Tag Archives: XDebug

Diagnosing MySQL Performance Bottlenecks With Maatkit

Posted on March 5, 2011 by Sean

Hello again! Last time we looked at optimizing performance of web apps, we were checking out how to diagnose PHP performance bottlenecks using XDebug to generate valgrind-style logs of what PHP was doing. While that can be immensely useful in … Continue reading →

Posted in Linux, php | Tagged InnoDB, maatkit, MyISAM, mySQL, performance, PHP, XDebug | Leave a comment

Diagnosing slow PHP execution with Xdebug and KCachegrind

Posted on January 29, 2011 by Sean

Tracking down a performance issue to the actual PHP app can be hard enough by itself, but what do you do once you’re sure that the app itself is the bottleneck? The excellent Xdebug extension has many useful features for … Continue reading →

Posted in php | Tagged application profiling, cachegrind, date_default_timezone_get, fix PHP slow, KCachegrind, PHP, PHP faster, PHP performance, PHP profiling, PHP script slow, PHP slow, PHP slow script, PHP speed, PHP timing, valgrind, XDebug | 1 Comment

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Tag Archives: XDebug

Diagnosing MySQL Performance Bottlenecks With Maatkit

Diagnosing slow PHP execution with Xdebug and KCachegrind

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