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Old 02-07-2007, 06:44 PM   #1
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Talking Discussion: Apache Worker MPM with PHP

Apache Worker MPM with PHP
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Apache has two MPM modules that are in broad use - the Worker MPM and the Pre-fork MPM. PHP.net recommends that you use the Pre-fork MPM, while most site optimization experts would push you to utilize the threaded Worker MPM. Surprisingly, load testing showed a relatively small performance difference - and certainly not one that would push you towards a non-recommended implementation on your server.
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Last edited by MT Integration : 08-16-2007 at 02:45 AM. Reason: Update to original article
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Old 04-26-2007, 02:38 AM   #2
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Smile Re: Discussion: Apache Worker MPM with PHP

Hi Steve, Is this working on amd64? Thx. Dean
 
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Old 05-17-2007, 10:31 AM   #3
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Default Re: Discussion: Apache Worker MPM with PHP

You know... I have know idea. I don't have a single 64 bit machine at my disposal. I did find, however, that pre-fork MPM didn't show nearly the disparity in performance that we are all led to believe vs. the worker MPM. You have a larger footprint per server process vs. threads, but if you aren't running mod_perl, memory usage for pre-fork isn't that large.
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