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https://issues.apache.org/jira/browse/YARN-7782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16335844#comment-16335844
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Shane Kumpf commented on YARN-7782:
-----------------------------------
Thanks for the patch, [~eyang]! I have validated that the patch does fix the
issue with enabling the user remapping feature by default. +1 (non-binding).
> Enable user re-mapping for Docker containers in yarn-default.xml
> ----------------------------------------------------------------
>
> Key: YARN-7782
> URL: https://issues.apache.org/jira/browse/YARN-7782
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: security, yarn
> Affects Versions: 2.9.0, 3.0.0
> Reporter: Eric Yang
> Assignee: Eric Yang
> Priority: Blocker
> Fix For: 3.0.0, 3.1.0, 2.10.0, 2.9.1
>
> Attachments: YARN-7782.001.patch
>
>
> In YARN-4266, the recommendation was to use -u [uid]:[gid] numeric values to
> enforce user and group for the running user. In YARN-7430, the user remapping
> is default to true, but yarn-default.xml is still set to false.
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