sidharta seethana created YARN-2826:
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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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