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From Jeffrey Janner <>
Subject RE: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)
Date Mon, 15 Apr 2013 22:31:17 GMT
> -----Original Message-----
> From: Christopher Schultz []
> Sent: Sunday, April 14, 2013 5:52 PM
> To: Tomcat Users List
> Subject: Re: Re : Memory leak in Tomcat 6.0.35 ( 64 bit)
> I've had people tell me that I should run with the biggest heap I "can
> afford" meaning both financially - 'cause you have to buy a bunch of
> memory - and reasonably within the constraints of the OS (it's not
> reasonably to run a 9.9GiB heap with 10GiB of physical RAM, for
> instance). The reasoning is twofold:
> 1. If you have leaks, they will take a lot more time to blow up.
> (Obviously, this is the opposite of my recommendation, but it's worth
> mentioning as it's a sound argument. I just disagree with the
> conclusion). If you watch the heap-usage profile over time, you can see
> it going up and up and instead of getting an OOME, you can predict when
> it will happen and bounce the server at your convenience.
Chris -
My back-argument to this reasoning is this:

It's fine for the production side in order to maximize uptime while you investigate the cause
of the leaks.
Then I recommend your suggestion for the Dev/Test environment to isolate the cause(s).
Once fixed, bring the production side back to something resembling normality.


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