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https://issues.apache.org/jira/browse/YARN-5621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15477673#comment-15477673
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Allen Wittenauer commented on YARN-5621:
----------------------------------------

Yup.  Multiple invocations are easily worked around anyway by creating a 
directory structure mapping, similar to what OS package managers have been 
doing for decades.  Doing it that way also allows for input validation, which 
is completely missing from any script-based method.

> Support LinuxContainerExecutor to create symlinks for continuously localized 
> resources
> --------------------------------------------------------------------------------------
>
>                 Key: YARN-5621
>                 URL: https://issues.apache.org/jira/browse/YARN-5621
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Jian He
>            Assignee: Jian He
>         Attachments: YARN-5621.1.patch, YARN-5621.2.patch, YARN-5621.3.patch
>
>
> When new resources are localized, new symlink needs to be created for the 
> localized resource. This is the change for the LinuxContainerExecutor to 
> create the symlinks.



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