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Antony Dovgal's Blog:
locating memory hungry code with memtrack
January 28, 2009 @ 11:19:18

Sometimes finding that one spot in your code that's geting bloated and consuming at majority of your memory can be a bit difficult. Antony Dovgal has proposed one solution in a new post to his blog - the memtrack extension for from PECL.

We needed to locate where most of the memory is allocated in our scripts (as some of them became too memory hungry), so I've created memtrack extension. This extension helps us to see unusually big memory allocations in production code.

The extension logs memory usage information out to the standard error log file (however that'd defined on your system) and comes with a few configuration options. These let you control things like a "soft limit" at which to report the usage problems, the ability to ignore certain functions that you might know will cause a high load and and "vm_limit" setting that can help if your script is leaking memory at the end of its run.

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