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https://issues.apache.org/jira/browse/HDFS-5570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13840665#comment-13840665
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Kihwal Lee commented on HDFS-5570:
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GetDelegationTokenServlet is also used by {{hdfs fetchdt}} command.
> Deprecate hftp / hsftp and replace them with webhdfs / swebhdfs
> ---------------------------------------------------------------
>
> Key: HDFS-5570
> URL: https://issues.apache.org/jira/browse/HDFS-5570
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Haohui Mai
> Assignee: Haohui Mai
> Attachments: HDFS-5570.000.patch
>
>
> Currently hftp / hsftp only provide a strict subset of functionality that
> webhdfs / swebhdfs offer. Notably, hftp / hsftp do not support writes and HA
> namenodes. Maintaining two piece of code with similar functionality introduce
> unnecessary work.
> Webhdfs has been around since Hadoop 1.0 therefore moving forward with
> webhdfs does not seem to cause any significant migration issues.
> This jira proposes to deprecate hftp / hsftp in branch-2 and remove them in
> trunk.
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