hundreds of procs

[Jason Lancaster]

Hardware depends on the frequency and types of checks you're doing, as well
as whether or not your in a distributed environment, etc. Many, many
variables. I'd emphasize the implementation of a ramdisk and tweaking the
nagios.cfg to your liking before you went through the trouble of changing
hardware.

A rough estimate... if I had a single-monitoring system running no ocsp
commands checking 91 active services on a two minute interval where the
service check is about as resource intensive as check_ping or check_tcp...
I'd use a p3 500. I have not tested it, but I believe a p3 500 would be
sufficient for a very low latency (under 5 second) service check
execution/update time implementation.

Let me know if you have any questions.

-Jason

----- Original Message ----- 
From: <DTerrell at Delphi-Tech.com>
To: <jlancaster at affinity.com>; <DTerrell at Delphi-Tech.com>;
<thomas.blidung at philips.com>; <nagios-users at lists.sourceforge.net>
Sent: Wednesday, June 18, 2003 10:37
Subject: RE: [Nagios-users] hundreds of procs


> Yes, this is the second e-mail I have gotten to the effect that nagios is
> overloaded, last one I dismissed because the machine didn't appear (to the
> linux standard) to be overloaded.  I have 81 hosts and 91 services being
> passively monitored on this machine.  What would a possible suggestion of
> hardware be?
>
> -----Original Message-----
> From: Jason Lancaster [mailto:jlancaster at affinity.com]
> Sent: Wednesday, June 18, 2003 10:33 AM
> To: DTerrell at Delphi-Tech.com; thomas.blidung at philips.com;
> nagios-users at lists.sourceforge.net
> Subject: Re: [Nagios-users] hundreds of procs
>
>
> In situations I've seen, hundreds of procs means that nagios is not
> processing alerts fast enough. There are three solutions for this.
> - Tweak nagios.cfg (might take a lot of time)
> - Put the status.log on a ramdisk (very easy, everyone should do this)
> - Use a faster cpu.
>
> Often the cpu's won't be overloaded and you may have 98-99% cpu free but
> updates just aren't fast because of one of the above reasons. Then nagios
> just gets stuck in a never-ending queue.
>
> Let me know if you have any questions... I can go into further detail if
> needed.
>
> Jason Lancaster
> Intranet Administrator, Affinity Internet
> (954) 334-8203
> ----- Original Message ----- 
> From: <DTerrell at Delphi-Tech.com>
> To: <thomas.blidung at philips.com>; <nagios-users at lists.sourceforge.net>
> Sent: Wednesday, June 18, 2003 9:54
> Subject: RE: [Nagios-users] hundreds of procs
>
>
> > I've been hammering at it (albeit lightly), but haven't found my
solution
> > yet, if anyone has suggestions, warmly accepted, especially before my
two
> > week vacation starts this Fri ;-)
> >
> > -----Original Message-----
> > From: thomas.blidung at philips.com [mailto:thomas.blidung at philips.com]
> > Sent: Wednesday, June 18, 2003 2:53 AM
> > To: nagios-users at lists.sourceforge.net
> > Subject: [Nagios-users] hundreds of procs
> >
> >
> > Hi to everyone,
> >
> > I just was reading the posting from Dave and his problem "nagios
looping -
> > hundreds of procs"
> >
> > It seems that I got the same problem. Up to now there is a relationship
> > between the frequency of checks an the occurance of many nagios-tasks.
But
> > even if I set the normal_check_interval to al long period (10 minutes)
it
> > happens, that after one or two
> > days there ar up to 200 or more nagios tasks.
> > Is this problem already solved I would like to get the solution.
> >
> > regards
> >    tom
> >
> >
> > Thomas Blidung
> > Philips Research Hamburg
> > Tel. 5078-2838
> >
> >
> >
> >
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>



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