Distributed MySQL Sleuthing on the Wire

Intro Oftentimes you need to know what MySQL is doing right now and furthermore if you are handling heavy traffic you probably have multiple instances of it running across many nodes. I’m going to start by showing how to take a tcpdump capture on one node, a few ways to analyze that, and then go into how to take a distributed capture across many nodes for aggregate analysis. Taking the Capture The first thing you need to do is to take a capture of the interesting packets. [Read More]