[Xymon] Big Environment

Brand, Thomas R. Thomas.Brand at CVSCaremark.com
Tue Oct 4 16:12:57 CEST 2011


I have 7363 hosts being monitored in my environment.
Tue Oct 4 10:05:58 2011

Statistics:

 Hosts                      :  7363

OS: SuSE Linux Enterprise v11.0

I found network I/O a challenge, and had to set up a bbproxy server and split the ping test over two Xymon servers, each server handling about ½ the load. Time spent on ping tests (on each server) is about 170 seconds.

Proxy statistics
Incoming messages        :    3332629 (48 msgs/second)
Outbound messages        :    1778658


The disk i/o with this many hosts is also difficult - at least on my hardware (IBM x225 server).
I also disabled [hostdata] in hobbitlaunch.cfg - my systems could not keep up with the i/o.

I cut down on message traffic by using a the 'ignore' and 'trigger' capability of the logfile checker in
client-local.cfg, thereby filtering at the client; eg:
log:/var/log/daemon.log:4096
   ignore (upsd.*: Set variable|apcsmart.*enum |dhcpd: |xinetd.*: |squid.*: |ntpd.*: |Connection from |logged out)
   trigger shutdown




From: xymon-bounces at xymon.com [mailto:xymon-bounces at xymon.com] On Behalf Of Josh Luthman
Sent: Tuesday, October 04, 2011 8:29 AM
To: Gautier Begin
Cc: xymon at xymon.com
Subject: Re: [Xymon] Big Environment

I saw a ~7250 host quickly scrolling through it

http://en.wikibooks.org/wiki/System_Monitoring_with_Xymon/User_Guide/The_Xymon_Users_list

Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373

On Tue, Oct 4, 2011 at 8:24 AM, Gautier Begin <gbegin at csc.com<mailto:gbegin at csc.com>> wrote:
Hello,

I'm planning to use XYMON with a big amount of clients: 1000 and then 4000.

Is it possible ?
Are there some tipps and limitations to know ?

Cordialement, Regards,Mit freundlichen Grüßen,

Gautier BEGIN

Admin and Tools Team
CSC Computer Sciences Luxembourg S.A.
12D Impasse Drosbach
L-1882 Luxembourg

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