RE: [Mc4j-development] How to use mc4j to monitor JBoss server CPU and threadings?

[Gregory H. <gh...@sa...>]

There are properties for the active thread count and amount of free memory available. These are available on the MBean called [jboss.system:type=ServerInfo]. You can browse down to this bean, open its attributes and then right click on one to create a graph of it (multi-select / right click to create compound graphs).


As for the rest, I am not sure of JMX support for the threads of tomcat or the number of sessions. I know they're working on broader support and you can compile tomcat with JMX support these days, but I don't see much in the default jboss-tomcat integration.



-----Original Message-----
From: Keith Cheng [mailto:mr...@ya...] 
Sent: Monday, May 12, 2003 6:23 AM
To: mc4...@li...
Subject: [Mc4j-development] How to use mc4j to monitor JBoss server CPU and threadings?

Hi all,

I am new to JBoss/JMX and my client requires to monitor the JBoss in great
details such as CPU usage, threading in JBoss/Tomcat, how many
HttpProcessors(tomcat) have been created, how many active session etc.

Then I found mc4j and it seems very good for us.  I know that I have to write
some specific monitor/jmx but when I look at the "screen-shot", I found that
there are 2 "graphical" monitors showing "FreeMemory" and "ActiveThreadCount". 
They are very good examples for us to show our clients the ability of
JBoss/JMX.

Can anyone tell me how to config the mc4j to show these 2 monitors?  I have
downloaded the latest mc4j and connect to my JBoss but unable to create
anything looks like the "screen-shot".  Are the "FreeMemory" and
"ActiveThreadCount" provided by JBoss by default?

I am using the "jboss-3.0.4_tomcat-4.1.12".

Thx in advance.

Regards,
-- Keith Cheng


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