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From "Tellier Benoit (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAILBOX-259) Mailbox Listeners should be asynchronously called.
Date Mon, 02 Nov 2015 13:14:27 GMT

    [ https://issues.apache.org/jira/browse/MAILBOX-259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14985193#comment-14985193
] 

Tellier Benoit commented on MAILBOX-259:
----------------------------------------

Ok, I get your point.

I propose 3 modes :

 - fully synchronous : like today
 - fully asynchronous : enabled by people who do not fear it
 - mixed : the MailboxListener indicates if, by default it wants to be handled as synchronous
or asynchonous. Eg :
      - cache invalidatin and Message Sequence Number handling will be synchronous in mixed
mode
      - Indexation and over costly operations will be done asynchronously in mixed mode

Would it seem more safe to you? Because it will significantly speed things up...

> Mailbox Listeners should be asynchronously called.
> --------------------------------------------------
>
>                 Key: MAILBOX-259
>                 URL: https://issues.apache.org/jira/browse/MAILBOX-259
>             Project: James Mailbox
>          Issue Type: Improvement
>            Reporter: Tellier Benoit
>
> Event handling by Mailbox Listeners might take time.
> For instance indexation, etc...
> This time impact latencies.
> What I propose is to have a ThreadPool executor dedicated to event handling, and schedule
tasks on it, then return before task completion.
> I gonna implement it on top of MAILBOX-211 :-)



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