On Mon, Apr 6, 2009 at 7:54 PM, Sean Conner <s...@conman.org> wrote:
> It was thus said that the Great Eric Covener once stated:
>> On Fri, Apr 3, 2009 at 10:08 AM, Adrian Marsh
>> <adrian.ma...@ubiquisys.com> wrote:
>> > Am trying MaxMemFree 30000    (30mb? - pure guess number).
>>
>> Far too large, it's per-thread. Try 1MB.
>
>  This triggered something I recently learned---what threading model are you
> using under Apache?  Pre-fork?  Or pthreads?  I ask because pthreads will
> allocate stack space for each thread, and the amount used is the default
> mount allocated per stack per process:
>
>        http://boston.conman.org/2007/11/05.1
>
>  Rather nasty shock when I found out.

The wasted stack space doesn't shows up as a high VSZ, but not RSS.

-- 
Eric Covener
cove...@gmail.com

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