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From "Raghu Angadi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4044) Create symbolic links in HDFS
Date Mon, 08 Sep 2008 20:53:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12629284#action_12629284
] 

Raghu Angadi commented on HADOOP-4044:
--------------------------------------

We can sort of consider FileSystem to be at similar level as a VFS in Linux. In order to handle
similar extensions in future as well, I think this might be good time for an implementation
to take a object (wrapping arguments) and return a object that contains relevant info. Main
goal is not to require actual implementation API changes when something like this is added.



symlinks need to be handled for file system operations as well... create(), getListing, etc.

> Create symbolic links in HDFS
> -----------------------------
>
>                 Key: HADOOP-4044
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4044
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: dfs
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>         Attachments: symLink1.patch
>
>
> HDFS should support symbolic links. A symbolic link is a special type of file that contains
a reference to another file or directory in the form of an absolute or relative path and that
affects pathname resolution. Programs which read or write to files named by a symbolic link
will behave as if operating directly on the target file. However, archiving utilities can
handle symbolic links specially and manipulate them directly.

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