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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3592) libhdfs should use ClientProtocol::rename2
Date Mon, 18 Aug 2014 19:29:19 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Colin Patrick McCabe updated HDFS-3592:
---------------------------------------

    Status: Patch Available  (was: Open)

> libhdfs should use ClientProtocol::rename2
> ------------------------------------------
>
>                 Key: HDFS-3592
>                 URL: https://issues.apache.org/jira/browse/HDFS-3592
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 2.0.0-alpha, 3.0.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>            Priority: Minor
>             Fix For: 3.0.0, 2.6.0
>
>         Attachments: HDFS-3592.001.patch
>
>
> It would be nice if libhdfs exposed rename2.  This version of rename is much more verbose
about any errors that occur-- it throws AccessControlException, FileAlreadyExists, FileNotFoundException,
ParentNotDirectoryException, etc.
> The original rename returns false in many distinct cases, making it ambiguous exactly
what the problem was.
> For something like fuse_dfs, it is very important to return the correct errno code when
an error has occurred.  rename2 would allow us to do that.



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