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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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zhuweimin updated HDFS-245:
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Attachment: symlink-0.20.0.patch
this a copy of symLink14.patch for hadoop released version 0.20.0
usage:
put symlink-0.20.0.patch into $HADOOP_HOME
cd $HADOOP_HOME
patch -p0 < symlink-0.20.0.patch
ant jar
mv hadoop-0.20.0-core.jar hadoop-0.20.0-core.jar.bak
cp build/hadoop-0.20.1-dev-core.jar
restart the hadoop system at last
> 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, 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, 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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