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https://issues.apache.org/jira/browse/YARN-3834?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14595253#comment-14595253
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Xuan Gong commented on YARN-3834:
---------------------------------

Committed into trunk/branch-2. Thanks, Chris

> Scrub debug logging of tokens during resource localization.
> -----------------------------------------------------------
>
>                 Key: YARN-3834
>                 URL: https://issues.apache.org/jira/browse/YARN-3834
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager
>    Affects Versions: 2.7.1
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>             Fix For: 2.8.0
>
>         Attachments: YARN-3834.001.patch
>
>
> During resource localization, the NodeManager logs tokens at debug level to 
> aid troubleshooting.  This includes the full token representation.  Best 
> practice is to avoid logging anything secret, even at debug level.  We can 
> improve on this by changing the logging to use a scrubbed representation of 
> the token.



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