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From "Jakob Homan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-994) Provide methods for obtaining delegation token from Namenode for hftp and other uses
Date Fri, 26 Feb 2010 19:43:27 GMT

    [ https://issues.apache.org/jira/browse/HDFS-994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12838998#action_12838998
] 

Jakob Homan commented on HDFS-994:
----------------------------------

Failed test is known-bad cactus download.  Patch is ready for review.

> Provide methods for obtaining delegation token from Namenode for hftp and other uses
> ------------------------------------------------------------------------------------
>
>                 Key: HDFS-994
>                 URL: https://issues.apache.org/jira/browse/HDFS-994
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Jakob Homan
>            Assignee: Jakob Homan
>         Attachments: HDFS-994-2.patch, HDFS-994-3.patch, HDFS-994.patch
>
>
> In hftp, destination clusters will require an RPC-version-agnostic means of obtaining
delegation tokens from the source cluster. The easiest method is provide a webservice to retrieve
a token over http.  This can be encrypted via SSL (backed by Kerberos, done in another JIRA),
providing security for cross-cluster hftp operations.

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