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From "KLEIN St├ęphane" <klein.steph...@gmail.com>
Subject Re: [users@httpd] Apache access issue on high "traffic" web site
Date Mon, 02 Oct 2006 15:18:58 GMT
2006/10/2, Joshua Slive <joshua@slive.ca>:
> On 10/2/06, KLEIN St├ęphane <klein.stephane@gmail.com> wrote:
> > Hello
> >
> > I've high "traffic" web site. I've access issue.
> >
> > I use Apache version 2 on Debian.
> >
> > This is my prefork configuration :
> >
> > <IfModule prefork.c>
> > StartServers        10
> > MinSpareServers      5
> > MaxSpareServers     10
> > MaxClients          250
> > MaxRequestsPerChild  0
> > </IfModule>
> >
> > I've set MaxClient on 250, then I think than my Apache server can
> > process 250 request at same time.
> >
> > This is my "top" result :
>
>
> > As you can see, I've many apache 2 process which running but number is
> > less than 250.
> >
> > My cpu level is always around 15% and I use very few swap memory.
> >
> > My network traffic is low.
> >
> > I've make some test with simple html file without script and I've same issue.
> >
> > All pages are fetch in one or ten minutes !
> >
> > Someone are one idea about my issue ?
>
> Just because you don't see 250 processes at the top of the top display
> doesn't mean they aren't all actively serving requests.  See the
> server-status handler provided by mod_status to find out what your
> processes are up to.  They could be waiting on some back-end resource
> (disk, database, etc), or they could be waiting on keepalive
> connections.  In the latter case, try lowering the KeepAliveTimeout in
> httpd.conf.

Thanks for your help, it was KeepAliveTimeout value ! It was 15, now I
set it on 1 second and all work fine.

Thanks for server-status tips :)

Regards,
Stephane

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