Reducing apache VIRT and RES memory usage

Posted by lisa on Server Fault See other posts from Server Fault or by lisa
Published on 2011-09-19T12:10:38Z Indexed on 2013/11/09 9:59 UTC
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On a quad-core server with 8GB of ram I have apache processes that use up to 2.3GB RES memory and 2.6GB VIRT memory. Here is a copy of the top -c command

http://imgur.com/x8Lq9.png

Is there a way to reduct the memory usage for these apache processes?

These are my httpd.conf settings

Timeout 160
TraceEnable Off
ServerSignature Off
ServerTokens ProductOnly
FileETag None
StartServers 6
<IfModule prefork.c>
MinSpareServers 4
MaxSpareServers 16
</IfModule>
ServerLimit 400
MaxClients 320
MaxRequestsPerChild 10000
KeepAlive On
KeepAliveTimeout 4
MaxKeepAliveRequests 80

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