Nagios Latency

Benjamin Cleyet-Marrel benjamincm at oss.co.nz
Tue Oct 2 04:30:07 CEST 2007


Hi,

I am experiencing problems with Nagios latency that I can't understand.

Upon Nagios startup or upon Nagios restart, the latency is bellow 
0.1second which is fine.
After a couple of days, without any change, and even though the 
execution time and the Nagios server load remain the same the latency 
slowly increase.  It seems that it is an exponential growth.

All the checks kicks in later and later, no exception.

Usually after a week the latency is up to 60seconds and after 2 week up 
to 5 minutes.

I have currently set up a Nagios restart every monday, but I would like 
to find a better solution and understand why does the latency keeps 
increasing.

We monitor over 50 hosts and have over 1400 checks every 5 minutes.
The nagios server is quite big and is not really loaded.

Any Idea would be appreciated

Cheers
Ben

-- 

----------------------------------
Benjamin Cleyet-Marrel
Consultant

OSS: Open Systems Specialists Ltd
phone:   09-984-3000
fax:     09-984-3001
mobile:  021-721-869
email:   bcm at oss.co.nz
web:     www.oss.co.nz
post:    P.O. Box 8833, Auckland
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