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 Topic: memory of the Apache process increase |
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reidak
Joined: 07 Jul 2006
Posts: 12
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 Posted: Fri 07 Jul '06 11:29 Post subject: memory of the Apache process increase |
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Hi all,
I updated from Apache 2.0.50 to Apache 2.2.2 on Windows 2000 server SP4 and php 4.4.2.
The system runs since two days and the memory of the Apache process had increased from 20 MB to 170 MB until now.
Is this normal?
--- part of httpd.conf ---
ThreadsPerChild 250
MaxRequestsPerChild 0
EnableMMAP off
EnableSendfile off
Win32DisableAcceptEx
--------------------------
Thanks,
reidak |
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Steffen
Moderator
Joined: 15 Oct 2005
Posts: 3092
Location: Hilversum, NL, EU
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| Posted: Fri 07 Jul '06 11:35 Post subject: |
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Looks not that much for me.
We are running with 2Gb memory and when Apache starts it consumes about 20 Mb and it grows in time to about 280 Mb and stays on that value.
Special php is allocating memory in time, it is wellknown that php leaking some.
Steffen |
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Jorge
Joined: 12 Mar 2006
Posts: 376
Location: Belgium
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| Posted: Sat 08 Jul '06 14:36 Post subject: |
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| Steffen wrote: | Looks not that much for me.
We are running with 2Gb memory and when Apache starts it consumes about 20 Mb and it grows in time to about 280 Mb and stays on that value.
Special php is allocating memory in time, it is wellknown that php leaking some.
Steffen |
This is the down side of MPM_WINNT, it only has a parent and a child process.
On some UNIX mpm's the child process get killed afther xx request and a new one is spawned freeing the lost memory... on windows this operation is to expensive.
Something simular can be accieved by setting:
MaxRequestsPerChild 250
or asome other value having it on 250 should make the child die and a new one to spawn once every thread 250 aswel) have served one request. settings it to 500 or 1000 should be better i think but i haven't played with this mutch since it will hurt the server's preformance a bit once the child dies and is recreated |
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