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From "SEGOUFFIN, Pascal" <>
Subject RE : Re[2]: [users@httpd] Strange P roblem
Date Mon, 28 Mar 2005 18:43:27 GMT
I had the same kind of symptoms, it happened to me within some times going from several minutes
to  several hours. At first the web server seems to stabilize i mean after some dozen of minutes
and a strong load the memory free keeps to 10 MB left and average load around 0.05 to 0.1.
Then suddenly some of the http process starts to consume high cpu load and the systems starts
to swap. At that time of course all is very slow and almost impossible to use shell commands.
This ends in 2 possiblities, either the kernel manages to kill the httpd process after some
long mins or i have to reboot the systems.
I have nothing in the apache log, and just the out of memory error from the kernel in the
system log.
I m not using php nor any database access, and server only statics files and shntl files.
Only special directives used are expires ones. All the files are served from an nfs mount
(wich is probably one of the bigest part of the cached memory). We use as well a dozen of
virutal host, each with lot of aliases for friendly urls.
I tried to recompile apache with minimal modules and with different models of threading with
the exact same problem.
I didnt had the maxfiles messages too in the log and i tried to limit the number of requests
served by each process with the same results.
This is wy i finaly tried apache 1.3.33. It is runnning now perfectly without any problems
and handle very strong loads,. The memory is kept by the system at the same valor around minimum
of 10 MB free.
If anyone have an idea too for apache 2 i ll take the advices with pleasure.
-------- Message d'origine-------- 
De: [] 
Date: lun. 28/03/2005 19:27 
Objet: RE: Re[2]: [users@httpd] Strange Problem

	> On Mon, 28 Mar 2005 20:05:53 +0300, John <> wrote:
	> > Couldn't it be a configuration limit in the httpd.conf ? (Such as
	> > maxconnection, etc)
	> Not likely.  His symptoms indicate spinning processes using lots of CPU.
	> Joshua.
	It's probably isolated to the php, or a database function that is
	looping... Should be simple to debug. I agree that it is probably not
	related to apache, at least in my experience.
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