The SitePoint PHP blog has posted the first two parts of their "Optimizing MySQL" tutorial series by Peter Nijssen. The first looks at general tips around indexes and the second shows some configuration tips to get the most from your database systems.
MySQL is one of the most used databases in conjunction with PHP. Making sure that your MySQL databases are running at their best is one of the most important aspects you have to consider whenever your web application grows. In this series of 3 standalone articles, we will have a look at how we can optimize our MySQL installation. We will take a look at which optimizations we can perform on our database, on our MySQL configuration and how we can find potential problems when MySQL is not performing well.
The first tutorial walks you through a brief introduction to indexes, shows you how to find duplicates and unused indexes that might be hanging around. The second post deals with the configuration topics using the Percona pt-variable-advisor. They also make use of the MySQLTuner tool for even further enhancement. Finally, the article finishes with a look at cross-server configuration comparison and how to see the differences.
Link: http://www.sitepoint.com/series/optimizing-mysql/
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