[jboss-jira] [JBoss JIRA] Closed: (JBAS-1339) Persistence Manager Improvements

[Adrian Brock (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBAS-1339?page=all ]

Adrian Brock closed JBAS-1339.
------------------------------

    Resolution: Deferred

Closing features that are (or will be) implemented in JBoss Messaging.
http://jira.jboss.com/jira/browse/JBMESSAGING

If anybody wants to provide a patch that implements these,
the issue can be reopened.

Duplicates of these issues will be closed
unless they provide an implementation/patch.

Patches should first be discussed in the
development forum:
http://www.jboss.com/index.html?module=bb&op=viewforum&f=153
if there isn't already a forum link attached to this issue.

> Persistence Manager Improvements
> --------------------------------
>
>                 Key: JBAS-1339
>                 URL: http://jira.jboss.com/jira/browse/JBAS-1339
>             Project: JBoss Application Server
>          Issue Type: Task
>      Security Level: Public(Everyone can see) 
>          Components: JMS service
>    Affects Versions: JBossAS-4.0.1 Final, JBossAS-3.2.7 Final
>            Reporter: Adrian Brock
>
> There are a number of improvements that can be made to the persistence manager.
> This should really be done by writing a new version that can then be optionally used while
> it is experimental.
> 1) Make use of the datasource mappings - similar what has been done for the EJB timer
> 2) The use of the JTA transaction is unnecessary since we are the only one in the transaction branch. The tranaction still needs suspending so we are isolated from any wrapping transacton.
> 3) Make use of build writes to the database
> This can be used for transactional sessions where multiple messages are processed
> But it could also be used where people want to relax the absolute requirement that
> messages are persisted in return for some performance improvement.
> 4) A general review/rewrite of where the persistence manager is invoked from the
> server with an aim to improve performance.

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