service latency troubles

Andreas Ericsson ae at op5.se
Mon Oct 13 17:50:55 CEST 2008


Antoine Musso wrote:
> Andreas Ericsson wrote :
> <snip>
>> As detailed as your report is, it doesn't mention what OS (with version)
>> you're using, nor does it mention what version of Nagios you're using.
>>
>> Besides that though, what other "extras" are you using? Typical latency-
>> raisers are:
>> * OCHP/OCSP commands
>> * Older versions of NDOUtils
>> * Home-written eventbroker modules
>> * Clumsily written plugins that don't time out in a timely manner and
>>   don't complete quickly enough.
> 
> Hello Andreas,
> 
> Some details about our versions:
> 
>  - Linux Redhat Enterprise 4 (x86_64, kernel 2.6.9).
>  - Nagios   : 3.0.3
>  - NDOutils : 1.4b7
> 
> The OCHP/OCSP commands is just doing an echo to a file.
> 

Turn off OCHP and OCSP and then reload Nagios. If that doesn't help,
unload NDOUtils and then restart Nagios. If that helps, re-enable the
OCSP/OCHP commands again. If it's working then, it was NDOUtils fault.
If not, it's the combined load of NDOUtils and the OC?P commands.

OC?P commands add a rather extraordinary amount of load to the system
irrespective of how simple they are. Usually, you'd be better off
replacing them with an extremely simple NEB-module.

-- 
Andreas Ericsson                   andreas.ericsson at op5.se
OP5 AB                             www.op5.se
Tel: +46 8-230225                  Fax: +46 8-230231

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