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From Nicholas Sherlock <>
Subject [users@httpd] Re: guidance on how to track down crazy apache processes
Date Wed, 12 Aug 2009 08:40:42 GMT
Timothy Martin wrote:
> Anyway, despite having the prefork mpm set with a limit of 6, my 
> watchdog process (monit) will report process count shooting  up over 50. 
> I can't figure out how apache is letting itself get so many processes 
> spinning out of control. Monit then restarts the server and everything 
> is fine again until the next surge of page requests.
> my Prefork MPM is setup as such:
>        StartServers            3
>         MinSpareServers         3
>         MaxSpareServers         6
>         MaxClients                      80
>         MaxRequestsPerChild     2500

MaxSpareServers is the maximum number of *spare* servers, that is, 
servers that are not serving clients but are instead sitting there doing 
nothing. MaxClients is the parameter which controls the maximum number 
of (busy or idle) Apache processes.

Nicholas Sherlock

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