> From: Todd Hivnor [[email protected]]
> I would like to proactively avoid running out of heap
> space. I would like people get a "Server Too Busy"
> message, _before_ the heap is actually exhausted.

> I would rather serve 40 users well than 45 users
> poorly.

Rather than monitor memory, which is subject to GC whims as George points out, 
I'd suggest monitoring the number of sessions in your application - find a 
number of sessions you can live with, keep a (suitably synchronized) counter 
that's incremented and decremented as sessions are created and destroyed, and 
don't start new sessions if that counter is higher than your threshold.

- Peter

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