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Code Issues Releases Wiki Activity

Post processing of the merge

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This commit is contained in:
Louis Dureuil 2024-11-06 17:50:12 +01:00
parent ee03743355
commit 10f49f0d75
No known key found for this signature in database
12 changed files with 512 additions and 996 deletions
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2
crates/meilitool/src/main.rs
View File

@ -264,7 +264,7 @@ fn export_a_dump(
format!("While iterating on content file {:?}", content_file_uuid)
})? {
dump_content_file
.push_document(&obkv_to_object(&doc, &documents_batch_index)?)?;
.push_document(&obkv_to_object(doc, &documents_batch_index)?)?;
}
dump_content_file.flush()?;
count += 1;

30
crates/milli/src/update/new/channel.rs
View File

@ -2,16 +2,13 @@ use std::marker::PhantomData;
use std::sync::atomic::{AtomicUsize, Ordering};
use crossbeam_channel::{IntoIter, Receiver, SendError, Sender};
use grenad::Merger;
use hashbrown::HashMap;
use heed::types::Bytes;
use roaring::RoaringBitmap;
use super::extract::FacetKind;
use super::StdResult;
use crate::index::main_key::DOCUMENTS_IDS_KEY;
use crate::update::new::KvReaderFieldId;
use crate::update::MergeDeladdCboRoaringBitmaps;
use crate::vector::Embedding;
use crate::{DocumentId, Index};
@ -41,14 +38,6 @@ impl KeyValueEntry {
data.extend_from_slice(value);
KeyValueEntry { key_length: key.len(), data: data.into_boxed_slice() }
}
pub fn from_small_key_bitmap(key: &[u8], bitmap: RoaringBitmap) -> Self {
let mut data = Vec::with_capacity(key.len() + bitmap.serialized_size());
data.extend_from_slice(key);
bitmap.serialize_into(&mut data).unwrap();
KeyValueEntry { key_length: key.len(), data: data.into_boxed_slice() }
}
pub fn key(&self) -> &[u8] {
&self.data[..self.key_length]
}
@ -113,7 +102,6 @@ pub enum Database {
ExternalDocumentsIds,
ExactWordDocids,
FidWordCountDocids,
Main,
WordDocids,
WordFidDocids,
WordPairProximityDocids,
@ -131,7 +119,6 @@ impl Database {
Database::Documents => index.documents.remap_types(),
Database::ExternalDocumentsIds => index.external_documents_ids.remap_types(),
Database::ExactWordDocids => index.exact_word_docids.remap_types(),
Database::Main => index.main.remap_types(),
Database::WordDocids => index.word_docids.remap_types(),
Database::WordFidDocids => index.word_fid_docids.remap_types(),
Database::WordPositionDocids => index.word_position_docids.remap_types(),
@ -217,12 +204,15 @@ impl ExtractorSender {
DocumentsSender(self)
}
pub fn send_documents_ids(&self, documents_ids: RoaringBitmap) -> StdResult<(), SendError<()>> {
let entry = EntryOperation::Write(KeyValueEntry::from_small_key_bitmap(
DOCUMENTS_IDS_KEY.as_bytes(),
documents_ids,
));
match self.send_db_operation(DbOperation { database: Database::Main, entry }) {
pub fn embeddings(&self) -> EmbeddingSender<'_> {
EmbeddingSender(&self.sender)
}
fn send_delete_vector(&self, docid: DocumentId) -> StdResult<(), SendError<()>> {
match self
.sender
.send(WriterOperation::ArroyOperation(ArroyOperation::DeleteVectors { docid }))
{
Ok(()) => Ok(()),
Err(SendError(_)) => Err(SendError(())),
}
@ -381,6 +371,8 @@ impl DocumentsSender<'_> {
Err(SendError(_)) => Err(SendError(())),
}?;
self.0.send_delete_vector(docid)?;
let entry = EntryOperation::Delete(KeyEntry::from_key(external_id.as_bytes()));
match self
.0

4
crates/milli/src/update/new/document.rs
View File

@ -286,11 +286,11 @@ where
///
/// - If the document contains a top-level field that is not present in `fields_ids_map`.
///
pub fn write_to_obkv<'s, 'a, 'map>(
pub fn write_to_obkv<'s, 'a, 'map, 'buffer>(
document: &'s impl Document<'s>,
vector_document: Option<&'s impl VectorDocument<'s>>,
fields_ids_map: &'a mut GlobalFieldsIdsMap<'map>,
mut document_buffer: &'a mut Vec<u8>,
mut document_buffer: &'a mut bumpalo::collections::Vec<'buffer, u8>,
) -> Result<&'a KvReaderFieldId>
where
's: 'a,

145
crates/milli/src/update/new/extract/documents.rs
View File

@ -1,73 +1,140 @@
use std::cell::RefCell;
use bumpalo::Bump;
use hashbrown::HashMap;
use super::DelAddRoaringBitmap;
use crate::update::new::channel::DocumentsSender;
use crate::update::new::document::write_to_obkv;
use crate::update::new::document::{write_to_obkv, Document as _};
use crate::update::new::indexer::document_changes::{
DocumentChangeContext, Extractor, FullySend, RefCellExt as _,
};
use crate::update::new::DocumentChange;
use crate::vector::EmbeddingConfigs;
use crate::Result;
pub struct DocumentsExtractor<'a> {
documents_sender: &'a DocumentsSender<'a>,
document_sender: &'a DocumentsSender<'a>,
embedders: &'a EmbeddingConfigs,
}
impl<'a> DocumentsExtractor<'a> {
pub fn new(documents_sender: &'a DocumentsSender<'a>) -> Self {
Self { documents_sender }
pub fn new(document_sender: &'a DocumentsSender<'a>, embedders: &'a EmbeddingConfigs) -> Self {
Self { document_sender, embedders }
}
}
#[derive(Default)]
pub struct DocumentExtractorData {
pub docids_delta: DelAddRoaringBitmap,
pub field_distribution_delta: HashMap<String, i64>,
}
impl<'a, 'extractor> Extractor<'extractor> for DocumentsExtractor<'a> {
type Data = FullySend<RefCell<DelAddRoaringBitmap>>;
type Data = FullySend<RefCell<DocumentExtractorData>>;
fn init_data(&self, _extractor_alloc: &'extractor Bump) -> Result<Self::Data> {
Ok(FullySend(RefCell::new(DelAddRoaringBitmap::empty())))
Ok(FullySend(Default::default()))
}
fn process(
fn process<'doc>(
&self,
change: DocumentChange,
changes: impl Iterator<Item = Result<DocumentChange<'doc>>>,
context: &DocumentChangeContext<Self::Data>,
) -> Result<()> {
let mut document_buffer = Vec::new();
let mut delta_documents_ids = context.data.0.borrow_mut_or_yield();
let mut document_buffer = bumpalo::collections::Vec::new_in(&context.doc_alloc);
let mut document_extractor_data = context.data.0.borrow_mut_or_yield();
let new_fields_ids_map = context.new_fields_ids_map.borrow_or_yield();
let new_fields_ids_map = &*new_fields_ids_map;
let new_fields_ids_map = new_fields_ids_map.local_map();
let mut new_fields_ids_map = context.new_fields_ids_map.borrow_mut_or_yield();
let external_docid = change.external_docid().to_owned();
for change in changes {
let change = change?;
let external_docid = change.external_docid().to_owned();
// document but we need to create a function that collects and compresses documents.
match change {
DocumentChange::Deletion(deletion) => {
let docid = deletion.docid();
self.documents_sender.delete(docid, external_docid).unwrap();
delta_documents_ids.insert_del_u32(docid);
}
/// TODO: change NONE by SOME(vector) when implemented
DocumentChange::Update(update) => {
let docid = update.docid();
let content =
update.new(&context.txn, context.index, &context.db_fields_ids_map)?;
let content =
write_to_obkv(&content, None, new_fields_ids_map, &mut document_buffer)?;
self.documents_sender.uncompressed(docid, external_docid, content).unwrap();
}
DocumentChange::Insertion(insertion) => {
let docid = insertion.docid();
let content = insertion.new();
let content =
write_to_obkv(&content, None, new_fields_ids_map, &mut document_buffer)?;
self.documents_sender.uncompressed(docid, external_docid, content).unwrap();
delta_documents_ids.insert_add_u32(docid);
// extracted_dictionary_sender.send(self, dictionary: &[u8]);
// document but we need to create a function that collects and compresses documents.
match change {
DocumentChange::Deletion(deletion) => {
let docid = deletion.docid();
let content = deletion.current(
&context.txn,
context.index,
&context.db_fields_ids_map,
)?;
for res in content.iter_top_level_fields() {
let (f, _) = res?;
let entry = document_extractor_data
.field_distribution_delta
.entry_ref(f)
.or_default();
*entry -= 1;
}
document_extractor_data.docids_delta.insert_del_u32(docid);
self.document_sender.delete(docid, external_docid).unwrap();
}
DocumentChange::Update(update) => {
let docid = update.docid();
let content =
update.current(&context.txn, context.index, &context.db_fields_ids_map)?;
for res in content.iter_top_level_fields() {
let (f, _) = res?;
let entry = document_extractor_data
.field_distribution_delta
.entry_ref(f)
.or_default();
*entry -= 1;
}
let content = update.updated();
for res in content.iter_top_level_fields() {
let (f, _) = res?;
let entry = document_extractor_data
.field_distribution_delta
.entry_ref(f)
.or_default();
*entry += 1;
}
let content =
update.merged(&context.txn, context.index, &context.db_fields_ids_map)?;
let vector_content = update.merged_vectors(
&context.txn,
context.index,
&context.db_fields_ids_map,
&context.doc_alloc,
self.embedders,
)?;
let content = write_to_obkv(
&content,
vector_content.as_ref(),
&mut new_fields_ids_map,
&mut document_buffer,
)?;
self.document_sender.uncompressed(docid, external_docid, content).unwrap();
}
DocumentChange::Insertion(insertion) => {
let docid = insertion.docid();
let content = insertion.inserted();
for res in content.iter_top_level_fields() {
let (f, _) = res?;
let entry = document_extractor_data
.field_distribution_delta
.entry_ref(f)
.or_default();
*entry += 1;
}
let inserted_vectors =
insertion.inserted_vectors(&context.doc_alloc, self.embedders)?;
let content = write_to_obkv(
&content,
inserted_vectors.as_ref(),
&mut new_fields_ids_map,
&mut document_buffer,
)?;
document_extractor_data.docids_delta.insert_add_u32(docid);
self.document_sender.uncompressed(docid, external_docid, content).unwrap();
// extracted_dictionary_sender.send(self, dictionary: &[u8]);
}
}
}
Ok(())
}
}

