http://blog.csdn.net/gtuu0123/article/details/6056758
备用jstack, jstat, jmap, jinfo, 教你如何在背后偷窥你的进程^^
http://www.cnblogs.com/alipayhutu/archive/2012/08/20/2647353.html
http://blog.csdn.net/gtuu0123/article/details/6056758
http://www.cnblogs.com/alipayhutu/archive/2012/08/20/2647353.html