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Added guidance on lists [skip ci]

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Andrew Kane
2021-10-13 14:27:01 -07:00
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@@ -99,6 +99,8 @@ Specify the number of inverted lists (100 by default)
CREATE INDEX ON table USING ivfflat (column opclass) WITH (lists = 100); CREATE INDEX ON table USING ivfflat (column opclass) WITH (lists = 100);
``` ```
A [good place](https://github.com/facebookresearch/faiss/issues/112) to start is `4 * sqrt(rows)`
### Query Options ### Query Options
Specify the number of probes (1 by default) Specify the number of probes (1 by default)