2
crates/milli/src/update/new/extract/faceted/extract_facets.rs
View File

@ -228,7 +228,7 @@ impl DocidsExtractor for FacetedDocidsExtractor {
grenad_parameters: GrenadParameters,
document_changes: &DC,
indexing_context: IndexingContext<'fid, 'indexer, 'index, MSP, SP>,
extractor_allocs: &mut ThreadLocal<FullySend<Bump>>,
extractor_allocs: &'extractor mut ThreadLocal<FullySend<Bump>>,
finished_steps: u16,
total_steps: u16,
step_name: &'static str,

4
crates/milli/src/update/new/extract/mod.rs
View File

@ -14,7 +14,7 @@ pub use vectors::EmbeddingExtractor;
use super::indexer::document_changes::{
DocumentChanges, FullySend, IndexingContext, Progress, ThreadLocal,
};
use crate::update::{GrenadParameters, MergeDeladdCboRoaringBitmaps};
use crate::update::GrenadParameters;
use crate::Result;
pub trait DocidsExtractor {
@ -26,7 +26,7 @@ pub trait DocidsExtractor {
finished_steps: u16,
total_steps: u16,
step_name: &'static str,
) -> Result<Merger<File, MergeDeladdCboRoaringBitmaps>>
) -> Result<Vec<BalancedCaches<'extractor>>>
where
MSP: Fn() -> bool + Sync,
SP: Fn(Progress) + Sync;

45
crates/milli/src/update/new/extract/searchable/extract_word_docids.rs
View File

@ -11,8 +11,8 @@ use super::tokenize_document::{tokenizer_builder, DocumentTokenizer};
use crate::update::new::extract::cache::BalancedCaches;
use crate::update::new::extract::perm_json_p::contained_in;
use crate::update::new::indexer::document_changes::{
for_each_document_change, DocumentChangeContext, DocumentChanges, Extractor, FullySend,
IndexingContext, MostlySend, RefCellExt, ThreadLocal,
extract, DocumentChangeContext, DocumentChanges, Extractor, FullySend, IndexingContext,
MostlySend, Progress, RefCellExt, ThreadLocal,
};
use crate::update::new::DocumentChange;
use crate::update::GrenadParameters;
@ -218,24 +218,44 @@ impl<'a, 'extractor> Extractor<'extractor> for WordDocidsExtractorData<'a> {
))))
}
fn process(
fn process<'doc>(
&self,
change: DocumentChange,
changes: impl Iterator<Item = Result<DocumentChange<'doc>>>,
context: &DocumentChangeContext<Self::Data>,
) -> Result<()> {
WordDocidsExtractors::extract_document_change(context, self.tokenizer, change)
for change in changes {
let change = change?;
WordDocidsExtractors::extract_document_change(context, self.tokenizer, change)?;
}
Ok(())
}
}
pub struct WordDocidsExtractors;
impl WordDocidsExtractors {
pub fn run_extraction<'pl, 'fid, 'indexer, 'index, 'extractor, DC: DocumentChanges<'pl>>(
pub fn run_extraction<
'pl,
'fid,
'indexer,
'index,
'extractor,
DC: DocumentChanges<'pl>,
MSP,
SP,
>(
grenad_parameters: GrenadParameters,
document_changes: &DC,
indexing_context: IndexingContext<'fid, 'indexer, 'index>,
indexing_context: IndexingContext<'fid, 'indexer, 'index, MSP, SP>,
extractor_allocs: &'extractor mut ThreadLocal<FullySend<Bump>>,
) -> Result<WordDocidsCaches<'extractor>> {
finished_steps: u16,
total_steps: u16,
step_name: &'static str,
) -> Result<WordDocidsCaches<'extractor>>
where
MSP: Fn() -> bool + Sync,
SP: Fn(Progress) + Sync,
{
let index = indexing_context.index;
let rtxn = index.read_txn()?;
@ -279,12 +299,15 @@ impl WordDocidsExtractors {
buckets: rayon::current_num_threads(),
};
for_each_document_change(
extract(
document_changes,
&extractor,
indexing_context,
extractor_allocs,
&datastore,
finished_steps,
total_steps,
step_name,
)?;
}
@ -358,7 +381,7 @@ impl WordDocidsExtractors {
)
};
document_tokenizer.tokenize_document(
inner.new(rtxn, index, context.db_fields_ids_map)?,
inner.merged(rtxn, index, context.db_fields_ids_map)?,
new_fields_ids_map,
&mut token_fn,
)?;
@ -375,7 +398,7 @@ impl WordDocidsExtractors {
)
};
document_tokenizer.tokenize_document(
inner.new(),
inner.inserted(),
new_fields_ids_map,
&mut token_fn,
)?;

