Fujitsu PostgreSQL blog

5 PostgreSQL performance bottlenecks every DBA should know in 2026

Written by Rajni Baliyan | July 7, 2026

PostgreSQL continues to be trusted for some of the world’s most demanding applications, but even mature database environments can face performance issues as workloads grow in scale and complexity.

For DBAs, knowing where problems typically begin is the first step toward preventing slowdowns, outages, and unexpected operational risk.