Hi Manik, Thanks for the reply! :) You're right: it looks like MVCC is exactly what I need. So I'm looking forward to TreeCache 3.x! :) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4114555#4114555 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4114555