Using pg_stat_statements for Query profiling and performance tuning

Database performance problems are often mysterious. Queries slow down, CPU usage spikes, or users complain about latency, but pinpointing the cause requires visibility into what your database is actually doing. pg_stat_statements is PostgreSQL&rsquo;s answer to this challenge. pg_stat_statements is an extension that tracks execution statistics for every normalized (fingerprinted) SQL statement.…