Java 6u25 released

Two new operations in ThreadingMBean
 - getThreadCPUTime - over threadID array
 - getThreadAllocateBytes - allocated bytes on thread basis 

http://www.oracle.com/technetwork/java/javase/6u25releasenotes-356444.html

- Tiered compilation is in...

HotSpot diagnostic information has been expanded in several ways:

• Tracking of cumulative Java heap bytes allocated on a per-thread basis (Threading mbean was added an operation getThreadAllocateBytes
• 
  
• On OutOfMemoryError, indication of the faulting thread in the heap dump
• Improved handling of unexpected exceptions in application native code
• Better indication of native heap exhaustion
• More details in hs_err files

On JDK 7 G1 enables compressed Oops by default

Didn't understand why CompressedOops are not enabled by default....
Take a look at this
http://mail.openjdk.java.net/pipermail/hotspot-gc-dev/2011-February/002312.html