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https://issues.apache.org/jira/browse/HDFS-5570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13957017#comment-13957017
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Kihwal Lee commented on HDFS-5570:
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bq. Since the users can easily use curl to get the delegation token through
webhdfs API, the v9 patch no longer supports specifying webservice url, instead
it gets the token using the RPC client. We can add this functionality back if
needed.
Unless there is a strong compelling reason, please keep fetchdt compatible.
> 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, HDFS-5570.001.patch,
> HDFS-5570.002.patch, HDFS-5570.003.patch, HDFS-5570.004.patch,
> HDFS-5570.005.patch, HDFS-5570.006.patch, HDFS-5570.007.patch,
> HDFS-5570.008.patch, HDFS-5570.009.patch, HDFS-5570.010.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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