Application memory use

[Henri Gomez]

> Both showed as 64 bit in Activity Monitor.
> This may very well be the largest part of it but the JConsole heap graphs
> looked considerably different between the two applications and the
> information seemed to indicate different methods for gc. I guess I was
> wondering if there is anything we should know about this as well?

64bits Hotspot (6u23 and later) JVMs switch automatically to
Compressed Pointers (-XX:+UseCompressedOops), saving memory.

http://docs.oracle.com/javase/7/docs/technotes/guides/vm/performance-enhancements-7.html