[Xymon] Most number of hosts

[greg.shea at emc.com]

Hi Michael,

At one point, I had 6115 hosts running from 1 physical Xymon server.  Some tests, specifically WebLogic, I run from a 
separate VM so if the java process hangs, it doesn't affect the main Xymon server.
Physical HW
Dell PE 2950
  2 Xeon 5110 CPUs
  8GB RAM
  2  146GB, 10K RPM SAS (RAID1 root disk)
  2  146GB. 15K RPM SAS (apps & data)
  Red Hat Enterprise Linux AS release 4 (Nahant Update 7)
  Xymon 4.3.4
 
That's all changing now because of the push to virtualize everything, so I used the opportunity to build in some redundancy.
Currently we have 2750 hosts running in this environment and will be migrating the rest of the old server over before EOY.
Primary and standby VMs
  2 Virtual Xeon E7549 CPUs
  8GB RAM
  120GB root disk and 200GB apps disk
  Red Hat Enterprise Linux Server release 5.5 (Tikanga)
  Xymon 4.3.7

Primary and standby external test VMs (WebLogic, custom tests)
  (same as above)


-----Original Message-----
From: xymon-bounces at xymon.com [mailto:xymon-bounces at xymon.com] On Behalf Of Michael Beatty
Sent: Tuesday, May 22, 2012 1:01 PM
To: xymon at xymon.com
Subject: [Xymon] Most number of hosts

Is there any close proximity number available as to how many clients Xymon can handle?  I've seen in the wiki pages that one user is advertising over 10,000 however, that seems to be in a "clustered"
setting.  I see a few more users suggesting over 2,000.  My concern lies in that my plans stand at some where in the middle of that, and also, there really is no gauge as to what hardware and network topology those systems are running. 

My environment will be in the ball park of about 5,000 systems and many of them are on satellite bands with some latency concerns, pings tests come back at around 3 seconds.

I'm hoping to get some confidence that going into this project, I'm not going to be hit with a realization that Xymon simply cannot handle this type of environment.  Its a lot of research and development that I would be flushing down the drain. I do have experience with my previous organization where we monitored about 1500 clients under the Hobbit project.... so I know the capabilities... I just don't know what the boundaries are.


--
Michael Beatty
Sherwin-Williams
IT Analyst/Developer
michael.beatty at sherwin.com
216-515-7374

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