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https://issues.apache.org/jira/browse/HDFS-245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eli Collins updated HDFS-245:
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Attachment: symlink20-common.patch
symlink20-hdfs.patch
Here are patches that combine Dhruba's latest symlink patch with the delta I
posted that implements the API changes (modulo incorporating feedback from
Dhruba like removing isLink in FileContext since isFile/isDirectory will be
deprecated), adds more tests, and resolves merge conflicts. It passes test-core
on both repos. I'm adding more tests but thought I'd ping the JIRA in case
there's any additional feedback.
> Create symbolic links in HDFS
> -----------------------------
>
> Key: HDFS-245
> URL: https://issues.apache.org/jira/browse/HDFS-245
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: dhruba borthakur
> Assignee: dhruba borthakur
> Attachments: 4044_20081030spi.java, designdocv1.txt, designdocv2.txt,
> HADOOP-4044-strawman.patch, symlink-0.20.0.patch, symLink1.patch,
> symLink1.patch, symLink11.patch, symLink12.patch, symLink13.patch,
> symLink14.patch, symLink15.txt, symLink15.txt, symlink16-common.patch,
> symlink16-hdfs.patch, symlink16-mr.patch, symlink17-common.txt,
> symlink17-hdfs.txt, symlink18-common.txt, symlink19-common-delta.patch,
> symlink19-common.txt, symlink19-common.txt, symlink19-hdfs-delta.patch,
> symlink19-hdfs.txt, symlink20-common.patch, symlink20-hdfs.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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