PostgreSQL Is Not Slow. Your Queries Are
PostgreSQL isn’t slow, your queries are. Learn the 7 real causes of slow database performance, from missing indexes and N+1 queries to lock contention and connection overload, with practical fixes.
Opening excerpt (first ~120 words) tap to expand
April 29, 2026By Shridhar KhanalBlog, Service Health Check, Service Performance optimization, Shridhar's Planet PostgreSQL PostgreSQL is Not Slow. Your Queries Are. A field guide to the seven things that are actually making our database feel slow and how to stop blaming the wrong suspect.It usually starts with a Slack message: “The app feels slow”. This is normally followed by a ticket, then an internal meeting, and finally someone, and there is always someone, saying: “I think we need to switch databases. PostgreSQL can’t handle this load.”We have heard this exact sentence more times than we can count and almost every single time, after we dig in, PostgreSQL is doing exactly what it was asked to do. Diligently. Faithfully. Scanning millions of rows because nobody told it not to.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Stormatics.