Proper MySQL Query Optimization starts with a proper Slow Query Logging session. And MySQL Query Optimization is where I spend 70-80% of my time when doing MySQL performance optimization. In this short series I will show you how to do Slow Query Logging the right way.

Here’s links to the other two parts:

• Advanced MySQL Slow Query Logging Part 2: pt-query-digest report
• Advanced MySQL Slow Query Logging Part 3: fine-tuning the logging process