"timfox" wrote : | However, using selectors on a *topic* is NOT considered an anti-pattern. Why? This is because the topic subscription will only accept messages that match the selector, therefore you know at consumption time that the subscription only contains matching messages and you don't need to scan anything. | The anti-pattern I'm referring is using selectors to filter Users of a main topic. It would be better to use temporary queues IMO. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4194047#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...