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High Performance Drupal
book

High Performance Drupal

by Jeff Sheltren, Narayan Newton, Nathaniel Catchpole
October 2013
Intermediate to advanced content levelIntermediate to advanced
261 pages
7h 4m
English
O'Reilly Media, Inc.
Content preview from High Performance Drupal

Chapter 14. Tools for Managing and Monitoring MySQL

The last few years have been tremendously exciting when it comes to third-party tools for MySQL. We have gone from a few little tools here and there to professionally maintained packages of tools, with many of the utilities in these packages solving issues that have been problematic for MySQL DBAs for a very long time. We will be covering a few of our favorite packages in this chapter. We will not be covering any commercial (for-pay) utilities. There are many great ones, of course, but we will limit this chapter to either open source or “free as in beer” utilities.

Percona Toolkit

The Percona Toolkit actually used to be called Maatkit, before its adventures in rebranding. It was a must-have toolkit before the rename and has only gotten more so since. It contains over 30 tools, varying from hugely complicated and impactful utilities to glorified output reformatters. Some of the most important tools include:

pt-query-digest
There once was a tool called mysqlsla, which basically everyone used to read the MySQL slow query log and output reports showing the top slow queries in the log. This was very useful, but mysqlsla didn’t really progress much. pt-query-digest is a replacement that allows for running EXPLAINs automatically, monitoring process lists, and even generating ASCII graphs. Is it an overengineered tool for its purpose? Probably. Is it awesome enough that we don’t care about that? Absolutely.
pt-table-checksum
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Publisher Resources

ISBN: 9781449358013Errata PageSupplemental Content