Thanks Paul, that's helpful. We're using the prefork MPM.  Do you think 
4000 is too large a number for MaxRequetsPerChild?


On Wednesday, September 11, 2013 2:15:35 AM UTC-7, Paul Fee wrote:
> Your httpd.conf suggests you've got mod_status enabled.  Therefore visit 
> the /server-status URL on your web server.  This should cause Apache httpd 
> to provide a page that summarises the status of all its workers.  That may 
> help you understand why you've got more httpd processes than expected.
> Also, I've found the MaxRequestsPerChild directive to be useful on an 
> installation of mine that would lock up occasionally.  Your config shows 
> the directive set to 4000 for the prefork MPM, but 0 (infinity) for the 
> worker MPM.  Check which MPM you're using (execute "httpd -V") and ensure 
> that MaxRequestsPerChild is taking effect.  The config file contains a set 
> of MPM tuning directives, duplicated for prefork and worker, make sure the 
> required configuration is actually active.
> -- 
> Paul
> On Tuesday, September 10, 2013 11:36:59 PM UTC+1, Steve wrote:
>> I see the 'server cache' information in the admin page.  It shows the 
>> memory usage at around 150MB, so clearly 64MB was not enough. 
>>  Unfortunately, the load average once again climbed over 100 and I had 
>> close to 200 apache processes running.  It's baffling.  Can you guide me on 
>> how to limit the number of apache processes and threads?  I've attached the 
>> apache httpd.conf file.
>> Thanks Christian.
>> --steve

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