Re: apache in worker mode eats memory
From: Mark Bojara (mark_at_aboutit.co.za)
Date: 04/28/05
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To: Andrew McNaughton <andrew@scoop.co.nz> Date: Thu, 28 Apr 2005 19:09:00 +0200 (SAST)
what options would you advise i tweak?
On Apr 28, 2005 11:35 AM, Andrew McNaughton <andrew@scoop.co.nz> wrote:
>
> If apache is allowed to spawn enough processes to run you out of memory,
> you are going to have problems. Work on your apache config and process
> limits to make sure this can't happen.
>
> If you consume enough memory to start paging, the time it takes for a
> request to be handled climbs, more processes mount up, you consume more
> memory, and the system goes down badly. Limiting how much you try to
> handle at once enables you to handle more.
>
> If your server processes have a large memory footprint, using a proxy in
> front of your web server to handle spooling requests to users might help a
> lot. Caching is not necessarily part of that picture, but that might also
> help save you from using large apache processes to serve simple requests.
>
> Andrew McNaughton
>
>
>
> On Thu, 28 Apr 2005, Mark Bojara wrote:
>
> > Date: Thu, 28 Apr 2005 11:15:09 +0200 (SAST)
> > From: Mark Bojara <mark@aboutit.co.za>
> > To: freebsd-isp@freebsd.org
> > Subject: apache in worker mode eats memory
> >
> > Hi All
> >
> > Im running Apache 2.0.53 server on 5.4-RC3 AMD64 in Worker mode. This
> > webserver serves 50000 hits per hour. Whats currently happening is it
> > works fine for 8 hours then the server just starts spawning httpd
> > processes when it reaches about 70 processes the box runs out of memory
> > and swap space then crashes :(
> >
> > This is what I currently have set:
> > ServerLimit 16
> > StartServers 2
> > MaxClients 150
> > MinSpareThreads 25
> > MaxSpareThreads 75
> > ThreadsPerChild 25
> > MaxRequestsPerChild 20000
> > EnableSendfile Off
> > HostnameLookups Off
> > EnableMMAP on
> > Timeout 120
> > KeepAlive On
> > MaxKeepAliveRequests 1024
> > KeepAliveTimeout 15
> >
> > Anyone seen this perhaps a better way of doing it?
> >
> > Thanks
> > Mark
> >
> > _______________________________________________
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> >
>
> --
>
> There is no way to happiness
> Happiness is the way
>
> -------------------------------------------------------------------
> Andrew McNaughton http://www.scoop.co.nz/
> andrew@scoop.co.nz Mobile: +61 422 753 792
>
> --
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- Previous message: Steve Ames: "Re: Mail Server recommendations"
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