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Reply to topic   Topic: Maxrequestworkers ?
Author
jeeakooma



Joined: 10 Jun 2015
Posts: 1
Location: USA

PostPosted: Mon 29 Jun '15 17:31    Post subject: Maxrequestworkers ? Reply with quote

Hi All,

I support a company website on Apache with 4GB of RAM. We've had issues lately with RAM bottoming out and the site becoming slow or unreachable.

I managed to be running 'top' when the site went down recently, and noticed that the number of running Apache processes had gone from around 9 to well over 70. A colleague suggested that I increase Maxrequestworkers (was at 150 at the time), which I did to 250.

That seemed to reduce the incidence of RAM bottoming, however it still seems to be a problem occasionally. I've read arguments for both increasing and decreasing Maxrequestworkers - can someone tell me which direction to go?

I should also mention my server is currently configured with the following numbers:

timeout 300
KeepAlive On
MaxKeepAliveRequests 100
KeepAliveTimeout 5

Thanks for your help!
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James Blond
Moderator


Joined: 19 Jan 2006
Posts: 7373
Location: Germany, Next to Hamburg

PostPosted: Wed 22 Jul '15 12:51    Post subject: Reply with quote

There is a perl script that can help you finding the correct config

http://check-httpd-limits.googlecode.com/svn/trunk/check_httpd_limits.pl
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