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From Mark Thomas <>
Subject Re: Curious memory usage under Windows Server 2000
Date Sun, 23 Apr 2006 14:02:38 GMT
Richard Toren wrote:
> When I run Tomcat under Windws Server 2000 the Windows Task Manager
> shows an increasing memory usage over time (let's say 2 weeks) despite
> that the
> manager jsp page (server/manager/html) always shows the same usage for
> Tomcat. Also the same Tomcat running under Linux has no memory creep.  I
> can't rule out a memory leak 100% (I'm using Berkeley bdxml which
> requires explicit destruction of instantiations of certain classes), but
> I'm fairly sure I've taken care of this.
> Is the Window Task Manager reliable and if so are there applications I
> could use to track that usage better (eg  better time resolution)

I'd use a profiler to see exactly what is going on. Personally, I use
YourKit but a Google search for Java Profiler should bring up a whole list.


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