High CPU, possibly due to context switching?

Question

One of our servers is experiencing a very high CPU load with our application. We\'ve looked at various stats and are having issues finding the source of the problem.

One

Answer 1

If you can't profile, I'd recommend taking a thread dump or two and seeing what your threads are doing. Your app doesn't have to stop to do it:

1. http://docs.oracle.com/javase/6/docs/technotes/guides/visualvm/threads.html
2. http://java.net/projects/tda/
3. http://java.sys-con.com/node/1611555