Smart CPU monitor for Unix?

[Matt Luettgen]

It might not be a nagios plugin...but there is the 'sar' command that comes in the sysstat package (see http://perso.wanadoo.fr/sebastien.godard ) that can provide historical data on cpu/memory/io/etc usage.  Granted I don't have a script currently to be incorporated into nagios, but it shouldnt be that difficult to hack up.  I believe this package can be used on a Unix system, but as I run strictly linux I cant be for sure.

Regards,

Matt Luettgen

On Mon, 27 Jun 2005 11:23:17 -0500
"Matt Millard" <millard.matt at principal.com> wrote:

> I'm looking for some sort of smart CPU monitor.  I'd like to have
> something that does a baseline of the server CPU utilization for a
> given time period (at least a months worth of data).  Then compare the
> current CPU utilization to that if it is a specified amount differing
> notify.  So say for example that every night for 1 hour I run a system
> backup that pegs the CPU at 100% (this is at different times for our
> servers), or it could be some month end processing job, or an end of
> the week processing job.  I want the monitor to be smart enough to not
> send an alert because this is normal system activities.  And obviously
> it has to hit this threshold a determined amount of times before it
> sends the alert.
> 
> What are other people doing for CPU monitoring on Unix systems?  Does
> this approach seam reasonable? Sometimes it's OK for it to be utilized,
> I just want to know when it's acting odd.  I don't currently do any SNMP
> monitoring, but it is in the plans for the future.
> 
> 
> 
> Matt
> 
> 
> Matt Millard| IS Server Administration | 515.248.0033
> 
> 
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