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https://issues.apache.org/jira/browse/MAPREDUCE-2659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13063585#comment-13063585
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Mahadev konar commented on MAPREDUCE-2659:
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Robert,
I think we can skip this for 0.23.0. This would be a nice to have but not
really a must have for 0.23.
> MR-279: ShuffleHandler should use Protocol Buffers for ServiceData
> ------------------------------------------------------------------
>
> Key: MAPREDUCE-2659
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2659
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Robert Joseph Evans
> Assignee: Robert Joseph Evans
> Fix For: 0.23.0
>
>
> Auxiliary Services (Specifically ShuffleHandler) should use ProtocolBuffers
> for storing/retrieving data in the ByteBuffer. Right now there are TODOs to
> have the format include a version number, but if we want true wire
> compatibility we should use the same system we are using elsewhere in the
> code for messages, not something invented as we go along.
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