How do I query memory for a Java Application?

From: Katerina McLean (Cat_at_nospam.com)
Date: 08/27/04 

Date: Fri, 27 Aug 2004 09:30:26 -0700

I recently inherited a java application that runs within a Tomcat (on a
Linux box). The application hold tons of information - rather than going
to the database. This makes it hard for me to troubleshoot.

What would be the ways I can query the memory? Can I do this from the OS
command line?

Or should I insert the query lines in the java app?

Preferably it would be great to be able to do interactive query - when
the application is running. As some of the data is dynamic - it will be
great to be able to observe the changes.

Thanks for helping me out on this - I am in a major conundrum.

Kat in Seattle

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