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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9055) WebHDFS REST v2
Date Tue, 15 Sep 2015 02:21:49 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9055?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14744701#comment-14744701
] 

Allen Wittenauer commented on HDFS-9055:
----------------------------------------

bq. A big part of the goal of webhdfs is to support distCp between clusters on different major
versions of Hadoop. 

A big part, but not the only goal.  I want to address the command and control goal.  WebHDFS
is severely lacking. Even though we have a proxy server that speaks the exact same protocol
and could offload the work, everyone is too focused on the NN to make this conversation viable.

Probably better to fork the proxy into something different to give ops teams the capabilities
they want, using protocols they want, and close this as won't fix.

> WebHDFS REST v2
> ---------------
>
>                 Key: HDFS-9055
>                 URL: https://issues.apache.org/jira/browse/HDFS-9055
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: webhdfs
>    Affects Versions: 3.0.0
>            Reporter: Allen Wittenauer
>
> There's starting to be enough changes to fix and add missing functionality to webhdfs
that we should probably update to REST v2.  This also gives us an opportunity to deal with
some incompatible issues.



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