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PostgreSQL extension for BM25 relevance-ranked full-text search. Postgres OSS licensed.

3,783 starsC

How This Graybeard Built the Fastest and Freest Postgres BM25 Search

by tjgreen·Mar 31, 2026·203 points·56 comments

AI Analysis

●●●BangerBig BrainSolve My Problem

Native Postgres BM25 with ORDER BY content <@> 'query' operator syntax.

Strengths
  • Block-Max WAND optimization enables fast top-k queries on large datasets
  • 3.2k stars and v1.0.0 production-ready status with pre-built binaries
  • Parallel index builds and partitioned table support for scalability
Weaknesses
  • Only supports PostgreSQL 17 and 18, excluding older deployments
  • Requires shared_preload_libraries configuration and server restart
Category
Target Audience

PostgreSQL developers needing native full-text search

Similar To

pg_search (ParadeDB) · Elasticsearch · Meilisearch

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