-XX:CICompilerCount : is the number of compiler threads to be used.

-XX:ParallelGCThreads :	is the number of garbage collection threads to be used.

-XX:CompileThreshold : is the number of method invocations before compilation or recompilation

-XX:+ServerApp : provides a performance benefit for larger, longer running applications

-XX:+AggressiveHeap : instructs the JVM to push memory use to the limit