Self::Mock(m) => unsafe {
m.get::<_, Result<Vec<Pending<Task>>>>("update_tasks") m.get::<_, Result<Vec<Task>>>("update_tasks").call(tasks)
.call(tasks)
}, },
} }
} }
pub async fn delete_pending(&self, to_delete: &Pending<Task>) {
match self {
Self::Real(s) => s.delete_pending(to_delete).await,
Self::Mock(m) => unsafe { m.get("delete_pending").call(to_delete) },
}
}
pub async fn get_task(&self, id: TaskId, filter: Option<TaskFilter>) -> Result<Task> { pub async fn get_task(&self, id: TaskId, filter: Option<TaskFilter>) -> Result<Task> {
match self { match self {
Self::Real(s) => s.get_task(id, filter).await, Self::Real(s) => s.get_task(id, filter).await,
@ -372,23 +272,13 @@ pub mod test {
} }
} }
pub async fn get_processing_task(&self) -> Result<Option<Task>> { pub async fn get_pending_tasks(
&self,
tasks: Vec<TaskId>,
) -> Result<(Vec<TaskId>, Vec<Task>)> {
match self { match self {
Self::Real(s) => s.get_processing_task().await, Self::Real(s) => s.get_pending_tasks(tasks).await,
Self::Mock(m) => unsafe { Self::Mock(m) => unsafe { m.get("get_pending_task").call(tasks) },
m.get::<_, Result<Option<Task>>>("get_pending_task")
.call(())
},
}
}
pub async fn peek_pending_task(&self) -> Option<Pending<TaskId>> {
match self {
Self::Real(s) => s.peek_pending_task().await,
Self::Mock(m) => unsafe {
m.get::<_, Option<Pending<TaskId>>>("peek_pending_task")
.call(())
},
} }
} }
@ -400,14 +290,18 @@ pub mod test {
) -> Result<Vec<Task>> { ) -> Result<Vec<Task>> {
match self { match self {
Self::Real(s) => s.list_tasks(from, filter, limit).await, Self::Real(s) => s.list_tasks(from, filter, limit).await,
Self::Mock(_m) => todo!(), Self::Mock(m) => unsafe { m.get("list_tasks").call((from, filter, limit)) },
} }
} }
pub async fn dump(&self, path: &Path, update_file_store: UpdateFileStore) -> Result<()> { pub async fn dump(
&self,
path: impl AsRef<Path>,
update_file_store: UpdateFileStore,
) -> Result<()> {
match self { match self {
Self::Real(s) => s.dump(path, update_file_store).await, Self::Real(s) => s.dump(path, update_file_store).await,
Self::Mock(_m) => todo!(), Self::Mock(m) => unsafe { m.get("dump").call((path, update_file_store)) },
} }
} }
@ -425,13 +319,6 @@ pub mod test {
} }
} }
pub async fn register_job(&self, content: Job) {
match self {
Self::Real(s) => s.register_job(content).await,
Self::Mock(_m) => todo!(),
}
}
pub fn load_dump(path: impl AsRef<Path>, env: Arc<Env>) -> anyhow::Result<()> { pub fn load_dump(path: impl AsRef<Path>, env: Arc<Env>) -> anyhow::Result<()> {
TaskStore::load_dump(path, env) TaskStore::load_dump(path, env)
} }

