PostgreSQL Query Tuning

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PostgreSQL Autovacuum Internals & Tuning Guide

At default settings, a 1 TB PostgreSQL table accumulates up to 200 GB of dead rows before autovacuum triggers. Learn how autovacuum's cost model works and how to tune it for production databases.

PostgreSQL Running Slow? A Step-by-Step Diagnostic Guide

Your PostgreSQL database is slow and you don't know why. This guide walks through a systematic diagnosis process — slow queries, EXPLAIN analysis, index auditing, and autovacuum.