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Scan 2000 more tuples with default work_mem

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Andrew Kane
2024-10-27 22:23:28 -07:00
parent b163b5b196
commit 04d5e934a1
1 changed files with 3 additions and 2 deletions
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5
src/hnswscan.c
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@@ -137,10 +137,11 @@ hnswbeginscan(Relation index, int nkeys, int norderbys)
*/ */
so->tmpCtx = AllocSetContextCreate(CurrentMemoryContext, so->tmpCtx = AllocSetContextCreate(CurrentMemoryContext,
"Hnsw scan temporary context", "Hnsw scan temporary context",
0, 8 * 1024, 512 * 1024); 0, 8 * 1024, 256 * 1024);
/* Calculate max memory */ /* Calculate max memory */
maxMemory = (double) work_mem * hnsw_scan_mem_multiplier * 1024.0; /* Add 256 extra bytes to fill last block when close */
maxMemory = (double) work_mem * hnsw_scan_mem_multiplier * 1024.0 + 256;
so->maxMemory = Min(maxMemory, (double) SIZE_MAX); so->maxMemory = Min(maxMemory, (double) SIZE_MAX);
scan->opaque = so; scan->opaque = so;