32
crates/milli/src/update/new/extract/vectors/mod.rs
View File

@ -8,7 +8,7 @@ use super::cache::DelAddRoaringBitmap;
use crate::error::FaultSource;
use crate::prompt::Prompt;
use crate::update::new::channel::EmbeddingSender;
use crate::update::new::indexer::document_changes::{Extractor, FullySend};
use crate::update::new::indexer::document_changes::{Extractor, MostlySend};
use crate::update::new::vector_document::VectorDocument;
use crate::update::new::DocumentChange;
use crate::vector::error::{
@ -36,15 +36,17 @@ impl<'a> EmbeddingExtractor<'a> {
}
}
impl<'a, 'extractor> Extractor<'extractor> for EmbeddingExtractor<'a> {
type Data = FullySend<RefCell<HashMap<String, DelAddRoaringBitmap>>>;
pub struct EmbeddingExtractorData<'extractor>(
pub HashMap<String, DelAddRoaringBitmap, hashbrown::DefaultHashBuilder, &'extractor Bump>,
);
fn init_data<'doc>(
&'doc self,
_extractor_alloc: raw_collections::alloc::RefBump<'extractor>,
) -> crate::Result<Self::Data> {
/// TODO: use the extractor_alloc in the hashbrown once you merge the branch where it is no longer a RefBump
Ok(FullySend(Default::default()))
unsafe impl MostlySend for EmbeddingExtractorData<'_> {}
impl<'a, 'extractor> Extractor<'extractor> for EmbeddingExtractor<'a> {
type Data = RefCell<EmbeddingExtractorData<'extractor>>;
fn init_data<'doc>(&'doc self, extractor_alloc: &'extractor Bump) -> crate::Result<Self::Data> {
Ok(RefCell::new(EmbeddingExtractorData(HashMap::new_in(extractor_alloc))))
}
fn process<'doc>(
@ -72,7 +74,7 @@ impl<'a, 'extractor> Extractor<'extractor> for EmbeddingExtractor<'a> {
embedder_id,
embedder_name,
prompt,
&context.data.0,
context.data,
&self.possible_embedding_mistakes,
self.threads,
self.sender,
@ -252,7 +254,7 @@ impl<'a, 'extractor> Extractor<'extractor> for EmbeddingExtractor<'a> {
// Currently this is the case as:
// 1. BVec are inside of the bumaplo
// 2. All other fields are either trivial (u8) or references.
struct Chunks<'a> {
struct Chunks<'a, 'extractor> {
texts: BVec<'a, &'a str>,
ids: BVec<'a, DocumentId>,
@ -261,19 +263,19 @@ struct Chunks<'a> {
embedder_name: &'a str,
prompt: &'a Prompt,
possible_embedding_mistakes: &'a PossibleEmbeddingMistakes,
user_provided: &'a RefCell<HashMap<String, DelAddRoaringBitmap>>,
user_provided: &'a RefCell<EmbeddingExtractorData<'extractor>>,
threads: &'a ThreadPoolNoAbort,
sender: &'a EmbeddingSender<'a>,
}
impl<'a> Chunks<'a> {
impl<'a, 'extractor> Chunks<'a, 'extractor> {
#[allow(clippy::too_many_arguments)]
pub fn new(
embedder: &'a Embedder,
embedder_id: u8,
embedder_name: &'a str,
prompt: &'a Prompt,
user_provided: &'a RefCell<HashMap<String, DelAddRoaringBitmap>>,
user_provided: &'a RefCell<EmbeddingExtractorData<'extractor>>,
possible_embedding_mistakes: &'a PossibleEmbeddingMistakes,
threads: &'a ThreadPoolNoAbort,
sender: &'a EmbeddingSender<'a>,
@ -417,7 +419,7 @@ impl<'a> Chunks<'a> {
fn set_regenerate(&self, docid: DocumentId, regenerate: bool) {
let mut user_provided = self.user_provided.borrow_mut();
let user_provided = user_provided.entry_ref(self.embedder_name).or_default();
let user_provided = user_provided.0.entry_ref(self.embedder_name).or_default();
if regenerate {
// regenerate == !user_provided
user_provided.del.get_or_insert(Default::default()).insert(docid);

