by Pratik Kumar Saha | Dec 18, 2025 | Blog, PostgreSQL
Summary The pg_stat_statements extension is the definitive tool for PostgreSQL observability, enabling database administrators to pinpoint performance bottlenecks by aggregating detailed execution statistics—such as CPU usage, I/O latency, and query frequency—for...
by Pratik Kumar Saha | Nov 25, 2025 | Blog, Database, PostgreSQL
SUMMARY: Database administrators must regularly execute the PostgreSQL ANALYZE command to collect essential table statistics, enabling the query planner to determine the most efficient execution paths for complex database queries. The ANALYZE command scans a...
by Pratik Kumar Saha | Nov 20, 2025 | Blog, Database, PostgreSQL
SUMMARY: PostgreSQL database administrators must avoid using the VACUUM FULL command in live environments because its exclusive locking mechanism causes unacceptable service downtime, necessitating the use of safer alternatives like the pg_repack extension or a...
by Pratik Kumar Saha | Nov 19, 2025 | Blog, PostgreSQL
SUMMARY: The PostgreSQL “system ID mismatch” error, which acts as a fundamental safeguard to ensure data integrity, commonly arises when restoring backups across disparate environments using tools such as pgBackRest or Patroni, requiring precise cleanup of...
