Ahmed Hussein created HDFS-15703:
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             Summary: Don't generate edits for set operations that are no-op
                 Key: HDFS-15703
                 URL: https://issues.apache.org/jira/browse/HDFS-15703
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: namenode
            Reporter: Ahmed Hussein
            Assignee: Ahmed Hussein


[~daryn] reported that setting the owner, group, or permissions to what it 
already is will generate an unnecessary edit. It should not do this to avoid 
performance issues when users unnecessarily run routine jobs to change the 
group and permissions of a project tree.




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