On-disk HNSW index for Postgres with pg_embedding

T1Covered by 1 source · first reported by Databricks / ClickHouse / DuckDB / Supabase / Neon / PlanetScale at 03 Aug 2023, 16:00 UTC

A few weeks back, we released pg_embedding, a new extension for Postgres and LangChain which introduced Hierarchical Navigable Small Worlds (HNSW) indexes for vector similarity search. This new indexing method resulted in 20x faster queries at a 99% accuracy compared to tradition...