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Posted to mapreduce-issues@hadoop.apache.org by "Robert Joseph Evans (JIRA)" <ji...@apache.org> on 2011/07/20 20:34:57 UTC

[jira] [Updated] (MAPREDUCE-2659) MR-279: ShuffleHandler should use Protocol Buffers for ServiceData

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2659?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Joseph Evans updated MAPREDUCE-2659:
-------------------------------------------

    Attachment: MR-2659-preview.patch

This is just a preview to hold the work I have done on this so far. It includes work for MAPREDUCE-2652 because it has a similar problem that I also fixed.

> 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
>
>         Attachments: MR-2659-preview.patch
>
>
> 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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