On Sep 7, 2013, at 11:31 AM, Ralf Buschermöhle wrote: > I just tried the code - but since I am not working on the current SVN branch and I changed some things in the code for my analysis I roughly adapted some things. > > Nevertheless I noticed > > a.) Connects and Disconnects are fast > b.) the threadpool tends to get larger (and larger) ... and the threads are not reused? ... I attached two thread dumps > b.1.) after a few hundred connects and disconnects with (no slave connected then dumping the threads) There were some bugs in performing joins. Try this version.