405
crates/milli/src/update/new/indexer/mod.rs
View File

@ -1,17 +1,17 @@
use std::cmp::Ordering;
use std::sync::RwLock;
use std::sync::{OnceLock, RwLock};
use std::thread::{self, Builder};
use big_s::S;
use document_changes::{
for_each_document_change, DocumentChanges, FullySend, IndexingContext, ThreadLocal,
};
use document_changes::{extract, DocumentChanges, IndexingContext, Progress, ThreadLocal};
pub use document_deletion::DocumentDeletion;
pub use document_operation::DocumentOperation;
use hashbrown::HashMap;
use heed::types::{Bytes, DecodeIgnore, Str};
use heed::{RoTxn, RwTxn};
use itertools::{merge_join_by, EitherOrBoth};
pub use partial_dump::PartialDump;
use rand::SeedableRng as _;
use rayon::ThreadPool;
use time::OffsetDateTime;
pub use update_by_function::UpdateByFunction;
@ -19,37 +19,100 @@ pub use update_by_function::UpdateByFunction;
use super::channel::*;
use super::extract::*;
use super::facet_search_builder::FacetSearchBuilder;
use super::merger::{FacetDatabases, FacetFieldIdsDelta};
use super::word_fst_builder::PrefixDelta;
use super::merger::FacetFieldIdsDelta;
use super::word_fst_builder::{PrefixData, PrefixDelta, WordFstBuilder};
use super::words_prefix_docids::{
compute_word_prefix_docids, compute_word_prefix_fid_docids, compute_word_prefix_position_docids,
};
use super::{StdResult, TopLevelMap};
use crate::documents::{PrimaryKey, DEFAULT_PRIMARY_KEY};
use crate::facet::FacetType;
use crate::fields_ids_map::metadata::{FieldIdMapWithMetadata, MetadataBuilder};
use crate::index::main_key::{WORDS_FST_KEY, WORDS_PREFIXES_FST_KEY};
use crate::proximity::ProximityPrecision;
use crate::update::del_add::DelAdd;
use crate::update::new::word_fst_builder::{PrefixData, WordFstBuilder};
use crate::update::new::extract::EmbeddingExtractor;
use crate::update::new::words_prefix_docids::compute_exact_word_prefix_docids;
use crate::update::new::{merge_and_send_docids, merge_and_send_facet_docids};
use crate::update::new::{merge_and_send_docids, merge_and_send_facet_docids, FacetDatabases};
use crate::update::settings::InnerIndexSettings;
use crate::update::{FacetsUpdateBulk, GrenadParameters};
use crate::{FieldsIdsMap, GlobalFieldsIdsMap, Index, Result, UserError};
use crate::vector::{ArroyWrapper, EmbeddingConfigs, Embeddings};
use crate::{
FieldsIdsMap, GlobalFieldsIdsMap, Index, InternalError, Result, ThreadPoolNoAbort,
ThreadPoolNoAbortBuilder, UserError,
};
pub mod de;
pub(crate) mod de;
pub mod document_changes;
mod document_deletion;
mod document_operation;
mod partial_dump;
mod update_by_function;
mod steps {
pub const STEPS: &[&str] = &[
"extracting documents",
"extracting facets",
"extracting words",
"extracting word proximity",
"extracting embeddings",
"writing to database",
"post-processing facets",
"post-processing words",
"finalizing",
];
const fn step(step: u16) -> (u16, &'static str) {
(step, STEPS[step as usize])
}
pub const fn total_steps() -> u16 {
STEPS.len() as u16
}
pub const fn extract_documents() -> (u16, &'static str) {
step(0)
}
pub const fn extract_facets() -> (u16, &'static str) {
step(1)
}
pub const fn extract_words() -> (u16, &'static str) {
step(2)
}
pub const fn extract_word_proximity() -> (u16, &'static str) {
step(3)
}
pub const fn extract_embeddings() -> (u16, &'static str) {
step(4)
}
pub const fn write_db() -> (u16, &'static str) {
step(5)
}
pub const fn post_processing_facets() -> (u16, &'static str) {
step(6)
}
pub const fn post_processing_words() -> (u16, &'static str) {
step(7)
}
pub const fn finalizing() -> (u16, &'static str) {
step(8)
}
}
/// This is the main function of this crate.
///
/// Give it the output of the [`Indexer::document_changes`] method and it will execute it in the [`rayon::ThreadPool`].
///
/// TODO return stats
pub fn index<'pl, 'indexer, 'index, DC>(
#[allow(clippy::too_many_arguments)] // clippy: 😝
pub fn index<'pl, 'indexer, 'index, DC, MSP, SP>(
wtxn: &mut RwTxn,
index: &'index Index,
db_fields_ids_map: &'indexer FieldsIdsMap,
@ -57,15 +120,23 @@ pub fn index<'pl, 'indexer, 'index, DC>(
new_primary_key: Option<PrimaryKey<'pl>>,
pool: &ThreadPool,
document_changes: &DC,
embedders: EmbeddingConfigs,
must_stop_processing: &'indexer MSP,
send_progress: &'indexer SP,
) -> Result<()>
where
DC: DocumentChanges<'pl>,
MSP: Fn() -> bool + Sync,
SP: Fn(Progress) + Sync,
{
// TODO find a better channel limit
let (extractor_sender, writer_receiver) = extractor_writer_channel(10_000);
let metadata_builder = MetadataBuilder::from_index(index, wtxn)?;
let new_fields_ids_map = FieldIdMapWithMetadata::new(new_fields_ids_map, metadata_builder);
let new_fields_ids_map = RwLock::new(new_fields_ids_map);
let global_fields_ids_map = GlobalFieldsIdsMap::new(&new_fields_ids_map);
let fields_ids_map_store = ThreadLocal::with_capacity(pool.current_num_threads());
let mut extractor_allocs = ThreadLocal::with_capacity(pool.current_num_threads());
let doc_allocs = ThreadLocal::with_capacity(pool.current_num_threads());
@ -76,46 +147,69 @@ where
new_fields_ids_map: &new_fields_ids_map,
doc_allocs: &doc_allocs,
fields_ids_map_store: &fields_ids_map_store,
must_stop_processing,
send_progress,
};
thread::scope(|s| -> crate::Result<_> {
let total_steps = steps::total_steps();
let mut field_distribution = index.field_distribution(wtxn)?;
let mut document_ids = index.documents_ids(wtxn)?;
thread::scope(|s| -> Result<()> {
let indexer_span = tracing::Span::current();
let embedders = &embedders;
// prevent moving the field_distribution and document_ids in the inner closure...
let field_distribution = &mut field_distribution;
let document_ids = &mut document_ids;
// TODO manage the errors correctly
let extractor_handle = Builder::new().name(S("indexer-extractors")).spawn_scoped(s, move || {
pool.in_place_scope(|_s| {
let span = tracing::trace_span!(target: "indexing::documents", parent: &indexer_span, "extract");
let _entered = span.enter();
let span = tracing::trace_span!(target: "indexing::documents", parent: &indexer_span, "extract");
let _entered = span.enter();
// document but we need to create a function that collects and compresses documents.
let rtxn = index.read_txn().unwrap();
let document_sender = extractor_sender.documents();
let document_extractor = DocumentsExtractor::new(&document_sender);
let datastore = ThreadLocal::with_capacity(pool.current_num_threads());
for_each_document_change(document_changes, &document_extractor, indexing_context, &mut extractor_allocs, &datastore)?;
let rtxn = index.read_txn()?;
let mut documents_ids = index.documents_ids(&rtxn)?;
let delta_documents_ids = datastore.into_iter().map(|FullySend(d)| d.into_inner()).reduce(DelAddRoaringBitmap::merge).unwrap_or_default();
delta_documents_ids.apply_to(&mut documents_ids);
extractor_sender.send_documents_ids(documents_ids).unwrap();
// document but we need to create a function that collects and compresses documents.
let document_sender = extractor_sender.documents();
let document_extractor = DocumentsExtractor::new(&document_sender, embedders);
let datastore = ThreadLocal::with_capacity(pool.current_num_threads());
let (finished_steps, step_name) = steps::extract_documents();
extract(document_changes, &document_extractor, indexing_context, &mut extractor_allocs, &datastore, finished_steps, total_steps, step_name)?;
// document_sender.finish().unwrap();
const TEN_GIB: usize = 10 * 1024 * 1024 * 1024;
let current_num_threads = rayon::current_num_threads();
let max_memory = TEN_GIB / current_num_threads;
eprintln!("A maximum of {max_memory} bytes will be used for each of the {current_num_threads} threads");
let grenad_parameters = GrenadParameters {
max_memory: Some(max_memory),
..GrenadParameters::default()
};
for document_extractor_data in datastore {
let document_extractor_data = document_extractor_data.0.into_inner();
for (field, delta) in document_extractor_data.field_distribution_delta {
let current = field_distribution.entry(field).or_default();
// adding the delta should never cause a negative result, as we are removing fields that previously existed.
*current = current.saturating_add_signed(delta);
}
document_extractor_data.docids_delta.apply_to(document_ids);
}
let facet_field_ids_delta;
field_distribution.retain(|_, v| *v == 0);
const TEN_GIB: usize = 10 * 1024 * 1024 * 1024;
let current_num_threads = rayon::current_num_threads();
let max_memory = TEN_GIB / current_num_threads;
eprintln!("A maximum of {max_memory} bytes will be used for each of the {current_num_threads} threads");
let grenad_parameters = GrenadParameters {
max_memory: Some(max_memory),
..GrenadParameters::default()
};
let facet_field_ids_delta;
{
let span = tracing::trace_span!(target: "indexing::documents::extract", "faceted");
let _entered = span.enter();
let (finished_steps, step_name) = steps::extract_facets();
facet_field_ids_delta = merge_and_send_facet_docids(
FacetedDocidsExtractor::run_extraction(grenad_parameters, document_changes, indexing_context, &mut extractor_allocs)?,
FacetedDocidsExtractor::run_extraction(grenad_parameters, document_changes, indexing_context, &mut extractor_allocs, finished_steps, total_steps, step_name)?,
FacetDatabases::new(index),
index,
extractor_sender.facet_docids(),
@ -125,6 +219,7 @@ where
{
let span = tracing::trace_span!(target: "indexing::documents::extract", "word_docids");
