Vol. INo. 4

A weekly digest of Web, Mobile, Backend & AI engineering

Tag

#pgvector

Engraving of a round fine-mesh sieve with a handle, stretched across a web of knotted threads and connected nodes.

Filtered vector search: where pgvector breaks and what to doOn 100,000 vectors, a 1% filter returned 0.33 of 10 requested rows from pgvector's defaults. The Postgres planner, not the index, decides when that happens.Oct 3, 2026