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https://issues.apache.org/jira/browse/HADOOP-1567?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dhruba borthakur updated HADOOP-1567:
-------------------------------------

    Status: Patch Available  (was: Open)

> Build version verification on DataNode should be returned back
> --------------------------------------------------------------
>
>                 Key: HADOOP-1567
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1567
>             Project: Hadoop
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.13.0
>            Reporter: Konstantin Shvachko
>            Assignee: dhruba borthakur
>             Fix For: 0.14.0
>
>         Attachments: buildversion.patch
>
>
> HADOOP-1269 removed build version verification from DataNode.handshake() 
> method.
> I think this was done by a mistake.
> Build version consistency of the name-node and data-nodes is an important 
> part of version upgrade.

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