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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5621) Support LinuxContainerExecutor to create symlinks for continuously localized resources
Date Fri, 09 Sep 2016 17:34:20 GMT

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

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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