Hi, Christopher.   Thanks for your reply.  This is a typical hour on any given 
day.  What other things should I be looking at in Tomcat and Java?  I've got 
plenty of metrics from other parts of the operating system.

I've got my on the JVM memory metrics that come from the Tomcat status page as 
well.  If I'm not mistaken, these numbers represent JVM memory fluctuations and 
relate to garbage collection routines.

-----Original Message-----
From: Christopher Schultz [mailto:[EMAIL PROTECTED] 
Sent: Thursday, March 06, 2008 9:10 AM
To: Tomcat Users List
Subject: Re: Tomcat Status Metrics: RRDTool Graph: Analysis

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David,

David Smithson wrote:
| I was wondering if
| someone could have a look at [the graph] and tell me if I can
| conclude that the performance directives in server.xml do not need to be
| modified.

That depends on your target performance. If you wanted an average of 1
active thread, you have failed ;)

| To me, this graph says that there are very few active Tomcat
| threads

That is true for this particular hour. Is this a representative sample?

| and that there is no reason to go mucking around with the
| settings in Tomcat server.xml.  Is this a fair analysis?

It does not appear that you need more threads for any reason. Remember,
there are lots of other things you can tweak besides the thread pool
parameters.

- -chris

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