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https://issues.apache.org/jira/browse/HADOOP-8683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chuan Liu resolved HADOOP-8683.
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Resolution: Duplicate
Duplicate of HADOOP-8694
> Create true symbolic links on Windows
> -------------------------------------
>
> Key: HADOOP-8683
> URL: https://issues.apache.org/jira/browse/HADOOP-8683
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 1-win
> Reporter: Chuan Liu
> Assignee: Chuan Liu
> Fix For: 1-win
>
>
> In branch-1-win, we currently copy files for symbolic links in Hadoop on
> Windows. We have talked to [~davidlao] who made the original fix, and did
> some investigation on Windows. Windows began to support symbolic links
> (symlinks) since Vista/Server 2008. The original reason to copy files instead
> of creating actual symlinks is that only Administrators has the privilege to
> create symlinks on Windows _by default_. After talking to NTFS folks, we knew
> the reason for that is mostly due to security, and this default behavior may
> not be changed in near future. Though this behavior can be changed via the
> Local Security Policy management console, i.e. secpol.msc, under Security
> Settings, Local Policies, User Rights Assignment, Create symbolic links. In
> Hadoop, symlinks is mostly used to for DistributedCache and attempted logs.
> We felt the usages are important enough for us to provide true symlinks
> support, and users need to have the symlink creation privilege enabled on
> Windows to use Hadoop. This JIRA is created to tracking symlink support on
> Windows.
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