service checks running too often

[Mark Keisler]

There isn't a second nagios instance.  While I was watching the pollers
spawn, they all led back to the same master nagios instance.


On Thu, Dec 13, 2012 at 2:37 PM, Mike Guthrie <mguthrie at nagios.com> wrote:

>
> On 12/13/2012 12:38 PM, Mark Keisler wrote:
>
> I understand that nagios dynamically adjusts service check times, but the
> puzzling thing is that there is a check that runs every 5 minutes but then
> an extra or two in between.  And yes, the web interface shows the next
> service check as 5 mins out and yet another runs before that time hits.
>
> Is there any chance that there could be a second instance of Nagios
> running?   Look for multiple *parent* processes from the following
>
> #modify the nagios binary path to match your system
>
> ps aux | grep /bin/nagios
>
>  /etc/init.d/nagios stop
>
> killall -9 nagios
>
> /etc/init.d/nagios start
>
>
>
>
>
> On Thu, Dec 13, 2012 at 10:24 AM, Mike Guthrie <mguthrie at nagios.com>wrote:
>
>>  Although some of those start times do seem close together, it's
>> important to know that the check_interval in Nagios is not necessarily a
>> hard number. Nagios is continually adjusting and recalculating the check
>> schedule, so if you need a check to run on a hard 5mn schedule, you might
>> be better off using cron, and then pushing the result to Nagios passively.
>>
>> With that said, access the service details for this service. When new
>> results come in does the scheduler set the Next Check 5mn out as expected?
>>
>>
>>
>> On 12/13/2012 9:43 AM, Mark Keisler wrote:
>>
>>  I'm running Nagios 3.4.1 on RHEL6. I have an issue where I have a
>> poller (service check) that is running too often and I am not sure why. I
>> have "service_check_timeout=180" because I had trouble with the poller
>> running long. Relevant settings for the service check:
>>
>>         check_period                    24x7
>>         max_check_attempts              1
>>         normal_check_interval           5
>>         retry_check_interval            5
>>
>> I also set up a tracking logger in the poller to record "timestamp PID
>> started by PPID : Poll [Start|End] of poller"
>> 2012-12-12_12:26:38 19448 started by 19442 : Poll Start of poller
>> 2012-12-12_12:27:13 19448 started by 19442 : Poll End of poller
>> 2012-12-12_12:28:14 19931 started by 19930 : Poll Start of poller
>> 2012-12-12_12:30:14 19931 started by 19930 : Poll End of poller
>> 2012-12-12_12:31:37 20467 started by 20460 : Poll Start of poller
>> 2012-12-12_12:33:15 20949 started by 20946 : Poll Start of poller
>> 2012-12-12_12:33:15 20467 started by 20460 : Poll End of poller
>> 2012-12-12_12:33:41 20949 started by 20946 : Poll End of poller
>> 2012-12-12_12:36:38 21483 started by 21478 : Poll Start of poller
>> 2012-12-12_12:38:14 21971 started by 21964 : Poll Start of poller
>> 2012-12-12_12:39:17 21483 started by 21478 : Poll End of poller
>> 2012-12-12_12:39:18 21971 started by 21964 : Poll End of poller
>> 2012-12-12_12:41:38 22500 started by 22492 : Poll Start of poller
>> 2012-12-12_12:42:19 22500 started by 22492 : Poll End of poller
>> 2012-12-12_12:43:14 23003 started by 22999 : Poll Start of poller
>> 2012-12-12_12:45:20 23003 started by 22999 : Poll End of poller
>> 2012-12-12_12:46:37 23540 started by 23535 : Poll Start of poller
>> 2012-12-12_12:48:14 24025 started by 24024 : Poll Start of poller
>> 2012-12-12_12:48:20 23540 started by 23535 : Poll End of poller
>> 2012-12-12_12:48:41 24025 started by 24024 : Poll End of poller
>> 2012-12-12_12:51:38 24558 started by 24554 : Poll Start of poller
>> 2012-12-12_12:53:14 25044 started by 25041 : Poll Start of poller
>> 2012-12-12_12:54:35 25044 started by 25041 : Poll End of poller
>>
>> As you can see, I start to get overlapping pollers. I don't understand
>> why this would happen. Any hints or clues?
>>
>>
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>>
>> _______________________________________________
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>>
>>
>> --
>>
>>
>> Mike Guthrie
>> Technical Team
>> ___
>> Nagios Enterprises, LLC
>> Email:  mguthrie at nagios.com
>> Web:    www.nagios.com
>>
>>
>>
>> ------------------------------------------------------------------------------
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>> Remotely access PCs and mobile devices and provide instant support
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>>
>
>
>
> ------------------------------------------------------------------------------
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> Improve your efficiency, and focus on delivering more value-add services
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>
>
>
> _______________________________________________
> Nagios-users mailing listNagios-users at lists.sourceforge.nethttps://lists.sourceforge.net/lists/listinfo/nagios-users
> ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue.
> ::: Messages without supporting info will risk being sent to /dev/null
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>
>
> --
>
>
> Mike Guthrie
> Technical Team
> ___
> Nagios Enterprises, LLC
> Email:  mguthrie at nagios.com
> Web:    www.nagios.com
>
>
>
> ------------------------------------------------------------------------------
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> Remotely access PCs and mobile devices and provide instant support
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