65
meilisearch-lib/src/tasks/task_store/store.rs
View File

@ -19,7 +19,7 @@ use crate::tasks::task::{Task, TaskId};
use super::super::Result; use super::super::Result;
use super::{Pending, TaskFilter}; use super::TaskFilter;
enum IndexUidTaskIdCodec {} enum IndexUidTaskIdCodec {}
@ -84,41 +84,6 @@ impl Store {
}) })
} }
/// This function should be called *right after* creating the store.
/// It put back all unfinished update in the `Created` state. This
/// allow us to re-enqueue an update that didn't had the time to finish
/// when Meilisearch closed.
pub fn reset_and_return_unfinished_tasks(&mut self) -> Result<BinaryHeap<Pending<TaskId>>> {
let mut unfinished_tasks: BinaryHeap<Pending<TaskId>> = BinaryHeap::new();
let mut wtxn = self.wtxn()?;
let mut iter = self.tasks.rev_iter_mut(&mut wtxn)?;
while let Some(entry) = iter.next() {
let entry = entry?;
let (id, mut task): (BEU64, Task) = entry;
// Since all tasks are ordered, we can stop iterating when we encounter our first non-finished task.
if task.is_finished() {
break;
}
// we only keep the first state. It’s supposed to be a `Created` state.
task.events.drain(1..);
unfinished_tasks.push(Pending::Task(id.get()));
// Since we own the id and the task this is a safe operation.
unsafe {
iter.put_current(&id, &task)?;
}
}
drop(iter);
wtxn.commit()?;
Ok(unfinished_tasks)
}
pub fn wtxn(&self) -> Result<RwTxn> { pub fn wtxn(&self) -> Result<RwTxn> {
Ok(self.env.write_txn()?) Ok(self.env.write_txn()?)
} }
@ -166,7 +131,11 @@ impl Store {
.map(|limit| (limit as u64).saturating_add(from)) .map(|limit| (limit as u64).saturating_add(from))
.unwrap_or(u64::MAX); .unwrap_or(u64::MAX);
let iter: Box<dyn Iterator<Item = StdResult<_, heed::Error>>> = match filter { let iter: Box<dyn Iterator<Item = StdResult<_, heed::Error>>> = match filter {
Some(filter) => { Some(
ref filter @ TaskFilter {
indexes: Some(_), ..
},
) => {
let iter = self let iter = self
.compute_candidates(txn, filter, range)? .compute_candidates(txn, filter, range)?
.into_iter() .into_iter()
@ -174,15 +143,24 @@ impl Store {
Box::new(iter) Box::new(iter)
} }
None => Box::new( _ => Box::new(
self.tasks self.tasks
.rev_range(txn, &(BEU64::new(range.start)..BEU64::new(range.end)))? .rev_range(txn, &(BEU64::new(range.start)..BEU64::new(range.end)))?
.map(|r| r.map(|(_, t)| t)), .map(|r| r.map(|(_, t)| t)),
), ),
}; };
let apply_fitler = |task: &StdResult<_, heed::Error>| match task {
Ok(ref t) => filter
.as_ref()
.and_then(|filter| filter.filter_fn.as_ref())
.map(|f| f(t))
.unwrap_or(true),
Err(_) => true,
};
// Collect 'limit' task if it exists or all of them. // Collect 'limit' task if it exists or all of them.
let tasks = iter let tasks = iter
.filter(apply_fitler)
.take(limit.unwrap_or(usize::MAX)) .take(limit.unwrap_or(usize::MAX))
.try_fold::<_, _, StdResult<_, heed::Error>>(Vec::new(), |mut v, task| { .try_fold::<_, _, StdResult<_, heed::Error>>(Vec::new(), |mut v, task| {
v.push(task?); v.push(task?);
@ -195,11 +173,11 @@ impl Store {
fn compute_candidates( fn compute_candidates(
&self, &self,
txn: &heed::RoTxn, txn: &heed::RoTxn,
filter: TaskFilter, filter: &TaskFilter,
range: Range<TaskId>, range: Range<TaskId>,
) -> Result<BinaryHeap<TaskId>> { ) -> Result<BinaryHeap<TaskId>> {
let mut candidates = BinaryHeap::new(); let mut candidates = BinaryHeap::new();
if let Some(indexes) = filter.indexes { if let Some(ref indexes) = filter.indexes {
for index in indexes { for index in indexes {
// We need to prefix search the null terminated string to make sure that we only // We need to prefix search the null terminated string to make sure that we only
// get exact matches for the index, and not other uids that would share the same // get exact matches for the index, and not other uids that would share the same
@ -290,13 +268,6 @@ pub mod test {
Ok(Self::Real(Store::new(env)?)) Ok(Self::Real(Store::new(env)?))
} }
pub fn reset_and_return_unfinished_tasks(&mut self) -> Result<BinaryHeap<Pending<TaskId>>> {
match self {
MockStore::Real(index) => index.reset_and_return_unfinished_tasks(),
MockStore::Fake(_) => todo!(),
}
}
pub fn wtxn(&self) -> Result<RwTxn> { pub fn wtxn(&self) -> Result<RwTxn> {
match self { match self {
MockStore::Real(index) => index.wtxn(), MockStore::Real(index) => index.wtxn(),

107
meilisearch-lib/src/tasks/update_loop.rs Normal file
View File

@ -0,0 +1,107 @@
use std::sync::Arc;
use std::time::Duration;
use chrono::Utc;
use tokio::sync::{watch, RwLock};
use tokio::time::interval_at;
use super::batch::Batch;
use super::error::Result;
use super::scheduler::Pending;
use super::{Scheduler, TaskPerformer};
use crate::tasks::task::TaskEvent;
/// The update loop sequentially performs batches of updates by asking the scheduler for a batch,
/// and handing it to the `TaskPerformer`.
pub struct UpdateLoop<P: TaskPerformer> {
scheduler: Arc<RwLock<Scheduler>>,
performer: Arc<P>,
notifier: Option<watch::Receiver<()>>,
debounce_duration: Option<Duration>,
}
impl<P> UpdateLoop<P>
where
P: TaskPerformer + Send + Sync + 'static,
{
pub fn new(
scheduler: Arc<RwLock<Scheduler>>,
performer: Arc<P>,
debuf_duration: Option<Duration>,
notifier: watch::Receiver<()>,
) -> Self {
Self {
scheduler,
performer,
debounce_duration: debuf_duration,
notifier: Some(notifier),
}
}
pub async fn run(mut self) {
let mut notifier = self.notifier.take().unwrap();
loop {
if notifier.changed().await.is_err() {
break;
}
if let Some(t) = self.debounce_duration {
let mut interval = interval_at(tokio::time::Instant::now() + t, t);
interval.tick().await;
};
if let Err(e) = self.process_next_batch().await {
log::error!("an error occured while processing an update batch: {}", e);
}
}
}
async fn process_next_batch(&self) -> Result<()> {
let pending = { self.scheduler.write().await.prepare().await? };
match pending {
Pending::Batch(mut batch) => {
for task in &mut batch.tasks {
task.events.push(TaskEvent::Processing(Utc::now()));
}
batch.tasks = {
self.scheduler
.read()
.await
.update_tasks(batch.tasks)
.await?
};
let performer = self.performer.clone();
let batch = performer.process_batch(batch).await;
self.handle_batch_result(batch).await?;
}
Pending::Job(job) => {
let performer = self.performer.clone();
performer.process_job(job).await;
}
Pending::Nothing => (),
}
Ok(())
}
/// Handles the result from a processed batch.
///
/// When a task is processed, the result of the process is pushed to its event list. The
/// `handle_batch_result` make sure that the new state is saved to the store.
/// The tasks are then removed from the processing queue.
async fn handle_batch_result(&self, mut batch: Batch) -> Result<()> {
let mut scheduler = self.scheduler.write().await;
let tasks = scheduler.update_tasks(batch.tasks).await?;
scheduler.finish();
drop(scheduler);
batch.tasks = tasks;
self.performer.finish(&batch).await;
Ok(())
}
}