1000+ processes then Nagios fails

[Marc Powell]

Are you certain that's what the service_reaper_frequency applies to? I thought that command_check_interval applied to the external command pipe and that service_reaper_frequency only applied to local active checks that do not write to the external command pipe.
 
--
Marc

	-----Original Message----- 
	From: Russell Scibetti [mailto:russell at quadrix.com] 
	Sent: Mon 12/9/2002 11:11 AM 
	To: Shane_Seidel at gwf.com.au; nagios-users at lists.sourceforge.net 
	Cc: 
	Subject: Re: [Nagios-users] 1000+ processes then Nagios fails
	
	

	I've read some of the replies, and I have one more suggestion to try. 
	 If memory is the problem, and not CPU Load, try lowering the 
	service_reaper_frequency.  By default it is set to 10, which means every 
	10 seconds, Nagios will remove the contents of the pipe (what ALL the 
	plugins write to - there is only 1 pipe) and process them.  

	If you have that many services, you might be overwriting the pipe.  I 
	had similar problems on one of my systems where the box kept swapping 
	all the time (about 750 service checks, most every 5 minutes).  If you 
	try lowering that value (try 5 for starters), Nagios will read the pipe 
	more frequently, so it shouldn't get overwritten as much. 

	Just another suggestion. 

	-Russell Scibetti 

	Shane_Seidel at gwf.com.au wrote: 

	> 
	> 
	> 
	>Hi All, 
	> 
	>We have a dual P3-1200mhz 512M RAM server running Nagios 1.0 monitoring 180 
	>devices and 800 services. 
	> 
	>I have noticed that the number of nagios processes increase until they reach a 
	>count of approx 1000 at which time the server complains it is "out of memory" 
	>and starts shutting down services. 
	> 
	>I found that executing '/etc/rc.d/init.d/nagios reload' from cron would "solve" 
	>the problem. The number of processes would return to approx 60 and then start to 
	>climb again. I have the cron job execute every 30 mins. 
	> 
	>I took the config and put all the hosts, services, etc into Netsaint 0.7 on a 
	>P2-350Mhz 128 mb RAM and processes rarely rise to over 100 and then return to 
	>40-60. 
	> 
	>Note that I use the "default" option while compiling to maintain backward 
	>compatibility for Netsaint. 
	> 
	>Has anyone else experienced this? Is there any way to restrict the number of 
	>processes used by nagios. Note also that the big server also runs MRTG/RRD on 
	>approx 20 devices, although mrtg process complete 
	> 
	>Any help appreciated 
	>Thanks 
	>Shane 
	> 
	> 
	> 
	> 
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	-- 
	Russell Scibetti 
	Quadrix Solutions, Inc. 
	http://www.quadrix.com 
	(732) 235-2335, ext. 7038 





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