Chris Nauroth created YARN-3834:

             Summary: Scrub debug logging of tokens during resource 
                 Key: YARN-3834
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: nodemanager
    Affects Versions: 2.7.1
            Reporter: Chris Nauroth
            Assignee: Chris Nauroth

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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