Is my nagios in good shape?

[Cook, Garry]

You should take a look at the max_concurrent_checks value in your Nagios config. The output below recommends some values to use. After making the change and restarting Nagios, give it some time to run some checks and have a look at your performance info again. 
 
Also, have a look at the following docs:
http://nagios.sourceforge.net/docs/1_0/configmain.html#max_concurrent_checks
http://nagios.sourceforge.net/docs/1_0/checkscheduling.html
 
HTH
 
-g

	-----Original Message----- 
	From: Neil [mailto:neil-on-nagios at restricted.dyndns.org] 
	Sent: Wed 7/28/2004 2:38 PM 
	To: Cook, Garry 
	Cc: nagios-users at lists.sourceforge.net 
	Subject: Re: Is my nagios in good shape?
	
	

	Hi Garry, 

	This is the result: 
	       SERVICE SCHEDULING INFORMATION 
	       ------------------------------- 
	       Total services:             276 
	       Total hosts:                115 

	       Command check interval:     5 sec 
	       Check reaper interval:      10 sec 

	       Inter-check delay method:   SMART 
	       Average check interval:     319.130 sec 
	       Inter-check delay:          1.156 sec 

	       Interleave factor method:   SMART 
	       Average services per host:  2.400 
	       Service interleave factor:  3 

	       Initial service check scheduling info: 
	       -------------------------------------- 
	       First scheduled check:      1091047230 -> Wed Jul 28 13:40:30 2004 
	       Last scheduled check:       1091047548 -> Wed Jul 28 13:45:48 2004 

	       Rough guidelines for max_concurrent_checks value: 
	       ------------------------------------------------- 
	       Absolute minimum value:     9 
	       Recommend value:            27 

	So what are the changes I need to make? 

	Thanks :) 

	Cook, Garry writes: 

	> nagios-users-admin at lists.sourceforge.net wrote: 
	>> Hey guys, 
	>> 
	>> Here is the output of our production nagios' performance info. Is my 
	>> box ok?  
	>> 
	>> Program-Wide Performance Information 
	>> Active Checks: Time Frame Checks Completed 
	>> <= 1 minute: 71 (25.7%) 
	>> <= 5 minutes: 220 (79.7%) 
	>> <= 15 minutes: 262 (94.9%) 
	>> <= 1 hour: 276 (100.0%) 
	>> Since program start:   276 (100.0%) 
	>> 
	>> Metric Min. Max. Average 
	>> Check Execution Time:   < 1 sec 16 sec 2.192 sec 
	>> Check Latency: 70 sec 130 sec 97.312 sec 
	>> Percent State Change: 0.00% 8.95% 0.17% 
	> 
	> It doesn't appear to be in 'bad' shape, although your checks appear to 
	> be running a little behind. 
	> Run /<path to nagios>/bin/nagios -s /<path to nagios>/etc/nagios.cfg to 
	> see what Nagios thinks about your check latency, and this will also 
	> suggest some config changes for improvement. 
	> 
	>>  
	>> 
	>> Thanks, 
	>> 
	>> Neil 
	>  
	> 
	> Garry W. Cook, CCNA 
	> Network Infrastructure Manager 
	> MACTEC, Inc. - http://www.mactec.com/ 
	> 303.308.6228 (Office) - 720.220.1862 (Mobile) 
	> 
	> 
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