--- On Sat, 7/19/08, listmail <listmail at entertech.com> wrote: > From: listmail <listmail at entertech.com> > Subject: [CentOS] Load Average ~0.40 when idle > To: "CentOS mailing list" <centos at centos.org> > Date: Saturday, July 19, 2008, 1:48 PM > I am running CentOS 5 on a dual-dual-core Intel machine, and > I am seeing > a load average of between 0.35 and 0.50 while the machine > is idle, i.e. > no processes appear to be running. > > Both top and uptime report the same thing. Looking at top, > I cannot see > any processes that are using CPU time except for top and > init, and they are > not using enough cycles to push up the load average. > > According to top, there are occasional tiny (like 0.5%) > bumps in the > system usage occasionally, and almost no user space usage. > Again, not > enough to account for the load average I am seeing. > > I have tried a couple of kernel updates, and upgraded from > CentOS 5.0 to 5.2, > none of which make any difference. > > Has anyone else seen this? And can anyone recommend a way > to figure out > what is causing the load average to be this high when the > machine is idle? I have not seen this with any C5. However I have moved all /etc/cron.daily/prelink /etc/cron.daily/makewhatis to the weekly. check /var/log/secure for dictionary attacks check your /var/log/httpd/access_log for unusual PHP activity check http://localhost/usage for the webalizer logs, where maybe something will standout. -- Mark