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From "sidharta seethana (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-2826) User-Group mappings not updated by RM when a user is removed from a group.
Date Fri, 07 Nov 2014 02:19:35 GMT
sidharta seethana created YARN-2826:
---------------------------------------

             Summary: User-Group mappings not updated by RM when a user is removed from a
group.
                 Key: YARN-2826
                 URL: https://issues.apache.org/jira/browse/YARN-2826
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: sidharta seethana
            Priority: Critical


Removing a user from a group isn't reflected in getGroups even after a refresh. The following
sequence fails in step 7. 

1) add test_user to a machine with group1 
2) add test_user to group2 on the machine 
3) yarn rmadmin -refreshUserToGroupsMappings (expected to refresh user to group mappings)

4) yarn rmadmin -getGroups test_user (and ensure that user is in group2) 
5) remove user from group2 on the machine 
6) yarn rmadmin -refreshUserToGroupsMappings (expected to refresh user to group mappings)

7) yarn rmadmin -getGroups test_user (and ensure that user NOT in group2) 




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