PostgreSQL Enterprise & Performance
5-8 Years (Senior)
Medium
Production Scenario
How does `pg_stat_statements` identify the most resource-intensive SQL queries across your entire database cluster?
Real-World Scenario / Incident Description
Identifying top 5 slowest queries across 1,000 requests/sec without enabling heavy slow query logging.
715 views
•
Updated 1 month ago
Querying pg_stat_statements
SELECT query, calls, total_exec_time / 1000 as total_seconds,
mean_exec_time, rows
FROM pg_stat_statements
ORDER BY total_exec_time DESC
LIMIT 5;
Provides normalized query text, execution counts, and total CPU time consumed.
Related Concepts:
#pg_stat_statements
#Monitoring
#Query Profiling
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