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perf(table): search global index shards concurrently #589

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Merged
XiaoHongbo-Hope merged 1 commit into from
Jul 22, 2026
+260 −81
Merged

perf(table): search global index shards concurrently #589

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8 changes: 4 additions & 4 deletions crates/paimon/src/spec/core_options.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -578,10 +578,10 @@ impl<'a> CoreOptions<'a> {

/// Maximum number of concurrent tasks for global-index I/O, mirroring Java
/// `CoreOptions.GLOBAL_INDEX_THREAD_NUM` (key `global-index.thread-num`,
/// default 32). Used as the fan-out limit for the primary-key vector search
/// (per-bucket and per-exact-file). A value of `1` reproduces strict
/// sequential execution. A non-positive value is a misconfiguration and fails
/// loud rather than being silently clamped.
/// default 32). Used as the per-operation fan-out limit for sorted BTree and
/// bitmap shard reads and for primary-key vector search. A value of `1`
/// reproduces strict sequential execution. A non-positive value is a
/// misconfiguration and fails loud rather than being silently clamped.
pub fn global_index_thread_num(&self) -> crate::Result<usize> {
let value = self
.parse_i64_option(GLOBAL_INDEX_THREAD_NUM_OPTION)?
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2 changes: 2 additions & 0 deletions crates/paimon/src/table/btree_global_index_build_builder.rs
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Expand Up @@ -1231,6 +1231,7 @@ mod tests {
predicates: &[predicate],
schema_fields: table.schema().fields(),
search_mode: GlobalIndexSearchMode::Fast,
global_index_thread_num: 32,
btree_fallback_scan_max_size: i64::MAX,
bitmap_fallback_scan_max_size: i64::MAX,
next_row_id: snapshot.next_row_id(),
Expand Down Expand Up @@ -1332,6 +1333,7 @@ mod tests {
predicates: &[predicate],
schema_fields: table.schema().fields(),
search_mode: GlobalIndexSearchMode::Fast,
global_index_thread_num: 32,
btree_fallback_scan_max_size: i64::MAX,
bitmap_fallback_scan_max_size: i64::MAX,
next_row_id: snapshot.next_row_id(),
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