AW: monitoring thousands of servers using Nagios

[Hildenbrand, Marcus]

Hi Kerry,

I'm monitoring 3300 servers with 15000 services with all active service checks. This is running on a single 4 x 2.4 GHz AMD Opteron Linux box with 4 GB RAM. Every 5 minutes a ping for all servers is scheduled with also getting network statistics via SNMP. Every 15 minutes other stuff like cpu and mem usage is done. For the Nagios scheduler to be able to handle this traffic you have to modify the file include/config.h.in before compiling Nagios. Set "#define USE_MEMORY_PERFORMANCE_TWEAKS".

The performance of the webinterface is quite good. tac.cgi for example needs about 2-3 seconds to display. But this is only true for Nagios 2.0. Older versions had some problems with large configurations.

Regards Marcus

-----Ursprüngliche Nachricht-----
Von: nagios-users-admin at lists.sourceforge.net [mailto:nagios-users-admin at lists.sourceforge.net] Im Auftrag von Kerry Cox
Gesendet: Montag, 3. Januar 2005 23:57
An: nagios-users at lists.sourceforge.net
Betreff: [Nagios-users] monitoring thousands of servers using Nagios


Has anyone had any experience monitoring thousands of servers in a
data center-type environment using open source tools, specifically
Nagios? I've been using Nagios for some time now, but am concerned
about scalability issues.
We're looking to manage roughly 2000-3000 machines. Is Nagios up to
this task? It needs to be more than a simple ping server. We will need
to be polling all sorts of data off our machines, including SNMP data;
CPU temperature, network load, etc.
Thanks.
KJ


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