MaGe Linux Operations
MaGe Linux Operations
Apr 23, 2026 · Databases

How to Diagnose and Optimize MySQL Slow Queries Beyond Adding Indexes

This guide walks through a systematic approach to identify, analyze, and fix MySQL slow queries by enabling the slow‑query log, interpreting its format, using tools like mysqldumpslow and pt‑query‑digest, examining execution plans with EXPLAIN, designing proper indexes, rewriting SQL, tuning server parameters, and establishing continuous monitoring to prevent regressions.

EXPLAINIndex OptimizationMySQL
0 likes · 34 min read
How to Diagnose and Optimize MySQL Slow Queries Beyond Adding Indexes
MaGe Linux Operations
MaGe Linux Operations
Apr 1, 2015 · Databases

Master MySQL Slow Query Log: Enable, Analyze, and Choose the Best Tools

This guide explains how to enable MySQL's slow query log, configure it in my.cnf, and compares five popular analysis tools—mysqldumpslow, mysqlsla, mysql-explain-slow-log, mysql-log-filter, and myprofi—detailing their features, output formats, and advantages to help you select the most suitable solution.

Database ToolsMySQLPerformance Analysis
0 likes · 5 min read
Master MySQL Slow Query Log: Enable, Analyze, and Choose the Best Tools