Tiger Data releases pg_vectorsearch alpha for PostgreSQL

Tiger Data has released pg_vectorsearch in alpha, an open-source PostgreSQL extension featuring a PRISM index designed to improve vector search scalability. The extension uses data partitioning and compression to reduce memory requirements and build times compared to HNSW indexes. While initial technical reception is positive, practitioners note limitations such as the lack of support for filtered searches and incomplete incremental rebalancing. Open article →