Nagios service latency

[Marc Powell]

> -----Original Message-----
> From: nagios-users-bounces at lists.sourceforge.net [mailto:nagios-users-
> bounces at lists.sourceforge.net] On Behalf Of sunchai (gillnaldo : sun)
> Sent: Tuesday, October 30, 2007 7:01 AM
> To: nagios-users at lists.sourceforge.net
> Subject: [Nagios-users] Nagios service latency
> 
> Hi all,
> 
>    I faced problem with nagios service latency. My requirement is
active
> service monitoring to router/ network device using "SNMP" and "Ping"
> command. My environment is big router with ~100 services per device.
> 
>    How can I optimized nagios config? Thank in advance.
> 
> Note: I have information below
> ########## nagios -s ################
> HOST SCHEDULING INFORMATION
> ---------------------------
> Total hosts:                     173
> Total scheduled hosts:           173

If this is nagios-2.x or prior, do not force scheduled host checks. You
don't need to because Nagios will perform them on an as needed basis by
default when a service on the host returns a non-ok state.

When those versions of nagios perform host checks, they're done
sequentially, not in parallel, and _nothing_ else happens, not even
service checks. This introduces significant delays, especially when
you're trying to complete many service checks in a short interval.

--
Marc


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