Tuning for Passive Check latency

[Yu Watanabe]

Hello Jim.

Thank you for your support and affording your time.

Yes , the document I read was the link you have sent to me.
However, I was not sure whcich parameter should I change intitally.

Regarding to the check_interval, we want to choose this option
as a last option since ping checks are very important.

I am thinking of change the parameters in following order:

1. Increase external buffer slot 
>From : 
  # external_command_buffer_slots=

To   :
  external_command_buffer_slots=768

2. Change the external command check interval
>From :
  check_external_commands=1

TO   :
  check_external_commands=-1

Following are the details of nagiostats executed most recently:

-------------------------------------------------
Total Services:                         2321
Services Checked:                       1928
Services Scheduled:                     1077
Services Actively Checked:              1470
Services Passively Checked:             851
Total Service State Change:             0.000 / 100.000 / 16.641 %
Active Service Latency:                 0.000 / 1.021 / 0.383 sec
Active Service Execution Time:          0.000 / 5.182 / 0.087 sec
Active Service State Change:            0.000 / 11.180 / 0.008 %
Active Services Last 1/5/15/60 min:     0 / 0 / 0 / 0
Passive Service Latency:                0.586 / 101257.403 / 768.626 sec
Passive Service State Change:           0.000 / 100.000 / 45.372 %
Passive Services Last 1/5/15/60 min:    0 / 0 / 0 / 0
Services Ok/Warn/Unk/Crit:              2313 / 1 / 0 / 7
Services Flapping:                      0
Services In Downtime:                   0

Total Hosts:                            1034
Hosts Checked:                          1034
Hosts Scheduled:                        0
Hosts Actively Checked:                 1034
Host Passively Checked:                 0
Total Host State Change:                0.000 / 0.000 / 0.000 %
Active Host Latency:                    0.000 / 46.420 / 0.248 sec
Active Host Execution Time:             0.005 / 5.181 / 0.084 sec
Active Host State Change:               0.000 / 0.000 / 0.000 %
Active Hosts Last 1/5/15/60 min:        0 / 0 / 0 / 0
Passive Host Latency:                   0.000 / 0.000 / 0.000 sec
Passive Host State Change:              0.000 / 0.000 / 0.000 %
Passive Hosts Last 1/5/15/60 min:       0 / 0 / 0 / 0
Hosts Up/Down/Unreach:                  1027 / 7 / 0
Hosts Flapping:                         0
Hosts In Downtime:                      0

Active Host Checks Last 1/5/15 min:     2 / 7 / 17
   Scheduled:                           0 / 0 / 0
   On-demand:                           2 / 7 / 17
   Parallel:                            2 / 7 / 15
   Serial:                              0 / 0 / 0
   Cached:                              0 / 0 / 2
Passive Host Checks Last 1/5/15 min:    0 / 0 / 0
Active Service Checks Last 1/5/15 min:  211 / 1106 / 3300
   Scheduled:                           211 / 1106 / 3300
   On-demand:                           0 / 0 / 0
   Cached:                              0 / 0 / 0
Passive Service Checks Last 1/5/15 min: 0 / 2 / 2

External Commands Last 1/5/15 min:      84 / 359 / 1074
-----------------------------------------------------------

If you could give us your opinion , it would be a great help.

Thank you,
Yu Watanabe

Jim Avery $B$5$s$O=q$-$^$7$?(B:
>On 18 August 2010 03:24, Yu Watanabe <yu.watanabe at jp.fujitsu.com> wrote:
>> Hello all.
>>
>> We would like to ask some tips with how to tune up fof the Passvie Check.
>>
>> Currently we are experiencing following latency in passive check,
>>
>> Passive Service Latency:                0.586 / 101257.403 / 768.626 sec
>>
>> # nagios version is 3.0.6
>>
>> I have read manual but I would like to get an advice
>> exactly which parameteres should I change in nagios.cfg.
>
>Which manual have you read?  The most relevant page is:
>
>http://nagios.sourceforge.net/docs/3_0/tuning.html
>
>Can you increase the check_interval for some of your service checks?
>
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