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Use the sorter cache when extracting the facet string docids

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This commit is contained in:
Clément Renault 2024-07-17 16:45:15 +02:00
parent 54e2e2aa4a
commit 02fff51902
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GPG Key ID: F250A4C4E3AE5F5F
1 changed files with 22 additions and 10 deletions
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32
milli/src/update/index_documents/extract/extract_facet_string_docids.rs
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@ -2,6 +2,7 @@ use std::collections::BTreeSet;
use std::fs::File;
use std::io::BufReader;
use std::iter::FromIterator;
use std::num::NonZeroUsize;
use std::{io, str};
use charabia::normalizer::{Normalize, NormalizerOption};
@ -9,13 +10,16 @@ use heed::types::SerdeJson;
use heed::BytesEncode;
use super::helpers::{create_sorter, sorter_into_reader, try_split_array_at, GrenadParameters};
use super::REDIS_CLIENT;
use crate::heed_codec::facet::{FacetGroupKey, FacetGroupKeyCodec};
use crate::heed_codec::{BEU16StrCodec, StrRefCodec};
use crate::update::del_add::{DelAdd, KvReaderDelAdd, KvWriterDelAdd};
use crate::update::index_documents::cache::SorterCacheDelAddCboRoaringBitmap;
use crate::update::index_documents::helpers::{
merge_deladd_btreeset_string, merge_deladd_cbo_roaring_bitmaps,
};
use crate::update::settings::InnerIndexSettingsDiff;
use crate::update::MergeFn;
use crate::{FieldId, Result, MAX_FACET_VALUE_LENGTH};
/// Extracts the facet string and the documents ids where this facet string appear.
@ -28,11 +32,11 @@ pub fn extract_facet_string_docids<R: io::Read + io::Seek>(
indexer: GrenadParameters,
_settings_diff: &InnerIndexSettingsDiff,
) -> Result<(grenad::Reader<BufReader<File>>, grenad::Reader<BufReader<File>>)> {
let mut conn = super::REDIS_CLIENT.get_connection().unwrap();
let mut conn = REDIS_CLIENT.get_connection().unwrap();
let max_memory = indexer.max_memory_by_thread();
let options = NormalizerOption { lossy: true, ..Default::default() };
let mut facet_string_docids_sorter = create_sorter(
let facet_string_docids_sorter = create_sorter(
grenad::SortAlgorithm::Stable,
merge_deladd_cbo_roaring_bitmaps,
indexer.chunk_compression_type,
@ -40,6 +44,12 @@ pub fn extract_facet_string_docids<R: io::Read + io::Seek>(
indexer.max_nb_chunks,
max_memory.map(|m| m / 2),
);
let mut cached_facet_string_docids_sorter =
SorterCacheDelAddCboRoaringBitmap::<20, MergeFn>::new(
NonZeroUsize::new(200).unwrap(),
facet_string_docids_sorter,
REDIS_CLIENT.get_connection().unwrap(),
);
let mut normalized_facet_string_docids_sorter = create_sorter(
grenad::SortAlgorithm::Stable,
@ -101,17 +111,19 @@ pub fn extract_facet_string_docids<R: io::Read + io::Seek>(
let key = FacetGroupKey { field_id, level: 0, left_bound: normalized_value };
let key_bytes = FacetGroupKeyCodec::<StrRefCodec>::bytes_encode(&key).unwrap();
buffer.clear();
let mut obkv = KvWriterDelAdd::new(&mut buffer);
for (deladd_key, _) in deladd_reader.iter() {
obkv.insert(deladd_key, document_id.to_ne_bytes())?;
match deladd_key {
DelAdd::Deletion => {
cached_facet_string_docids_sorter.insert_del_u32(&key_bytes, document_id)?
}
DelAdd::Addition => {
cached_facet_string_docids_sorter.insert_add_u32(&key_bytes, document_id)?
}
}
}
obkv.finish()?;
redis::cmd("INCR").arg(key_bytes.as_ref()).query::<usize>(&mut conn).unwrap();
facet_string_docids_sorter.insert(&key_bytes, &buffer)?;
}
let normalized = sorter_into_reader(normalized_facet_string_docids_sorter, indexer)?;
sorter_into_reader(facet_string_docids_sorter, indexer).map(|s| (s, normalized))
sorter_into_reader(cached_facet_string_docids_sorter.into_sorter()?, indexer)
.map(|s| (s, normalized))
}