Strange fluctuation in load average

[Matt Simmons]

When you say load average, do you mean the 1 minute moving average?
And what are you using to display the load average?

--Matt


On Thu, Jun 10, 2010 at 3:48 PM, Trisha Hoang <trisha at rockyou.com> wrote:
> Hi all,
> When I first installed nagios-3.2.0 with embedded perl enabled, nagios
> experienced increasing latency, starting at 1 sec and climbed upto 300
> within a few hours until restarting nagios. I read on one of the older post
> suggesting to recompile nagios *without* embedded perl, and that resolved
> the latency issue, with latency consistently at less than 1 sec. However,
> ever since, the system load average has fluctuated wildly from 1 to 12 and
> down to say ... 3 within a minute. This fluctuation happens 3-10 minutes
> each time and calms down for ... say an hour. There doesn't seem to be any
> cron jobs that can cause this kind of load, and cpu (1-quad core) is usually
> at least 50% idle , with plenty of free memory, no IO blocks, on Centos 5-2.
> What's strange is with nagios compiled with embedded perl, the load was
> consistently at 2-4.
> Could this be nagios related? Please let me know if you need more
> information.
>
> --
> Trisha Hoang | IT/Operations | Rockyou, Inc. | Phone: 408-472-3989 | AIM:
> rockyoutrisha
>
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