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When queries run for a long time, they can overload the database, increase CPU usage, and hold onto connections, slowing down your application. The priority is to quickly identify and stop these queries, then optimize them afterward. In this guide, we’ll cover how to detect and terminate long-running queries in PostgreSQL, helping you prevent bottlenecks and outages. Step 1: Identify Long-Running Queries PostgreSQL provides a system view called pg_stat_activity to help identify running queries....