Ok, so it seems there is nothing to do to reduce memory usage! Anyway, thanks a lot for your help !! View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4095490#4095490 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4095490