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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-7430) User and Group mapping are incorrect in docker container
Date Thu, 02 Nov 2017 19:59:00 GMT
Eric Yang created YARN-7430:

             Summary: User and Group mapping are incorrect in docker container
                 Key: YARN-7430
                 URL: https://issues.apache.org/jira/browse/YARN-7430
             Project: Hadoop YARN
          Issue Type: Bug
          Components: security, yarn
            Reporter: Eric Yang
            Priority: Critical

In YARN-4266, the recommendation was to use -u [uid]:[gid] numeric values to enforce user
and group for the running user.  In YARN-6623, this translated to --user=test --group-add=group1.
 The code no longer enforce group correctly for launched process.  

In addition, the implementation in YARN-6623 requires the user and group information to exist
in container to translate username and group to uid/gid.  For users on LDAP, there is no good
way to populate container with user and group information. 

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