httpd -l output is
Compiled in modules:
core.c
worker.c
http_core.c
mod_so.c
We are in worker mode.
Thanks
Kulbir
On Sat, Mar 7, 2009 at 11:55 AM, Martin Gainty <mgai...@hotmail.com> wrote:
>
> quoting the httpd doc
> "Prefork and worker are mutually exclusive modules. How did you compile
> Apache? "
> Check the output of "httpd -l".
>
> find out which module you have compiled into your server then tune the
> settings for that module
>
> Martin
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>
>
> > Date: Sat, 7 Mar 2009 10:34:41 -0500
> > Subject: Tuning worker MPM
> > From: kulbir.sai...@gmail.com
> > To: users@tomcat.apache.org
> >
> > Hi,
> >
> > we have a web server with two apache instances running on that.
> Experiencing
> > high load on server and the "top" shows httpd's taking CPU. The
> httpd.conf
> > worker setting is -
> >
> > <IfModule worker.c>
> > #ServerLimit 25
> > StartServers 2
> > MaxClients 300
> > MinSpareThreads 75
> > MaxSpareThreads 250
> > ThreadsPerChild 25
> > MaxRequestsPerChild 20000
> > </IfModule>
> >
> >
> > Looking at server resources, we dont find any memory issue & no swapping
> > seen. the "vmstat" output shows that the run queue("r") increases higher
> > thatn the number of CPU's on the server. Server has 2 dual Core Intel(R)
> > Xeon(TM) CPU 3.06GHz.
> >
> > I feel since processes are going in CPU run queue it may happen apache is
> > not tunned properly to handle requests though we dont see any crunch on
> > server resources.
> >
> >
> > Any suggestions?
> >
> > Also i would like to know the thumb rule calculations for
> > configuring/tunning worker threads i..e how to decide on values for
> > ServerLimit, Maxclient, Minspare threads ect etc.
> >
> >
> > Thanks in advance
> >
> > Kulbir
>
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