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# Print computed flags after startup
-XX:+PrintCommandLineFlags

# Memory Configuration
-server -d64                   # switch to 64bit server mode
-Xms4096m                      # Set initial heap sizes
-Xmx4096m                      # Set max heap size
-XX:NewSize=2048m              # Set initial new size to 1/2 the initial heap
-XX:MaxNewSize=2048m           # Specify the max new size, generally allow the JVM to use up to 1/2 the max heap
-XX:MaxGCPauseMillis=250       # GC Pauses up to 250ms aren't bad, have ergonomics try and keep pauses below this level
-XX:+UseConcMarkSweepGC        # Force CMS for the collector
-XX:+CMSIncrementalMode        # Use incremental mode since minor CPU overhead is better than potential pauses. Useful if system has 1 or 2 processors.
-XX:+UseAdaptiveGCBoundary     # Lets the JVM adjust the young/old ratio

#-XX:+UseParNewGC              # ParNewGC is the default when using the CMS collector
-XX:+CMSClassUnloadingEnabled  # Enable perm-gen class unloading (availableneeded with UseConcMarkSweepGC to GC PermGen)

# Set a large enough perm gen.  You can track how much you are using with jvisualvm, jconsole, or looking at the output in gc.log
-XX:PermSize=250m
-XX:MaxPermSize=400m