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https://issues.apache.org/jira/browse/HADOOP-4044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12638586#action_12638586
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Doug Cutting commented on HADOOP-4044:
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> the local file system will want to support the normal dot-relative symlinks
> but perhaps not the remote one (ie the mounts ).
Internal symlinks are supported automatically by local FS, at least on unix.
And support for remote symlinks on the local FS might be *very* cool. Unix
will gladly let me create symbolics link to anHDFS URI (Try 'ln -s
hdfs://foo/bar foo; ls -l foo'). These cannot be resolved by a unix shell, but
they could by 'bin/hadoop fs -ls', by MapReduce programs etc. One could, e.g.,
keep in one's home directory on unix links to the HDFS directories that one
commonly uses.
> 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, symLink1.patch, symLink4.patch,
> symLink5.patch, symLink6.patch, symLink8.patch, symLink9.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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