Unpredictable service check times fixed?

[Carroll, Jim P [Contractor]]

Yes, the grouping you're seeing is quite common (if I understood your
question correctly).

jc


> -----Original Message-----
> From: Mateo Carr [mailto:mcarr at apple.com]
> Sent: Wednesday, April 16, 2003 7:47 PM
> To: Stanley Hopcroft
> Cc: nagios-users at lists.sourceforge.net
> Subject: Re: [Nagios-users] Unpredictable service check times fixed?
> 
> 
> Thank you for all of your help.
> 
> I am running nagios on OS X. There were a couple of challenges to  
> getting everything compiled and happy, but nothing 
> insurmountable. It  
> is a really great piece of software, and we are looking forward to  
> getting it fully deployed.
> 
> It turns out that my issue was actually that I was bouncing 
> off of the  
> user maxproc limit and not running out of memory as previously  
> thought.. I determined this for certain by making a small 
> change to the  
> source so that it says which errno condition is set.
> 
> Now that I have worked around that issue, I have one more quick  
> question, which is related to this situation being triggered 
> to begin  
> with. It seems that over time the service checks all get 
> clumped closer  
> and closer together. I have been sampling the number of nagios user  
> processes every 5 seconds, and over time a pattern like the 
> following  
> emerges: 9 9 9 9 7 7 7 7 7 7 7 7 48 170 64 76 33 31 21 47 55 
> 43 21 17  
> 13 9 6 6 6 6 ......etc.... This grouping of checks is confirmed by  
> looking at the scheduling queue. My question is has anybody else  
> observed such behavior? I realize that I could set the  
> max_concurrent_checks manually as a workaround, it just that I would  
> prefer to let nagios sort it out.
> 
> Thanks!
> **Mateo
> 
> 
> On Monday, April 14, 2003, at 09:04  PM, Stanley Hopcroft wrote:
> 
> > Dear Sir,
> >
> > On Mon, Apr 14, 2003 at 08:47:51PM -0700, Mateo Carr wrote:
> >> Doah, you're absolutely right. I was running quite low on RAM. I  
> >> should
> >> have thought to check that (I blame a total lack of sleep).
> >>
> >> Thank you for your help!
> >>
> >
> > Thank you very much for
> >
> > 1 Going to the trouble to collect the debugging information that was
> > essential to the resolution of the problem
> >
> > 2 Letting me know the result (it's too easy to offer help 
> that actually
> > isn't because of carelessness in reading or sloppy thinking).
> >
> >> Cheers
> >> **Mateo
> >>
> >>
> >
> > I hope you get it sorted out.
> >
> > (You may want to let the list know that you are doing well 
> on Mac OS if
> > that's what you are running Nag under. Lot's of developers (eg
> > Deri/ntop, Lemon/dhcpd choose to code under OS X).
> >
> > Yours sincerely.
> >
> > --  
> > 
> --------------------------------------------------------------
> --------- 
> > -
> > Stanley Hopcroft
> > 
> --------------------------------------------------------------
> --------- 
> > -
> >
> > '...No man is an island, entire of itself; every man is a 
> piece of the
> > continent, a part of the main. If a clod be washed away by the sea,
> > Europe is the less, as well as if a promontory were, as well as if a
> > manor of thy friend's or of thine own were. Any man's death 
> diminishes
> > me, because I am involved in mankind; and therefore never 
> send to know
> > for whom the bell tolls; it tolls for thee...'
> >
> > from Meditation 17, J Donne.
> 
> 
> 
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