Your PostgreSQL is sick silently. A dozen queries to see it

▤ Summary

This article gives PostgreSQL users a practical set of SQL checks to spot common database health problems before they become outages. It walks through how to detect table bloat, slow queries, sequential scans, unused indexes, long-running transactions, blocking sessions, and cache hit ratio issues. It also explains how to use system views such as pg_stat_user_tables, pg_stat_statements, and pg_stat_activity to find bottlenecks. The piece closes by pointing to a PostgreSQL health-screen product that packages these checks into a simpler workflow.

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