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Reduced memory usage for small tables for IVFFlat index builds - resolves #995 and resolves #996

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Co-authored-by: Itai Spiegel <itai@mave.com>
This commit is contained in:
Andrew Kane
2026-07-01 11:54:21 -07:00
parent 1d458ad5d7
commit b383e4d191
4 changed files with 54 additions and 0 deletions
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19
test/sql/ivfflat_vector.sql
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@@ -97,3 +97,22 @@ SET ivfflat.max_probes = 0;
SET ivfflat.max_probes = 32769;
DROP TABLE t;
-- memory
CREATE TABLE t (val vector(2000));
CREATE INDEX ON t USING ivfflat (val vector_l2_ops) WITH (lists = 4096);
DROP TABLE t;
SET maintenance_work_mem = '1MB';
CREATE TABLE t (val vector(2000));
CREATE INDEX ON t USING ivfflat (val vector_l2_ops);
DROP TABLE t;
RESET maintenance_work_mem;
SET maintenance_work_mem = '5MB';
CREATE TABLE t (val vector(2000));
INSERT INTO t (val) VALUES (array_fill(0, ARRAY[2000]));
CREATE INDEX ON t USING ivfflat (val vector_l2_ops);
DROP TABLE t;
RESET maintenance_work_mem;