posted by SpringSource on April 7, 2010 01:55 PM

64bit operating systems are very common for Tomcat deployments today, while 32-bit JVMs are still used with these OSes.

There is absolutely no risk moving to such a platform.  64bit JVMs are also common, but are only used when the applications require lots of memory space, to go over the 32bit memory barrier

Moving Tomcat to either 

• OS/64 JVM/64 or
• OS/64 JVM/32

is not an issue. It has been proven in numerous enterprise environments.

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