How Small Postgres Metadata Tables Quietly Throttle Your Largest Queries

· Timescale · June 29, 2026, 3 p.m.
postgresql PostgreSQL Performance Postgres Query Optimization Database performance EXPLAIN Command
Summary
This post discusses how outdated statistics on small Postgres metadata tables can negatively impact large queries. It emphasizes the use of the EXPLAIN command to identify and address these performance issues without the need for schema migrations.
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