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

Phil Brutsche phil at brutsche.us
Tue Feb 12 05:27:44 UTC 2008

Ryan Stille wrote:
> 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.

*any* OS will have a limit.

*any* 32-bit OS will have a limit in the 2GB to 3GB range.

Except for very very rare kernels 32-bit x86 Linux machines have a
3GB/1GB user/kernel split.

IMO it is inevitable that you switch to a 64-bit OS & JVM


Phil Brutsche
phil at brutsche.us

More information about the OLUG mailing list