"ataylor" wrote : anonymous wrote : Another point also... Making ClientProducerIimpl to use nonBlocking on transacted sends, made those to be much slower on my computer. It is taking about 200 msgs/second against 2000 as it used to be when sending blocking. | | Clebert, I ran these on my machine and the performance was fine! You have to change perfSender a little for this. You have to use it transacted, and you have to make sure you use Persistent Messages. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4151093#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...