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From Just another UFO mechanic <>
Subject Re: snmp and Nagios
Date Sun, 24 Apr 2005 17:42:52 GMT
Check out this new to the 1.5 JRE this will help with the memory and GC

Fantastic well done SUN

The manager app on tomcat can give you the session data but if you want
the data through a network mgmt tool typically the best way is through
SNMP which you could install a SNMP agent on your machines and then
write scripts that run off you own MIB. Thats quite difficult to do.

How about do wget on the manager app and a bit of perl/sh to parse what
comes out you should be able to put that into a Event LOG in the DB.

On Sun, 2005-04-24 at 17:28, lawrence wrote:
> Hi all,
> New to the tomcat list.
> I have spent the last few days searching the net for ideas on how to monitor tomcat via
> I am trying to gather information like:
> Number of sessions per minute.
> Number of spare threads etc.
> Basically I am trying to get over all health of the tomcat servers(s)
> The trick is, I am trying to trap this information with my monitoring server (Nagios)
so I can alert on it and have all my monitoring in a central location.
> Can anyone give me any pointers, solutions, examples for this? I have not been able to
come up with many Open Source solutions.
> Thanks
> Lawrence.
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