YUBI LEE created HDFS-13260:

             Summary: HA with QJM guideline might be confusing
                 Key: HDFS-13260
                 URL: https://issues.apache.org/jira/browse/HDFS-13260
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: documentation
    Affects Versions: 2.7.1
            Reporter: YUBI LEE

In an HA with QJM guideline, I think the word "dfs.namenode.shared.edits.dir" 
is not enough. If someone uses HA and Federation, it might be confusing because 
the Journal ID is a unique identifier for one nameservice.

It should be "dfs.namenode.shared.edits.dir.[nameservice ID]"

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