https://dibi8.com/tags/performance/ Recent content in Performance on 免费白票 https://dibi8.com/og-default.png https://dibi8.com/og-default.png Hugo en-us Sat, 02 May 2026 10:00:00 +0800 https://dibi8.com/posts/reading-explain-analyze-in-postgres-without-getting-lost/ Sat, 02 May 2026 10:00:00 +0800 https://dibi8.com/posts/reading-explain-analyze-in-postgres-without-getting-lost/ EXPLAIN ANALYZE output looks intimidating until you know which three numbers actually matter. Here’s the order I read them in, and the patterns that point to specific bugs.