Limit Service Check

[Marc Powell]

Please always respond on-list and not to me directly.

> -----Original Message-----
> From: adi yesaya [mailto:adiyesaya at gmail.com]
> Sent: Wednesday, May 09, 2007 10:44 AM
> To: Marc Powell
> Subject: Re: [Nagios-users] Limit Service Check
> 
> Hello Marc,
> 
> Thanks for your answer.
> It's quite hard for me, since my project requires me to only have a
> maximum 2 connections (service check) to a host. Do you have other
> suggestions than setting the max_concurrent_checks to 2?

I never suggested changing max_concurrent_check but rather
service_interleave_factor. They're definitely different beasts. As for
other suggestions...

- Create one or more plugins that then run multiple plugins sequentially
and aggregate the results following the plugin guidelines
(http://nagiosplug.sf.net) for reporting back to nagios. These new
plugins would be the service checks you tell nagios to run.
- or, disable parallelization entirely and force nagios to run all
checks sequentially. This is definitely not desirable as it really
limits your scalability and the frequency that you can run checks.
 
> Another question is:
> Is it possible in Nagios to specify on a per-host basis, whether or
not a
> service check can be parallelized?

No, but... http://nagios.sourceforge.net/docs/2_0/parallelization.html
says ...

"If all else fails you can effectively prevent service checks from being
parallelized by setting the max_concurrent_checks option to 1. This will
allow only one service to be checked at a time, so it isn't a
spectacular solution. If there is enough demand, I will add an option to
the service definitions which will allow you to specify on a per-service
basis whether or not a service check can be parallelized. If there isn't
enough demand, I won't..."

You might want to chime in on nagios-devel to express support for such a
feature.

--
Marc

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