YUBI LEE created HADOOP-15306:

             Summary: HA with QJM guideline might be confused
                 Key: HADOOP-15306
                 URL: https://issues.apache.org/jira/browse/HADOOP-15306
             Project: Hadoop Common
          Issue Type: Bug
          Components: site
    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 use HA and Federation, it can be confused 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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