1) Persistence anonymous wrote : I want to see some work done on the persistence layer, in particular | the equivalent of these tasks for JBossMQ: | http://jira.jboss.com/jira/browse/JBMQ-12 | http://jira.jboss.com/jira/browse/JBMQ-11 | These will be the most important aspects for performance and scalability | and they can't just be bolted on later without proper consideration of | how they should be plugged in.
The persistence support was only briefly addressed so far. Everything related to persistence is "hidden" behind the MessageStore and AcknowledgmentStore interfaces. I expect that their implementation will delegate the persistence work to a PersistenceManager, which will the subject of various optimizations. I created a new JIRA task for that: http://jira.jboss.com/jira/browse/JBMESSAGING-18. It contains the initial specifications (JBMQ-11 and JBMQ-12). The corresponding forum thread is http://www.jboss.com/index.html?module=bb&op=viewtopic&t=59084 2) MessageCache The MessageStore functions as a MessageCache too. It first caches the messages in memory and/or reliably store if necessary. When I will detail the implemetation of the MessageStore, this will become more obvious. See "MessageStore/AcknowledgmentStore" section in the core design document: http://www.jboss.org/wiki/Wiki.jsp?page=JBossMessagingCore 3) Message Ordering Good point. http://jira.jboss.com/jira/browse/JBMESSAGING-19 4) Errors and Logging What I usually do is that I use DEBUG statements for logging life-cycle related operations and TRACE for logging individual requests. I will sprinkle them around more liberally. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=3862963#3862963 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=3862963 ------------------------------------------------------- This SF.Net email is sponsored by: IntelliVIEW -- Interactive Reporting Tool for open source databases. Create drag-&-drop reports. Save time by over 75%! Publish reports on the web. Export to DOC, XLS, RTF, etc. Download a FREE copy at http://www.intelliview.com/go/osdn_nl _______________________________________________ JBoss-Development mailing list JBoss-Development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jboss-development
