"gary.c.chen" wrote : As you said, Database that persistent manager processes is bottleneck. | Actually I said the *network* would be a bottleneck, but yes the database would probably be a bottleneck too. anonymous wrote : | Is there any method can improve performance of the traffic between jms queue and persistent db? | The connection to the database is handled by the database product not by JBM. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4159303#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...