Performance Monitoring

Monitor Last VACUUM Runs with pg_stat_user_tables A table's dead tuple count climbing while last_autovacuum stays weeks old isn't noise — it's the clearest sign autovacuum is falling behind, and pg_stat_user_tables is where that gap becomes visible in a single query, without tailing logs or guessing at a schedule. …

Monitor PostgreSQL ANALYZE Progress with pg_stat_progress_analyze Running ANALYZE on a multi-hundred-gigabyte table and wondering whether it is halfway done or barely started is a common operational question with, until recently, no good answer. pg_stat_progress_analyze answers it: a live view that reports the current …

PostgreSQL: Identify Slow Running Queries in Real-Time Purpose This PostgreSQL SQL query provides a real-time snapshot of queries currently executing on your database that have been running for more than 30 seconds. It acts as a powerful alternative to a traditional slow query log, helping you proactively identify and …

PostgreSQL Performance Tuning: Analyze Cache Hit Ratio with pg_stat_statements Purpose This PostgreSQL query empowers you to gain critical insights into the efficiency of your query workload by measuring the cache hit ratio from the pg_stat_statements extension. Cache hit ratio is a crucial metric for evaluating how …

PostgreSQL Performance Diagnostics: Analyze Query Times with pg_stat_statements Purpose This PostgreSQL SQL query utilizes the power of the pg_stat_statements extension to provide you with essential insights into query performance. It retrieves crucial metrics like total execution time, average execution time, minimum …