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