Memory usage on debian webserver keeps going up

Posted by Steven De Groote on Server Fault See other posts from Server Fault or by Steven De Groote
Published on 2011-06-28T22:59:23Z Indexed on 2011/06/29 0:23 UTC
Read the original article Hit count: 441

Filed under:

apache

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mysql

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php

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debian

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memory

my webserver is running apache 1.3.x for a PHP application, along with mysql on the same machine. Most of the time it runs fine, CPU usage still with nice margin, but somehow memory usage keeps growing throughout uptime.

While it looks like it is chunked from time to time, I've had moments my server going down because it's out of memory. Restarting apache or mysql only reduced memusage by 100M.

Attached is an overview of monthly memory usage. The 2 massive drops are server restarts after out-of-memory situations. http://imageshack.us/photo/my-images/51/memorymonth.png/

Any explanations for his behaviour or how I could solve this?

Thanks! Steven

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