[olug] Allocating 3GB of memory for the JVM?

Sean Kelly smkelly at zombie.org
Mon Feb 11 22:29:09 UTC 2008

I found this when looking for a page to validate what I already thought. It
looks helpful and is in line with what I remember.


On Mon, Feb 11, 2008 at 04:01:22PM -0600, Ryan Stille wrote:
> On Windows, there is a 2GB limit on contiguous memory allocation.  I 
> can't start my Jrun J2EE server and allocate it more than 1.5GB or so.
> Is there such a limitation on Linux? (32 bit CentOS)  We're considering 
> switching one of our severs if we can easily allocate 3GB or so, without 
> resorting to any 64-bit hassles.
> -Ryan
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Sean Kelly          | PGP KeyID: D2E5E296
smkelly at smkelly.org | http://www.smkelly.org

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