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

Ryan Stille ryan at cfwebtools.com
Mon Feb 11 22:01:22 UTC 2008

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.


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