let _entered = span.enter();
let (finished_steps, step_name) = steps::extract_words();
let WordDocidsCaches {
word_docids,
@ -132,7 +227,7 @@ where
exact_word_docids,
word_position_docids,
fid_word_count_docids,
} = WordDocidsExtractors::run_extraction(grenad_parameters, document_changes, indexing_context, &mut extractor_allocs)?;
} = WordDocidsExtractors::run_extraction(grenad_parameters, document_changes, indexing_context, &mut extractor_allocs, finished_steps, total_steps, step_name)?;
// TODO Word Docids Merger
// extractor_sender.send_searchable::<WordDocids>(word_docids).unwrap();
@ -206,7 +301,10 @@ where
if proximity_precision == ProximityPrecision::ByWord {
let span = tracing::trace_span!(target: "indexing::documents::extract", "word_pair_proximity_docids");
let _entered = span.enter();
let caches = <WordPairProximityDocidsExtractor as DocidsExtractor>::run_extraction(grenad_parameters, document_changes, indexing_context, &mut extractor_allocs)?;
let (finished_steps, step_name) = steps::extract_word_proximity();
let caches = <WordPairProximityDocidsExtractor as DocidsExtractor>::run_extraction(grenad_parameters, document_changes, indexing_context, &mut extractor_allocs, finished_steps, total_steps, step_name)?;
merge_and_send_docids(
caches,
index.word_pair_proximity_docids.remap_types(),
@ -215,62 +313,212 @@ where
)?;
}
{
let span = tracing::trace_span!(target: "indexing::documents::extract", "FINISH");
let _entered = span.enter();
}
'vectors: {
let span = tracing::trace_span!(target: "indexing::documents::extract", "vectors");
let _entered = span.enter();
// TODO THIS IS TOO MUCH
// - [ ] Extract fieldid docid facet number
// - [ ] Extract fieldid docid facet string
// - [ ] Extract facetid string fst
// - [ ] Extract facetid normalized string strings
let index_embeddings = index.embedding_configs(&rtxn)?;
if index_embeddings.is_empty() {
break 'vectors;
}
// TODO Inverted Indexes again
// - [x] Extract fieldid facet isempty docids
// - [x] Extract fieldid facet isnull docids
// - [x] Extract fieldid facet exists docids
let embedding_sender = extractor_sender.embeddings();
let extractor = EmbeddingExtractor::new(embedders, &embedding_sender, field_distribution, request_threads());
let datastore = ThreadLocal::with_capacity(pool.current_num_threads());
let (finished_steps, step_name) = steps::extract_embeddings();
// TODO This is the normal system
// - [x] Extract fieldid facet number docids
// - [x] Extract fieldid facet string docids
// TODO use None when needed
Result::Ok(facet_field_ids_delta)
})
extract(document_changes, &extractor, indexing_context, &mut extractor_allocs, &datastore, finished_steps, total_steps, step_name)?;
let mut user_provided = HashMap::new();
for data in datastore {
let data = data.into_inner().0;
for (embedder, deladd) in data.into_iter() {
let user_provided = user_provided.entry(embedder).or_insert(Default::default());
if let Some(del) = deladd.del {
*user_provided -= del;
}
if let Some(add) = deladd.add {
*user_provided |= add;
}
}
}
embedding_sender.finish(user_provided).unwrap();
}
{
let span = tracing::trace_span!(target: "indexing::documents::extract", "FINISH");
let _entered = span.enter();
let (finished_steps, step_name) = steps::write_db();
(indexing_context.send_progress)(Progress { finished_steps, total_steps, step_name, finished_total_documents: None });
}
// TODO THIS IS TOO MUCH
// - [ ] Extract fieldid docid facet number
// - [ ] Extract fieldid docid facet string
// - [ ] Extract facetid string fst
// - [ ] Extract facetid normalized string strings
// TODO Inverted Indexes again
// - [x] Extract fieldid facet isempty docids
// - [x] Extract fieldid facet isnull docids
// - [x] Extract fieldid facet exists docids
// TODO This is the normal system
// - [x] Extract fieldid facet number docids
// - [x] Extract fieldid facet string docids
Result::Ok(facet_field_ids_delta)
})
})?;
let global_fields_ids_map = GlobalFieldsIdsMap::new(&new_fields_ids_map);
let indexer_span = tracing::Span::current();
let vector_arroy = index.vector_arroy;
let mut rng = rand::rngs::StdRng::seed_from_u64(42);
let indexer_span = tracing::Span::current();
let arroy_writers: Result<HashMap<_, _>> = embedders
.inner_as_ref()
.iter()
.map(|(embedder_name, (embedder, _, was_quantized))| {
let embedder_index = index.embedder_category_id.get(wtxn, embedder_name)?.ok_or(
InternalError::DatabaseMissingEntry {
db_name: "embedder_category_id",
key: None,
},
)?;
let dimensions = embedder.dimensions();
let writer = ArroyWrapper::new(vector_arroy, embedder_index, *was_quantized);
Ok((
embedder_index,
(embedder_name.as_str(), embedder.as_ref(), writer, dimensions),
))
})
.collect();
let mut arroy_writers = arroy_writers?;
for operation in writer_receiver {
let database = operation.database(index);
match operation.entry() {
EntryOperation::Delete(e) => {
if !database.delete(wtxn, e.entry())? {
unreachable!("We tried to delete an unknown key")
match operation {
WriterOperation::DbOperation(db_operation) => {
let database = db_operation.database(index);
match db_operation.entry() {
EntryOperation::Delete(e) => {
if !database.delete(wtxn, e.entry())? {
unreachable!("We tried to delete an unknown key")
}
}
EntryOperation::Write(e) => database.put(wtxn, e.key(), e.value())?,
}
}
EntryOperation::Write(e) => database.put(wtxn, e.key(), e.value())?,
WriterOperation::ArroyOperation(arroy_operation) => match arroy_operation {
ArroyOperation::DeleteVectors { docid } => {
for (_embedder_index, (_embedder_name, _embedder, writer, dimensions)) in
&mut arroy_writers
{
let dimensions = *dimensions;
writer.del_items(wtxn, dimensions, docid)?;
}
}
ArroyOperation::SetVectors {
docid,
embedder_id,
embeddings: raw_embeddings,
} => {
let (_, _, writer, dimensions) =
arroy_writers.get(&embedder_id).expect("requested a missing embedder");
// TODO: switch to Embeddings
let mut embeddings = Embeddings::new(*dimensions);
for embedding in raw_embeddings {
embeddings.append(embedding).unwrap();
}
writer.del_items(wtxn, *dimensions, docid)?;
writer.add_items(wtxn, docid, &embeddings)?;
}
ArroyOperation::SetVector { docid, embedder_id, embedding } => {
let (_, _, writer, dimensions) =
arroy_writers.get(&embedder_id).expect("requested a missing embedder");
writer.del_items(wtxn, *dimensions, docid)?;
writer.add_item(wtxn, docid, &embedding)?;
}
ArroyOperation::Finish { mut user_provided } => {
let span = tracing::trace_span!(target: "indexing::vectors", parent: &indexer_span, "build");
let _entered = span.enter();
for (_embedder_index, (_embedder_name, _embedder, writer, dimensions)) in
&mut arroy_writers
{
let dimensions = *dimensions;
writer.build_and_quantize(
wtxn,
&mut rng,
dimensions,
false,
&indexing_context.must_stop_processing,
)?;
}
let mut configs = index.embedding_configs(wtxn)?;
for config in &mut configs {
if let Some(user_provided) = user_provided.remove(&config.name) {
config.user_provided = user_provided;
}
}
index.put_embedding_configs(wtxn, configs)?;
}
},
}
}
/// TODO handle the panicking threads
let facet_field_ids_delta = extractor_handle.join().unwrap()?;
let (finished_steps, step_name) = steps::post_processing_facets();
(indexing_context.send_progress)(Progress {
finished_steps,
total_steps,
step_name,
finished_total_documents: None,
});
compute_facet_level_database(index, wtxn, facet_field_ids_delta)?;
compute_facet_search_database(index, wtxn, global_fields_ids_map)?;
let (finished_steps, step_name) = steps::post_processing_words();
(indexing_context.send_progress)(Progress {
finished_steps,
total_steps,
step_name,
finished_total_documents: None,
});
if let Some(prefix_delta) = compute_word_fst(index, wtxn)? {
compute_prefix_database(index, wtxn, prefix_delta)?;
}
compute_facet_search_database(index, wtxn, global_fields_ids_map)?;
let (finished_steps, step_name) = steps::finalizing();
(indexing_context.send_progress)(Progress {
finished_steps,
total_steps,
step_name,
finished_total_documents: None,
});
compute_facet_level_database(index, wtxn, facet_field_ids_delta)?;
Result::Ok(())
Ok(()) as Result<_>
})?;
// required to into_inner the new_fields_ids_map
drop(fields_ids_map_store);
let fields_ids_map = new_fields_ids_map.into_inner().unwrap();
index.put_fields_ids_map(wtxn, &fields_ids_map)?;
let new_fields_ids_map = new_fields_ids_map.into_inner().unwrap();
index.put_fields_ids_map(wtxn, new_fields_ids_map.as_fields_ids_map())?;
if let Some(new_primary_key) = new_primary_key {
index.put_primary_key(wtxn, new_primary_key.name())?;
@ -280,7 +528,8 @@ where
let mut inner_index_settings = InnerIndexSettings::from_index(index, wtxn)?;
inner_index_settings.recompute_facets(wtxn, index)?;
inner_index_settings.recompute_searchables(wtxn, index)?;
index.put_field_distribution(wtxn, &field_distribution)?;
index.put_documents_ids(wtxn, &document_ids)?;
index.set_updated_at(wtxn, &OffsetDateTime::now_utc())?;
Ok(())
@ -517,3 +766,15 @@ pub fn retrieve_or_guess_primary_key<'a>(
Err(err) => Ok(Err(err)),
}
}
fn request_threads() -> &'static ThreadPoolNoAbort {
static REQUEST_THREADS: OnceLock<ThreadPoolNoAbort> = OnceLock::new();
REQUEST_THREADS.get_or_init(|| {
ThreadPoolNoAbortBuilder::new()
.num_threads(crate::vector::REQUEST_PARALLELISM)
.thread_name(|index| format!("embedding-request-{index}"))
.build()
.unwrap()
})
}

