SPAM - RE: Nagios is running multiple daemons
Andy Stein
andy at droidmcse.com
Mon Aug 26 16:54:07 CEST 2002
Daniel, Terry & Timo,
I was in the same boat as you with watching the number of processes. I
am currently watching about 300 hosts with approaching 600 service
checks. I am also running router stats and hosting a few very small
databases on my Linux server.
There are some performance tuning options that you can apply. This
helped my memory out greatly. I'm not 100% sure of the ramifications,
but I haven't seen any ill effects from the first one.
Apache defaults to 8 daemons running. I changed this to 2 at work and 1
at home and gained a large amount of memory back.
You can also scale nagios to only run X number of checks at a time.
Depending on your configuration and how often the checks occur, you can
have nagios only perform 50 checks at a time for example.
http://nagios.sourceforge.net/docs/1_0/tuning.html
Check #3 on the list for info on deciding how to scale your checks back.
Hope this helps....
Andy
-----Original Message-----
From: nagios-users-admin at lists.sourceforge.net
[mailto:nagios-users-admin at lists.sourceforge.net] On Behalf Of Rusch,
Daniel
Sent: Monday, August 26, 2002 9:34 AM
To: 'Terry Simons'; Timo Koskela
Cc: nagios-users at lists.sourceforge.net
Subject: SPAM - RE: [Nagios-users] Nagios is running multiple daemons
I posted a similar message a week or so ago and didn't get any response.
On
my system the number of processes running that are owned by nagios
varies
from a half dozen to over 100. I assume that nagios is running
multithreaded and spawning of sub-processes. I have noticed that nagios
will burry the box it is running on and then of course the number of
processes owned by nagios increases dramatically as they pile up. Check
to
see if nagios is over loading your system. I logged uptime and ps -few
|
grep nagios | wc -l every five minutes.
I posted my message to see what a "normal" number of processes should
be,
but received no replies.
Dan
-----Original Message-----
From: Terry Simons [mailto:galimore at mac.com]
Sent: Monday, August 26, 2002 7:13 AM
To: Timo Koskela
Cc: nagios-users at lists.sourceforge.net
Subject: Re: [Nagios-users] Nagios is running multiple daemons
I don't know the reason, but I have seen multiple copies of Nagios
running.
I haven't seen more than two, but it wasn't a parent/child
relationship... there were actually two copies of Nagios running...
I thought that maybe it had something to do with the way that Nagios
parallelizes checks, but maybe not...
Ethan?
- Terry
On Sunday, August 25, 2002, at 11:59 PM, Timo Koskela wrote:
> Hi all,
>
> Has somebody had same problem as I with Nagios. If there is something
> wrong in our LAN where nagios is running, or in firewall, example line
> is cut to outer world Nagios start to run multiple daemons. Like
couple
> days ago when i checked there was about 20 copies of Nagios, and it
> didin't work so well then, but when i killed the main pid, they all
> died. Please let me know if you know the reason...
>
> Timo
> Finland
>
Missing every moment and preparing for the next.
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