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https://issues.apache.org/jira/browse/HADOOP-15528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16532933#comment-16532933
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Steve Loughran commented on HADOOP-15528:
-----------------------------------------
Talk to the YARN people; security matters as much as perf here. If you can show
this is more secure too, expect enthusiasm
> Deprecate ContainerLaunch#link by using FileUtil#SymLink
> --------------------------------------------------------
>
> Key: HADOOP-15528
> URL: https://issues.apache.org/jira/browse/HADOOP-15528
> Project: Hadoop Common
> Issue Type: Sub-task
> Reporter: Giovanni Matteo Fumarola
> Assignee: Giovanni Matteo Fumarola
> Priority: Major
> Attachments: HADOOP-15528-HADOOP-15461.v1.patch,
> HADOOP-15528-HADOOP-15461.v2.patch, HADOOP-15528-HADOOP-15461.v3.patch
>
>
> {{ContainerLaunch}} currently uses its own utility to create links (including
> winutils).
> This should be deprecated and rely on {{FileUtil#SymLink}} which is already
> multi-platform and pure Java.
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