14
crates/milli/src/update/new/vector_document.rs
View File

@ -14,7 +14,7 @@ use crate::index::IndexEmbeddingConfig;
use crate::vector::parsed_vectors::{
RawVectors, VectorOrArrayOfVectors, RESERVED_VECTORS_FIELD_NAME,
};
use crate::vector::{Embedding, EmbeddingConfigs};
use crate::vector::{ArroyWrapper, Embedding, EmbeddingConfigs};
use crate::{DocumentId, Index, InternalError, Result, UserError};
#[derive(Serialize)]
@ -117,16 +117,10 @@ impl<'t> VectorDocumentFromDb<'t> {
embedder_id: u8,
config: &IndexEmbeddingConfig,
) -> Result<VectorEntry<'t>> {
let readers = self.index.arroy_readers(self.rtxn, embedder_id, config.config.quantized());
let mut vectors = Vec::new();
for reader in readers {
let reader = reader?;
let Some(vector) = reader.item_vector(self.rtxn, self.docid)? else {
break;
};
let reader =
ArroyWrapper::new(self.index.vector_arroy, embedder_id, config.config.quantized());
let vectors = reader.item_vectors(self.rtxn, self.docid)?;
vectors.push(vector);
}
Ok(VectorEntry {
has_configured_embedder: true,
embeddings: Some(Embeddings::FromDb(vectors)),

2
crates/milli/src/vector/error.rs
View File

@ -454,7 +454,7 @@ impl UnusedVectorsDistribution {
}
pub struct UnusedVectorsDistributionBump<'doc>(
hashbrown::HashMap<&'doc str, u64, hashbrown::hash_map::DefaultHashBuilder, &'doc Bump>,
hashbrown::HashMap<&'doc str, u64, hashbrown::DefaultHashBuilder, &'doc Bump>,
);
impl<'doc> UnusedVectorsDistributionBump<'doc> {

