Wait Events
Monitor PostgreSQL Wait Events Using pg_stat_activity
May 17, 2026 / · 3 min read · pg_stat_activity wait events performance monitoring session monitoring administration ·Understanding PostgreSQL Wait Events for Performance Analysis Every active PostgreSQL backend is either executing work or waiting. When a session waits, PostgreSQL records the reason in pg_stat_activity using two columns: wait_event_type and wait_event. Aggregating these across all sessions gives a clear picture of …
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