java performance
http://docs.oracle.com/javase/8/docs/technotes/guides/troubleshoot/index.html
http://docs.oracle.com/javase/8/docs/technotes/guides/troubleshoot/memleaks001.html#CIHCAEIH
https://community.oracle.com/thread/2579717
http://download.oracle.com/technology/products/missioncontrol/updatesites/base/5.2.0/eclipse/
http://www.oracle.com/technetwork/java/javaseproducts/mission-control/index.html