823
milli/src/update/new/indexer/mod.rs
View File

@ -1,823 +0,0 @@
use std::cell::RefCell;
use std::sync::{OnceLock, RwLock};
use std::thread::{self, Builder};
use big_s::S;
use bumpalo::Bump;
use document_changes::{
extract, DocumentChangeContext, DocumentChanges, Extractor, FullySend, IndexingContext,
Progress, RefCellExt, ThreadLocal,
};
pub use document_deletion::DocumentDeletion;
pub use document_operation::DocumentOperation;
use hashbrown::HashMap;
use heed::{RoTxn, RwTxn};
use itertools::{EitherOrBoth, Itertools};
pub use partial_dump::PartialDump;
use rand::SeedableRng as _;
use rayon::ThreadPool;
use time::OffsetDateTime;
pub use update_by_function::UpdateByFunction;
use super::channel::*;
use super::document::{write_to_obkv, Document};
use super::document_change::DocumentChange;
use super::extract::*;
use super::merger::{merge_grenad_entries, FacetFieldIdsDelta};
use super::word_fst_builder::PrefixDelta;
use super::words_prefix_docids::{
compute_word_prefix_docids, compute_word_prefix_fid_docids, compute_word_prefix_position_docids,
};
use super::{StdResult, TopLevelMap};
use crate::documents::{PrimaryKey, DEFAULT_PRIMARY_KEY};
use crate::facet::FacetType;
use crate::fields_ids_map::metadata::{FieldIdMapWithMetadata, MetadataBuilder};
use crate::proximity::ProximityPrecision;
use crate::update::new::channel::ExtractorSender;
use crate::update::new::extract::EmbeddingExtractor;
use crate::update::new::words_prefix_docids::compute_exact_word_prefix_docids;
use crate::update::settings::InnerIndexSettings;
use crate::update::{FacetsUpdateBulk, GrenadParameters};
use crate::vector::{ArroyWrapper, EmbeddingConfigs};
use crate::{
FieldsIdsMap, GlobalFieldsIdsMap, Index, InternalError, Result, ThreadPoolNoAbort,
ThreadPoolNoAbortBuilder, UserError,
};
pub(crate) mod de;
pub mod document_changes;
mod document_deletion;
mod document_operation;
mod partial_dump;
mod update_by_function;
struct DocumentExtractor<'a> {
document_sender: &'a DocumentSender<'a>,
embedders: &'a EmbeddingConfigs,
}
impl<'a, 'extractor> Extractor<'extractor> for DocumentExtractor<'a> {
type Data = FullySend<RefCell<HashMap<String, i64>>>;
fn init_data(
&self,
_extractor_alloc: raw_collections::alloc::RefBump<'extractor>,
) -> Result<Self::Data> {
Ok(FullySend(Default::default()))
}
fn process<'doc>(
&self,
changes: impl Iterator<Item = Result<DocumentChange<'doc>>>,
context: &DocumentChangeContext<Self::Data>,
) -> Result<()> {
let mut document_buffer = Vec::new();
let mut field_distribution_delta = context.data.0.borrow_mut_or_yield();
let mut new_fields_ids_map = context.new_fields_ids_map.borrow_mut_or_yield();
for change in changes {
let change = change?;
let external_docid = change.external_docid().to_owned();
// document but we need to create a function that collects and compresses documents.
match change {
DocumentChange::Deletion(deletion) => {
let docid = deletion.docid();
let content = deletion.current(
&context.txn,
context.index,
&context.db_fields_ids_map,
)?;
for res in content.iter_top_level_fields() {
let (f, _) = res?;
let entry = field_distribution_delta.entry_ref(f).or_default();
*entry -= 1;
}
self.document_sender.delete(docid, external_docid).unwrap();
}
DocumentChange::Update(update) => {
let docid = update.docid();
let content =
update.current(&context.txn, context.index, &context.db_fields_ids_map)?;
for res in content.iter_top_level_fields() {
let (f, _) = res?;
let entry = field_distribution_delta.entry_ref(f).or_default();
*entry -= 1;
}
let content = update.updated();
for res in content.iter_top_level_fields() {
let (f, _) = res?;
let entry = field_distribution_delta.entry_ref(f).or_default();
*entry += 1;
}
let content =
update.merged(&context.txn, context.index, &context.db_fields_ids_map)?;
let vector_content = update.merged_vectors(
&context.txn,
context.index,
&context.db_fields_ids_map,
&context.doc_alloc,
self.embedders,
)?;
let content = write_to_obkv(
&content,
vector_content.as_ref(),
&mut new_fields_ids_map,
&mut document_buffer,
)?;
self.document_sender.insert(docid, external_docid, content.boxed()).unwrap();
}
DocumentChange::Insertion(insertion) => {
let docid = insertion.docid();
let content = insertion.inserted();
for res in content.iter_top_level_fields() {
let (f, _) = res?;
let entry = field_distribution_delta.entry_ref(f).or_default();
*entry += 1;
}
let inserted_vectors =
insertion.inserted_vectors(&context.doc_alloc, self.embedders)?;
let content = write_to_obkv(
&content,
inserted_vectors.as_ref(),
&mut new_fields_ids_map,
&mut document_buffer,
)?;
self.document_sender.insert(docid, external_docid, content.boxed()).unwrap();
// extracted_dictionary_sender.send(self, dictionary: &[u8]);
}
}
}
Ok(())
}
}
mod steps {
pub const STEPS: &[&str] = &[
"extracting documents",
"extracting facets",
"extracting words",
"extracting word proximity",
"extracting embeddings",
"writing to database",
"post-processing facets",
"post-processing words",
"finalizing",
];
const fn step(step: u16) -> (u16, &'static str) {
(step, STEPS[step as usize])
}
pub const fn total_steps() -> u16 {
STEPS.len() as u16
}
pub const fn extract_documents() -> (u16, &'static str) {
step(0)
}
pub const fn extract_facets() -> (u16, &'static str) {
step(1)
}
pub const fn extract_words() -> (u16, &'static str) {
step(2)
}
pub const fn extract_word_proximity() -> (u16, &'static str) {
step(3)
}
pub const fn extract_embeddings() -> (u16, &'static str) {
step(4)
}
pub const fn write_db() -> (u16, &'static str) {
step(5)
}
pub const fn post_processing_facets() -> (u16, &'static str) {
step(6)
}
pub const fn post_processing_words() -> (u16, &'static str) {
step(7)
}
pub const fn finalizing() -> (u16, &'static str) {
step(8)
}
}
/// This is the main function of this crate.
///
/// Give it the output of the [`Indexer::document_changes`] method and it will execute it in the [`rayon::ThreadPool`].
///
/// TODO return stats
#[allow(clippy::too_many_arguments)] // clippy: 😝
pub fn index<'pl, 'indexer, 'index, DC, MSP, SP>(
wtxn: &mut RwTxn,
index: &'index Index,
db_fields_ids_map: &'indexer FieldsIdsMap,
new_fields_ids_map: FieldsIdsMap,
new_primary_key: Option<PrimaryKey<'pl>>,
pool: &ThreadPool,
document_changes: &DC,
embedders: EmbeddingConfigs,
must_stop_processing: &'indexer MSP,
send_progress: &'indexer SP,
) -> Result<()>
where
DC: DocumentChanges<'pl>,
MSP: Fn() -> bool + Sync,
SP: Fn(Progress) + Sync,
{
let (merger_sender, writer_receiver) = merger_writer_channel(10_000);
// This channel acts as a rendezvous point to ensure that we are one task ahead
let (extractor_sender, merger_receiver) = extractors_merger_channels(4);
let metadata_builder = MetadataBuilder::from_index(index, wtxn)?;
let new_fields_ids_map = FieldIdMapWithMetadata::new(new_fields_ids_map, metadata_builder);
let new_fields_ids_map = RwLock::new(new_fields_ids_map);
let fields_ids_map_store = ThreadLocal::with_capacity(pool.current_num_threads());
let mut extractor_allocs = ThreadLocal::with_capacity(pool.current_num_threads());
let doc_allocs = ThreadLocal::with_capacity(pool.current_num_threads());
let indexing_context = IndexingContext {
index,
db_fields_ids_map,
new_fields_ids_map: &new_fields_ids_map,
doc_allocs: &doc_allocs,
fields_ids_map_store: &fields_ids_map_store,
must_stop_processing,
send_progress,
};
let total_steps = steps::total_steps();
let mut field_distribution = index.field_distribution(wtxn)?;
thread::scope(|s| -> Result<()> {
let indexer_span = tracing::Span::current();
let embedders = &embedders;
// prevent moving the field_distribution in the inner closure...
let field_distribution = &mut field_distribution;
// TODO manage the errors correctly
let handle = Builder::new().name(S("indexer-extractors")).spawn_scoped(s, move || {
pool.in_place_scope(|_s| {
let span = tracing::trace_span!(target: "indexing::documents", parent: &indexer_span, "extract");
let _entered = span.enter();
// document but we need to create a function that collects and compresses documents.
let document_sender = extractor_sender.document_sender();
let document_extractor = DocumentExtractor { document_sender: &document_sender, embedders };
let datastore = ThreadLocal::with_capacity(pool.current_num_threads());
let (finished_steps, step_name) = steps::extract_documents();
extract(document_changes, &document_extractor, indexing_context, &mut extractor_allocs, &datastore, finished_steps, total_steps, step_name)?;
for field_distribution_delta in datastore {
let field_distribution_delta = field_distribution_delta.0.into_inner();
for (field, delta) in field_distribution_delta {
let current = field_distribution.entry(field).or_default();
// adding the delta should never cause a negative result, as we are removing fields that previously existed.
*current = current.saturating_add_signed(delta);
}
}
field_distribution.retain(|_, v| *v == 0);
document_sender.finish().unwrap();
const TEN_GIB: usize = 10 * 1024 * 1024 * 1024;
let max_memory = TEN_GIB / dbg!(rayon::current_num_threads());
let grenad_parameters = GrenadParameters {
max_memory: Some(max_memory),
..GrenadParameters::default()
};
{
let span = tracing::trace_span!(target: "indexing::documents::extract", "faceted");
let _entered = span.enter();
let (finished_steps, step_name) = steps::extract_facets();
extract_and_send_docids::<
_,
FacetedDocidsExtractor,
FacetDocids,
_,
_
>(
grenad_parameters,
document_changes,
indexing_context,
&mut extractor_allocs,
&extractor_sender,
finished_steps,
total_steps,
step_name
)?;
}
{
let span = tracing::trace_span!(target: "indexing::documents::extract", "word_docids");
let _entered = span.enter();
let (finished_steps, step_name) = steps::extract_words();
let WordDocidsMergers {
word_fid_docids,
word_docids,
exact_word_docids,
word_position_docids,
fid_word_count_docids,
} = WordDocidsExtractors::run_extraction(grenad_parameters, document_changes, indexing_context, &mut extractor_allocs, finished_steps, total_steps, step_name)?;
extractor_sender.send_searchable::<WordDocids>(word_docids).unwrap();
extractor_sender.send_searchable::<WordFidDocids>(word_fid_docids).unwrap();
extractor_sender.send_searchable::<ExactWordDocids>(exact_word_docids).unwrap();
extractor_sender.send_searchable::<WordPositionDocids>(word_position_docids).unwrap();
extractor_sender.send_searchable::<FidWordCountDocids>(fid_word_count_docids).unwrap();
}
// run the proximity extraction only if the precision is by word
// this works only if the settings didn't change during this transaction.
let rtxn = index.read_txn().unwrap();
let proximity_precision = index.proximity_precision(&rtxn)?.unwrap_or_default();
if proximity_precision == ProximityPrecision::ByWord {
let span = tracing::trace_span!(target: "indexing::documents::extract", "word_pair_proximity_docids");
let _entered = span.enter();
let (finished_steps, step_name) = steps::extract_word_proximity();
extract_and_send_docids::<
_,
WordPairProximityDocidsExtractor,
WordPairProximityDocids,
_,
_
>(
grenad_parameters,
document_changes,
indexing_context,
&mut extractor_allocs,
&extractor_sender,
finished_steps,
total_steps,
step_name,
)?;
}
'vectors: {
let span = tracing::trace_span!(target: "indexing::documents::extract", "vectors");
let _entered = span.enter();
let index_embeddings = index.embedding_configs(&rtxn)?;
if index_embeddings.is_empty() {
break 'vectors;
}
/// FIXME: need access to `merger_sender`
let embedding_sender = todo!();
let extractor = EmbeddingExtractor::new(embedders, &embedding_sender, &field_distribution, request_threads());
let datastore = ThreadLocal::with_capacity(pool.current_num_threads());
let (finished_steps, step_name) = steps::extract_embeddings();
extract(document_changes, &extractor, indexing_context, &mut extractor_allocs, &datastore, finished_steps, total_steps, step_name)?;
let mut user_provided = HashMap::new();
for data in datastore {
let data = data.0.into_inner();
for (embedder, deladd) in data.into_iter() {
let user_provided = user_provided.entry(embedder).or_insert(Default::default());
if let Some(del) = deladd.del {
