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Commit04d5e93

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Scan 2000 more tuples with default work_mem
1 parentb163b5b commit04d5e93

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‎src/hnswscan.c

Lines changed: 3 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -137,10 +137,11 @@ hnswbeginscan(Relation index, int nkeys, int norderbys)
137137
*/
138138
so->tmpCtx=AllocSetContextCreate(CurrentMemoryContext,
139139
"Hnsw scan temporary context",
140-
0,8*1024,512*1024);
140+
0,8*1024,256*1024);
141141

142142
/* Calculate max memory */
143-
maxMemory= (double)work_mem*hnsw_scan_mem_multiplier*1024.0;
143+
/* Add 256 extra bytes to fill last block when close */
144+
maxMemory= (double)work_mem*hnsw_scan_mem_multiplier*1024.0+256;
144145
so->maxMemory=Min(maxMemory, (double)SIZE_MAX);
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146147
scan->opaque=so;

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