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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8040) Add symlink support to FileSystem
Date Mon, 24 Jun 2013 22:58:23 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13692502#comment-13692502
] 

Andrew Wang commented on HADOOP-8040:
-------------------------------------

[~harip] I don't think so, since 2.1 is already close to release. Maybe we can get it in for
2.2, but there's also some more follow-on work I want to do here (adding hadoop shell support
for instance).
                
> Add symlink support to FileSystem
> ---------------------------------
>
>                 Key: HADOOP-8040
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8040
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: fs
>    Affects Versions: 0.23.0, 3.0.0, 2.0.3-alpha
>            Reporter: Eli Collins
>            Assignee: Andrew Wang
>         Attachments: hadoop-8040-1.patch, hadoop-8040-2.patch, hadoop-8040-3.patch, hadoop-8040-4.patch,
hadoop-8040-5.patch, hadoop-8040-6.patch, hadoop-8040-7.patch
>
>
> HADOOP-6421 added symbolic links to FileContext. Resolving symlinks is done on the client-side,
and therefore requires client support. An HDFS symlink (created by FileContext) when accessed
by FileSystem will result in an unhandled UnresolvedLinkException. Because not all users will
migrate from FileSystem to FileContext in lock step, and we want users of FileSystem to be
able to access all paths created by FileContext, we need to support symlink resolution in
FileSystem as well, to facilitate migration to FileContext.

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