[Apan-users] Re: nagios and apan cause server to crash...

[Fredrik Wänglund]

What platform/version are you running on?

I'm running without any problem under RedHat 8.0 on a PIII 1400MHz with 
170 hosts, 200 apan-services and 300 'normal' services.
My system-load stays between 1 and 2, CPU is mainly >80% idle

jeff vier wrote:

>I'm having the same problem here.
>
>I have been capturing dumps of the top command, pulling only active
>processes.  It looks like something causes an instance of apan.sh to
>hang, and then they just start piling up (fast).
>
>The load is usually under 1.0 (sometimes jumping up to 1.xx - no big
>deal).  When it died, my load was over 80 (yes eighty) with 46 (maybe
>more) *active* apan processes (not sure of the actual count, top dump
>only shows 62 lines of processes.  It said 73 running, though, so likely
>more were apan.sh - also, unknown count of inactive apan.sh process
>sitting and waiting), 17 zombies (unknown parent, alas). 99% CPU usage
>on CPU0, 100% on CPU1.  Yikes.  This jump happened over 16 minutes, at
>which point my crons no longer ran, so who knows how badly it kept
>piling up.
>
>apan.debug log file doesn't show anything abnormal (whee.)
>
>I'm going to have to write a watcher to manually kill the hanging
>apan.sh procs, which I don't want to do for fear of inadvertently
>killing valid processes, but I am quite sick of having to go over to the
>colo to poke the power button once a week (only been in production 3
>weeks - 4 crashes so far).
>
>I'm going to increase my level of manual debugging, too, of processes,
>etc.  I'll post any new insight.
>
>--jeff
>
>On Wed, 2003-10-08 at 10:31, Matthew Wilson wrote:
>  
>
>>UPDATE: I have checked and my nagios installation does not have ePN compiled
>>in.  So this is not the cause.  I would greatly appreciate any suggestions
>> on how to prevent/cure this problem.
>>
>>    
>>
>>>Thanks
>>>Matthew Wilson.
>>>      
>>>
>>>>Matthew Wilson wrote:
>>>>
>>>>        
>>>>
>>>>>Hi guys,
>>>>>I have read in the list archives in the last couple of months a few
>>>>>threads about nagios and apan chewing up memory.  I have tried a few
>>>>>of the solutions posted but still have no joy.
>>>>>          
>>>>>
>>
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>>
>
>
>
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