Webalizer causing high CPU load

Posted by Tom on Server Fault See other posts from Server Fault or by Tom
Published on 2010-04-23T08:54:45Z Indexed on 2010/04/23 9:03 UTC
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We use webalizer to generate reports on our Apache access logs - it is useful in conjunction with Google Analytics.

The problem is that webalizer uses ALOT of CPU when running. If I run top I can see two perl processes with 90% CPU - this slows down the machine and therefore the website for our users.

Webalizer is run via a daily cron job (/etc/cron.daily/00webalizer):

#! /bin/bash
# update access statistics for the web site
if [ -s /var/log/httpd/access_log ]; then
   exec /usr/bin/webalizer -Q

Does anyone know how to limit how much CPU webalizer can use? For example, would nice help and how would I use it?

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