Application memory use (original) (raw)
Henri Gomez henri.gomez at gmail.com
Mon Apr 23 02:28:34 PDT 2012
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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
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