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Merge #5089

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5089: Improve error handling when writing into LMDB r=dureuill a=Kerollmops

This PR exposes two new internal error variants: `StoreDelete` and `StorePut`. So that the error messages are better when we fail at writing into LMDB.

Related to #5078

Co-authored-by: Clément Renault <clement@meilisearch.com>
This commit is contained in:
meili-bors[bot] 2024-11-25 16:19:41 +00:00 committed by GitHub
commit 5560452ef9
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3 changed files with 54 additions and 9 deletions
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4
crates/milli/src/error.rs
View File

@ -61,6 +61,10 @@ pub enum InternalError {
Serialization(#[from] SerializationError),
#[error(transparent)]
Store(#[from] MdbError),
#[error("Cannot delete {key:?} from database {database_name}: {error}")]
StoreDeletion { database_name: &'static str, key: Vec<u8>, error: heed::Error },
#[error("Cannot insert {key:?} and value with length {value_length} into database {database_name}: {error}")]
StorePut { database_name: &'static str, key: Vec<u8>, value_length: usize, error: heed::Error },
#[error(transparent)]
Utf8(#[from] str::Utf8Error),
#[error("An indexation process was explicitly aborted")]

33
crates/milli/src/update/new/channel.rs
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@ -11,7 +11,7 @@ use super::extract::FacetKind;
use super::StdResult;
use crate::heed_codec::facet::{FieldDocIdFacetF64Codec, FieldDocIdFacetStringCodec};
use crate::index::main_key::{GEO_FACETED_DOCUMENTS_IDS_KEY, GEO_RTREE_KEY};
use crate::index::IndexEmbeddingConfig;
use crate::index::{db_name, IndexEmbeddingConfig};
use crate::update::new::KvReaderFieldId;
use crate::vector::Embedding;
use crate::{DocumentId, Index};
@ -112,7 +112,7 @@ pub enum Database {
FacetIdIsNullDocids,
FacetIdIsEmptyDocids,
FacetIdExistsDocids,
FacetIdF64NumberDocids,
FacetIdF64Docids,
FacetIdStringDocids,
FieldIdDocidFacetStrings,
FieldIdDocidFacetF64s,
@ -133,18 +133,39 @@ impl Database {
Database::FacetIdIsNullDocids => index.facet_id_is_null_docids.remap_types(),
Database::FacetIdIsEmptyDocids => index.facet_id_is_empty_docids.remap_types(),
Database::FacetIdExistsDocids => index.facet_id_exists_docids.remap_types(),
Database::FacetIdF64NumberDocids => index.facet_id_f64_docids.remap_types(),
Database::FacetIdF64Docids => index.facet_id_f64_docids.remap_types(),
Database::FacetIdStringDocids => index.facet_id_string_docids.remap_types(),
Database::FieldIdDocidFacetStrings => index.field_id_docid_facet_strings.remap_types(),
Database::FieldIdDocidFacetF64s => index.field_id_docid_facet_f64s.remap_types(),
}
}
pub fn database_name(&self) -> &'static str {
match self {
Database::Main => db_name::MAIN,
Database::Documents => db_name::DOCUMENTS,
Database::ExternalDocumentsIds => db_name::EXTERNAL_DOCUMENTS_IDS,
Database::ExactWordDocids => db_name::EXACT_WORD_DOCIDS,
Database::WordDocids => db_name::WORD_DOCIDS,
Database::WordFidDocids => db_name::WORD_FIELD_ID_DOCIDS,
Database::WordPositionDocids => db_name::WORD_POSITION_DOCIDS,
Database::FidWordCountDocids => db_name::FIELD_ID_WORD_COUNT_DOCIDS,
Database::WordPairProximityDocids => db_name::WORD_PAIR_PROXIMITY_DOCIDS,
Database::FacetIdIsNullDocids => db_name::FACET_ID_IS_NULL_DOCIDS,
Database::FacetIdIsEmptyDocids => db_name::FACET_ID_IS_EMPTY_DOCIDS,
Database::FacetIdExistsDocids => db_name::FACET_ID_EXISTS_DOCIDS,
Database::FacetIdF64Docids => db_name::FACET_ID_F64_DOCIDS,
Database::FacetIdStringDocids => db_name::FACET_ID_STRING_DOCIDS,
Database::FieldIdDocidFacetStrings => db_name::FIELD_ID_DOCID_FACET_STRINGS,
Database::FieldIdDocidFacetF64s => db_name::FIELD_ID_DOCID_FACET_F64S,
}
}
}
impl From<FacetKind> for Database {
fn from(value: FacetKind) -> Self {
match value {
FacetKind::Number => Database::FacetIdF64NumberDocids,
FacetKind::Number => Database::FacetIdF64Docids,
FacetKind::String => Database::FacetIdStringDocids,
FacetKind::Null => Database::FacetIdIsNullDocids,
FacetKind::Empty => Database::FacetIdIsEmptyDocids,
@ -158,6 +179,10 @@ impl DbOperation {
self.database.database(index)
}
pub fn database_name(&self) -> &'static str {
self.database.database_name()
}
pub fn entry(self) -> EntryOperation {
self.entry
}

26
crates/milli/src/update/new/indexer/mod.rs
View File

@ -41,7 +41,7 @@ use crate::update::settings::InnerIndexSettings;
use crate::update::{FacetsUpdateBulk, GrenadParameters};
use crate::vector::{ArroyWrapper, EmbeddingConfigs, Embeddings};
use crate::{
FieldsIdsMap, GlobalFieldsIdsMap, Index, InternalError, Result, ThreadPoolNoAbort,
Error, FieldsIdsMap, GlobalFieldsIdsMap, Index, InternalError, Result, ThreadPoolNoAbort,
ThreadPoolNoAbortBuilder, UserError,
};
@ -356,13 +356,29 @@ where
match operation {
WriterOperation::DbOperation(db_operation) => {
let database = db_operation.database(index);
let database_name = db_operation.database_name();
match db_operation.entry() {
EntryOperation::Delete(e) => {
if !database.delete(wtxn, e.entry())? {
unreachable!("We tried to delete an unknown key")
EntryOperation::Delete(e) => match database.delete(wtxn, e.entry()) {
Ok(false) => unreachable!("We tried to delete an unknown key"),
Ok(_) => (),
Err(error) => {
return Err(Error::InternalError(InternalError::StoreDeletion {
database_name,
key: e.entry().to_owned(),
error,
}));
}
},
EntryOperation::Write(e) => {
if let Err(error) = database.put(wtxn, e.key(), e.value()) {
return Err(Error::InternalError(InternalError::StorePut {
database_name,
key: e.key().to_owned(),
value_length: e.value().len(),
error,
}));
}
}
EntryOperation::Write(e) => database.put(wtxn, e.key(), e.value())?,
}
}
WriterOperation::ArroyOperation(arroy_operation) => match arroy_operation {