Commenting on Monitoring Per-Process Memory Usage with Munin
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- Note that a normal UNIX process will not return free'ed memory back to the system. It will simply reuse it itself. That means that as a process runs, your PHP processes included, the amount of memory taken by that process is equal to the most memory any script needed to allocate, and it won't shrink back down until the process exits. So you will always see the memory usage graph either going up or staying flat. Hopefully in a stable system it will flatten out at some point. But people often mistake this upward trend for a memory leak. Not sure this is what is happening here, but it is something to keep in mind.
Anonymous
Sun, 27/9/09 – 4:42am
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