Threads allocated in ActiveMQ and options

I found a very nice post about threads allocated in ActiveMQ consumer, broker and producer. http://fusesource.com/wiki/display/ProdInfo/Understanding+the+Threads+Allocated+in+ActiveMQ

In the testing I did, Connection is really created in a new thread. Session part I am not sure. Do not know how to test it. OnMessage() always comes to same thread (different with connection thread). It is wired