*user_provided -= del;
}
if let Some(add) = deladd.add {
*user_provided |= add;
}
}
}
embedding_sender.finish(user_provided).unwrap();
}
{
let span = tracing::trace_span!(target: "indexing::documents::extract", "FINISH");
let _entered = span.enter();
let (finished_steps, step_name) = steps::write_db();
(indexing_context.send_progress)(Progress { finished_steps, total_steps, step_name, finished_total_documents: None });
}
// TODO THIS IS TOO MUCH
// - [ ] Extract fieldid docid facet number
// - [ ] Extract fieldid docid facet string
// - [ ] Extract facetid string fst
// - [ ] Extract facetid normalized string strings
// TODO Inverted Indexes again
// - [x] Extract fieldid facet isempty docids
// - [x] Extract fieldid facet isnull docids
// - [x] Extract fieldid facet exists docids
// TODO This is the normal system
// - [x] Extract fieldid facet number docids
// - [x] Extract fieldid facet string docids
Ok(()) as Result<_>
})
})?;
let global_fields_ids_map = GlobalFieldsIdsMap::new(&new_fields_ids_map);
let indexer_span = tracing::Span::current();
// TODO manage the errors correctly
let merger_thread = Builder::new().name(S("indexer-merger")).spawn_scoped(s, move || {
let span =
tracing::trace_span!(target: "indexing::documents", parent: &indexer_span, "merge");
let _entered = span.enter();
let rtxn = index.read_txn().unwrap();
merge_grenad_entries(
merger_receiver,
merger_sender,
&rtxn,
index,
global_fields_ids_map,
)
})?;
let vector_arroy = index.vector_arroy;
let mut rng = rand::rngs::StdRng::seed_from_u64(42);
let indexer_span = tracing::Span::current();
let arroy_writers: Result<HashMap<_, _>> = embedders
.inner_as_ref()
.iter()
.map(|(embedder_name, (embedder, _, was_quantized))| {
let embedder_index = index.embedder_category_id.get(wtxn, embedder_name)?.ok_or(
InternalError::DatabaseMissingEntry {
db_name: "embedder_category_id",
key: None,
},
)?;
let dimensions = embedder.dimensions();
let writers: Vec<_> = crate::vector::arroy_db_range_for_embedder(embedder_index)
.map(|k| ArroyWrapper::new(vector_arroy, k, *was_quantized))
.collect();
Ok((
embedder_index,
(embedder_name.as_str(), embedder.as_ref(), writers, dimensions),
))
})
.collect();
let mut arroy_writers = arroy_writers?;
for operation in writer_receiver {
match operation {
WriterOperation::DbOperation(db_operation) => {
let database = db_operation.database(index);
match db_operation.entry() {
EntryOperation::Delete(e) => {
if !database.delete(wtxn, e.entry())? {
unreachable!("We tried to delete an unknown key")
}
}
EntryOperation::Write(e) => database.put(wtxn, e.key(), e.value())?,
}
}
WriterOperation::ArroyOperation(arroy_operation) => match arroy_operation {
ArroyOperation::DeleteVectors { docid } => {
for (_embedder_index, (_embedder_name, _embedder, writers, dimensions)) in
&mut arroy_writers
{
let dimensions = *dimensions;
for writer in writers {
// Uses invariant: vectors are packed in the first writers.
if !writer.del_item(wtxn, dimensions, docid)? {
break;
}
}
}
}
ArroyOperation::SetVectors { docid, embedder_id, embeddings } => {
let (_, _, writers, dimensions) =
arroy_writers.get(&embedder_id).expect("requested a missing embedder");
for res in writers.iter().zip_longest(&embeddings) {
match res {
EitherOrBoth::Both(writer, embedding) => {
writer.add_item(wtxn, *dimensions, docid, embedding)?;
}
EitherOrBoth::Left(writer) => {
let deleted = writer.del_item(wtxn, *dimensions, docid)?;
if !deleted {
break;
}
}
EitherOrBoth::Right(_embedding) => {
let external_document_id = index
.external_id_of(wtxn, std::iter::once(docid))?
.into_iter()
.next()
.unwrap()?;
return Err(UserError::TooManyVectors(
external_document_id,
embeddings.len(),
)
.into());
}
}
}
}
ArroyOperation::SetVector { docid, embedder_id, embedding } => {
let (_, _, writers, dimensions) =
arroy_writers.get(&embedder_id).expect("requested a missing embedder");
for res in writers.iter().zip_longest(std::iter::once(&embedding)) {
match res {
EitherOrBoth::Both(writer, embedding) => {
writer.add_item(wtxn, *dimensions, docid, embedding)?;
}
EitherOrBoth::Left(writer) => {
let deleted = writer.del_item(wtxn, *dimensions, docid)?;
if !deleted {
break;
}
}
EitherOrBoth::Right(_embedding) => {
unreachable!("1 vs 256 vectors")
}
}
}
}
ArroyOperation::Finish { mut user_provided } => {
let span = tracing::trace_span!(target: "indexing::vectors", parent: &indexer_span, "build");
let _entered = span.enter();
for (_embedder_index, (_embedder_name, _embedder, writers, dimensions)) in
&mut arroy_writers
{
let dimensions = *dimensions;
for writer in writers {
if writer.need_build(wtxn, dimensions)? {
writer.build(wtxn, &mut rng, dimensions)?;
} else if writer.is_empty(wtxn, dimensions)? {
break;
}
}
}
let mut configs = index.embedding_configs(wtxn)?;
for config in &mut configs {
if let Some(user_provided) = user_provided.remove(&config.name) {
config.user_provided = user_provided;
}
}
index.put_embedding_configs(wtxn, configs)?;
}
},
}
}
/// TODO handle the panicking threads
handle.join().unwrap()?;
let merger_result = merger_thread.join().unwrap()?;
let (finished_steps, step_name) = steps::post_processing_facets();
(indexing_context.send_progress)(Progress {
finished_steps,
total_steps,
step_name,
finished_total_documents: None,
});
if let Some(facet_field_ids_delta) = merger_result.facet_field_ids_delta {
compute_facet_level_database(index, wtxn, facet_field_ids_delta)?;
}
let (finished_steps, step_name) = steps::post_processing_words();
(indexing_context.send_progress)(Progress {
finished_steps,
total_steps,
step_name,
finished_total_documents: None,
});
if let Some(prefix_delta) = merger_result.prefix_delta {
compute_prefix_database(index, wtxn, prefix_delta)?;
}
let (finished_steps, step_name) = steps::finalizing();
(indexing_context.send_progress)(Progress {
finished_steps,
total_steps,
step_name,
finished_total_documents: None,
});
Ok(()) as Result<_>
})?;
// required to into_inner the new_fields_ids_map
drop(fields_ids_map_store);
let new_fields_ids_map = new_fields_ids_map.into_inner().unwrap();
index.put_fields_ids_map(wtxn, new_fields_ids_map.as_fields_ids_map())?;
if let Some(new_primary_key) = new_primary_key {
index.put_primary_key(wtxn, new_primary_key.name())?;
}
// used to update the localized and weighted maps while sharing the update code with the settings pipeline.
let mut inner_index_settings = InnerIndexSettings::from_index(index, wtxn)?;
inner_index_settings.recompute_facets(wtxn, index)?;
inner_index_settings.recompute_searchables(wtxn, index)?;
index.put_field_distribution(wtxn, &field_distribution)?;
index.set_updated_at(wtxn, &OffsetDateTime::now_utc())?;
Ok(())
}
#[tracing::instrument(level = "trace", skip_all, target = "indexing::prefix")]
fn compute_prefix_database(
index: &Index,
wtxn: &mut RwTxn,
prefix_delta: PrefixDelta,
) -> Result<()> {
eprintln!("prefix_delta: {:?}", &prefix_delta);
let PrefixDelta { modified, deleted } = prefix_delta;
// Compute word prefix docids
compute_word_prefix_docids(wtxn, index, &modified, &deleted)?;
// Compute exact word prefix docids
compute_exact_word_prefix_docids(wtxn, index, &modified, &deleted)?;
// Compute word prefix fid docids
compute_word_prefix_fid_docids(wtxn, index, &modified, &deleted)?;
// Compute word prefix position docids
compute_word_prefix_position_docids(wtxn, index, &modified, &deleted)
}
#[tracing::instrument(level = "trace", skip_all, target = "indexing::facet_field_ids")]
fn compute_facet_level_database(
index: &Index,
wtxn: &mut RwTxn,
facet_field_ids_delta: FacetFieldIdsDelta,
) -> Result<()> {
eprintln!("facet_field_ids_delta: {:?}", &facet_field_ids_delta);
if let Some(modified_facet_string_ids) = facet_field_ids_delta.modified_facet_string_ids() {
let span = tracing::trace_span!(target: "indexing::facet_field_ids", "string");
let _entered = span.enter();
FacetsUpdateBulk::new_not_updating_level_0(
index,
modified_facet_string_ids,
FacetType::String,
)
.execute(wtxn)?;
}
if let Some(modified_facet_number_ids) = facet_field_ids_delta.modified_facet_number_ids() {
let span = tracing::trace_span!(target: "indexing::facet_field_ids", "number");
let _entered = span.enter();
FacetsUpdateBulk::new_not_updating_level_0(
index,
modified_facet_number_ids,
FacetType::Number,
)
.execute(wtxn)?;
}
Ok(())
}
/// TODO: GrenadParameters::default() should be removed in favor a passed parameter
/// TODO: manage the errors correctly
/// TODO: we must have a single trait that also gives the extractor type
#[allow(clippy::too_many_arguments)]
fn extract_and_send_docids<
'pl,
'fid,
'indexer,
'index,
DC: DocumentChanges<'pl>,
E: DocidsExtractor,
D: MergerOperationType,
MSP,
SP,
>(
grenad_parameters: GrenadParameters,
document_changes: &DC,
indexing_context: IndexingContext<'fid, 'indexer, 'index, MSP, SP>,
extractor_allocs: &mut ThreadLocal<FullySend<RefCell<Bump>>>,
sender: &ExtractorSender,
finished_steps: u16,
total_steps: u16,
step_name: &'static str,
) -> Result<()>
where
MSP: Fn() -> bool + Sync,
SP: Fn(Progress) + Sync,
{
let merger = E::run_extraction(
grenad_parameters,
document_changes,
indexing_context,
extractor_allocs,
finished_steps,
total_steps,
step_name,
)?;
sender.send_searchable::<D>(merger).unwrap();
Ok(())
}
/// Returns the primary key that has already been set for this index or the
/// one we will guess by searching for the first key that contains "id" as a substring,
/// and whether the primary key changed
/// TODO move this elsewhere
pub fn retrieve_or_guess_primary_key<'a>(
rtxn: &'a RoTxn<'a>,
index: &Index,
new_fields_ids_map: &mut FieldsIdsMap,
primary_key_from_op: Option<&'a str>,
first_document: Option<&'a TopLevelMap<'a>>,
) -> Result<StdResult<(PrimaryKey<'a>, bool), UserError>> {
// make sure that we have a declared primary key, either fetching it from the index or attempting to guess it.
// do we have an existing declared primary key?
let (primary_key, has_changed) = if let Some(primary_key_from_db) = index.primary_key(rtxn)? {
// did we request a primary key in the operation?
match primary_key_from_op {
// we did, and it is different from the DB one
Some(primary_key_from_op) if primary_key_from_op != primary_key_from_db => {
// is the index empty?
if index.number_of_documents(rtxn)? == 0 {
// change primary key
(primary_key_from_op, true)
} else {
return Ok(Err(UserError::PrimaryKeyCannotBeChanged(
primary_key_from_db.to_string(),
)));
}
}
_ => (primary_key_from_db, false),
}
} else {
// no primary key in the DB => let's set one
// did we request a primary key in the operation?
let primary_key = if let Some(primary_key_from_op) = primary_key_from_op {
// set primary key from operation
primary_key_from_op
} else {
// guess primary key
let first_document = match first_document {
Some(document) => document,
// previous indexer when no pk is set + we send an empty payload => index_primary_key_no_candidate_found
None => return Ok(Err(UserError::NoPrimaryKeyCandidateFound)),
};
let mut guesses: Vec<&str> = first_document
.keys()
.map(AsRef::as_ref)
.filter(|name| name.to_lowercase().ends_with(DEFAULT_PRIMARY_KEY))
.collect();
// sort the keys in lexicographical order, so that fields are always in the same order.
guesses.sort_unstable();
match guesses.as_slice() {
[] => return Ok(Err(UserError::NoPrimaryKeyCandidateFound)),
[name] => {
tracing::info!("Primary key was not specified in index. Inferred to '{name}'");
*name
}
multiple => {
return Ok(Err(UserError::MultiplePrimaryKeyCandidatesFound {
candidates: multiple
.iter()
.map(|candidate| candidate.to_string())
.collect(),
}))
}
}
};
(primary_key, true)
};
match PrimaryKey::new_or_insert(primary_key, new_fields_ids_map) {
Ok(primary_key) => Ok(Ok((primary_key, has_changed))),
Err(err) => Ok(Err(err)),
}
}
fn request_threads() -> &'static ThreadPoolNoAbort {
static REQUEST_THREADS: OnceLock<ThreadPoolNoAbort> = OnceLock::new();
REQUEST_THREADS.get_or_init(|| {
ThreadPoolNoAbortBuilder::new()
.num_threads(crate::vector::REQUEST_PARALLELISM)
.thread_name(|index| format!("embedding-request-{index}"))
.build()
.unwrap()
})
}