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From "Edward J. Yoon (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-461) Extract a Message Service from BSPPeer
Date Mon, 07 Nov 2011 10:55:51 GMT

    [ https://issues.apache.org/jira/browse/HAMA-461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13145336#comment-13145336

Edward J. Yoon commented on HAMA-461:

Even though exception occurs, job is always success. We have to fix. :)
> Extract a Message Service from BSPPeer
> --------------------------------------
>                 Key: HAMA-461
>                 URL: https://issues.apache.org/jira/browse/HAMA-461
>             Project: Hama
>          Issue Type: Improvement
>    Affects Versions: 0.3.0
>            Reporter: Thomas Jungblut
>            Assignee: Thomas Jungblut
>             Fix For: 0.4.0
>         Attachments: HAMA-461_v1.patch, HAMA-461_v2.patch
> There's a problem, that we have more synchronized Collections than we need. localQueueForNextIteration
(or similar name) is the only one which needs to be thread safe. At least only the put method
could be synchronized, because reads does not need to be threadsafe.
> So we should refactor our messaging system from the peer itself. 
> A hint in architecture could give us HAMA-457.
> We have to add a factory which let's the user choice their protocol.

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