On Wed, Feb 10, 2010 at 12:26:42PM -0800, Jordan Michaels wrote:
> Yeah, it's hanging permanently. We've let it sit there for what... 15 
> mins or so? Which should be plenty since no one is using it right now 
> except us.

Maybe, maybe not.  Did you monitor CPU and memory utilization, I/O
load and I/O wait time on the server during one of these spells?  I've
seen a certain web browser get hold of some badly-written script or
something, spend *minutes* blowing up to a huge size while running
100% of CPU the whole time with the UI completely unresponsive, then
give all that memory back and continue as if nothing had happend.
Maybe you've found a way to do something similar with Tomcat, but it
takes 16 minutes to cycle.

Just waiting until you think it's been long enough is not a very
strong test.  What's it doing while you wait? is a question you need
to consider.

-- 
Mark H. Wood, Lead System Programmer   mw...@iupui.edu
Friends don't let friends publish revisable-form documents.

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