Dev Tools · 2h ago
How to Cut pgvector Query Time from 800ms to 15ms
A developer optimized pgvector performance by switching from IVFFlat to HNSW index, reducing query time from 800ms to 15ms. The HNSW index maintains constant query time as data grows, unlike IVFFlat. The post details additional tuning steps for production-scale vector search.
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The article offers practical, battle-tested advice for developers scaling pgvector, but the 15ms result may vary with hardware and data distribution.
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Vibe-Memory Part 3: pgvector Performance Optimization - How I Cut Query Time From 800ms to 15ms →
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