accommodate 7426 passive checks on nagios 3.0.3
Marc Ismael
marcismael at gmail.com
Mon Nov 17 16:40:00 CET 2008
Hi Mark,
Thanks for the response. I just realized that I've opened the old
templates.cfg file (apologies, im an 1d1ot).
My freshness_treshhold is actually 600 (10mins), but still im seeing this
issue.
template.cfg snippet
===============
define service{
name e_passive
active_checks_enabled 0
passive_checks_enabled 1
parallelize_check 0
obsess_over_service 0
check_freshness 1
freshness_threshold 600
check_command check_stale_passive
notifications_enabled 1
event_handler_enabled 0
flap_detection_enabled 1
failure_prediction_enabled 0
process_perf_data 0
retain_status_information 1
retain_nonstatus_information 1
is_volatile 0
check_period e_reboots
max_check_attempts 1
normal_check_interval 1
retry_check_interval 1
contact_groups e_server_team
notification_options c
notification_interval 0
notification_period e_reboots
register 0
}
Thanks,
Marc
On Mon, Nov 17, 2008 at 11:25 PM, Mark Young <myoung at nagios.org> wrote:
>
> On Nov 16, 2008, at 9:16 PM, Marc Ismael wrote:
>
> Hi all,
>>
>> I have 7426 incoming passive checks on my nagios server. I turned on
>> freshness check at every 60 seconds, check_result_reaper_frequency at 60 and
>> max_check_result_reaper_time at 90. I am getting a lot of stale passive
>> results. Anything off with these settings, or the rest of my config
>> settings?
>>
>
>
> You have some interesting choices with your settings. If you have the
> freshness and the reaper_frequency set to the same time of 60 seconds.The
> freshness threshold is the time in which Nagios should consider a check to
> be stale. This is done by looking at the last check's timestamp and
> comparing it to the threshold you set (60 seconds). While the
> reaper_frequency is the frequency in which Nagios will take all the
> collected passive results and process them, which you also have set at 60
> seconds. You are setting up a condition where most of your checks are
> running close to stale and, given any processing time, with give you many
> stale results.
>
> Depending on your how powerful your system is, you will need to either
> increase your freshness threshold (try 300 seconds), decrease the reaper
> frequency, or do both. You may have to play around with the exact settings
> that will work with your system and the number of checks you are performing.
> I would recommend you start with increasing the freshness threshold.
>
> Good Luck!
>
> Mark Young
> ___
> Nagios Enterprises, LLC
> Web: www.nagios.com
>
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