[jboss-jira] [JBoss JIRA] Updated: (JBMESSAGING-629) Unneccessary puts in message store

Wed Mar 14 00:31:20 EDT 2007

     [ http://jira.jboss.com/jira/browse/JBMESSAGING-629?page=all ]

Ovidiu Feodorov updated JBMESSAGING-629:
----------------------------------------

    Fix Version/s: Unscheduled
                       (was: 1.2.1)

> Unneccessary puts in message store
> ----------------------------------
>
>                 Key: JBMESSAGING-629
>                 URL: http://jira.jboss.com/jira/browse/JBMESSAGING-629
>             Project: JBoss Messaging
>          Issue Type: Task
>    Affects Versions: 1.0.1.GA, 1.2.0.Alpha1
>            Reporter: Tim Fox
>         Assigned To: Tim Fox
>             Fix For: Unscheduled
>
>   Original Estimate: 4 days
>  Remaining Estimate: 4 days
>
> We are currently executing unnecessary puts into the message store on the primary execution path of message routing.
> When a new message arrives - it is first added to the message store. The message is only ever retrieved from the message store if a reference is loaded from paging and we want to make sure we do not have more than once instance in memory at once.
> The first put is therefore unnecessary and will have some performance implications. Also message store is currently a synchronization bottleneck so this should aid concurrency. Messages should only be added to the message store (if necessary) when they are paged to storage

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