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https://issues.apache.org/jira/browse/HDFS-617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12931148#action_12931148
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Hairong Kuang commented on HDFS-617:
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The problem is that the new client does not work with the old server...I think
in the Hadoop world, we already bump up the version number when there is any
change to the protocol. I do not see why the append branch needs to be
compatible with 0.20.3. We have already broken the compatibility with HDFS-724
etc.
> Support for non-recursive create() in HDFS
> ------------------------------------------
>
> Key: HDFS-617
> URL: https://issues.apache.org/jira/browse/HDFS-617
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs client, name-node
> Affects Versions: 0.20-append
> Reporter: Kan Zhang
> Assignee: Kan Zhang
> Fix For: 0.21.0
>
> Attachments: h617-01.patch, h617-02.patch, h617-03.patch,
> h617-04.patch, h617-06.patch, HDFS-617_20-append.patch
>
>
> HADOOP-4952 calls for a create call that doesn't automatically create missing
> parent directories.
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