[jboss-jira] [JBoss JIRA] Commented: (JBMESSAGING-1431) Revisit paged messages during transactions

[Clebert Suconic (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBMESSAGING-1431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12436678#action_12436678 ] 

Clebert Suconic commented on JBMESSAGING-1431:
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We should also sync Persistent messages accordingly (non-transacted). this is a simple fix.

> Revisit paged messages during transactions
> ------------------------------------------
>
>                 Key: JBMESSAGING-1431
>                 URL: https://jira.jboss.org/jira/browse/JBMESSAGING-1431
>             Project: JBoss Messaging
>          Issue Type: Task
>            Reporter: Clebert Suconic
>            Assignee: Clebert Suconic
>             Fix For: 2.0.0 Beta
>
>
> During transactions, a paged message goes towards the memory, while non-paged towards routing.
> If paging goes on and off during long running transactions (waiting an user decision), the message on the transaction could be delivered out of order, as paging was turned on and off during the transaction.
> To fix that we need to find an uniform way.
> The best way probably is to keep everything in memory (but discounting the sizes from PagingManager to avoid an OME) until commit is called.
> The testcase for this should play with turning paging on in the middle of a transaction...  sending a message, turning it of while another consumer produces/consumes messages, sending more messages.. and validating the order.
> The second thread should not be blocked. If we add messages on paging during the transaction we will need to block depage until the commit arrives and that would be a problem when the commit is waiting an user event (click or anything like that) causing long running transactions.

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