Hi Unix Engineer,
you should definitely check out mod_gearman – it’ll give you a huge performance
improvement in large environments. You have already set the large installation
tweaks switch in icinga.conf?
Von: Unix Engineer [mailto:unixengin...@gmail.com]
Gesendet: Dienstag, 8. Mai 2012 16:00
An: icinga-users@lists.sourceforge.net
Betreff: Re: [icinga-users] Icinga Active Service Check Latency
Thanks Steve. We are looking at using mod_gearman ...
In the meantime, here is out config as compared to our documentation... should
provide more information ...
Check Result Reaper
set check_result_reaper_frequency=1
set max_check_result_reaper_time=30 (not too low,
otherwise checks cannot get processed, and get orphaned)
Our Config:
check_result_reaper_frequency=5
max_check_result_reaper_time=15
External Commands (Passive Checks Results)
run icingastats to get an idea how many passive checks
are run in 5 minutes
verify that external command pipe is not
stuffed
set external_command_buffer_slots= to an
accurate value
set command_check_interval=-1 to reap as
often as possible
Our Config:
Services Actively Checked: 3021
Services Passively Checked: 0
External Commands Last 1/5/15 min: 0 / 0 / 0
command_check_interval=-1
On Mon, May 7, 2012 at 11:38 AM, Steve McMaster
<steve+ici...@getsnosex.com<mailto:steve+ici...@getsnosex.com>> wrote:
You can also take a look at
https://wiki.icinga.org/display/howtos/Setting+up+mod+gearman+with+Icinga
We noticed an immediate decrease in the check latencies after setting that up,
even without additional worker nodes (run the worker and Icinga on the same
box).
On Mon, May 7, 2012 at 10:21 AM, Unix Engineer
<unixengin...@gmail.com<mailto:unixengin...@gmail.com>> wrote:
Hi Icinga-users
It looks like our Icinga setup is not optimized. I see that the active service
check latency is too high
(output from icingastats:)
Active Service Latency: 31.515 / 603.677 / 51.650 sec
Active Service Execution Time: 0.015 / 60.043 / 0.943 sec
Active Service State Change: 0.000 / 34.800 / 0.052 %
Active Services Last 1/5/15/60 min: 706 / 2790 / 2869 / 2916
Also, sometimes, it does happen that a check scheduled to be run, does not run
even after the time has elapsed.
Hardware config:
1. VMWare slice with 4 cores @ 2.40GHz
2. 4GB Memory
What all could be optimized that the active sevice latency is reduced ?
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