[jira] Created: (HDFS-1560) dfs.data.dir permissions should default to 700

[Todd Lipcon (JIRA)]

dfs.data.dir permissions should default to 700
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                 Key: HDFS-1560
                 URL: https://issues.apache.org/jira/browse/HDFS-1560
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: data-node
    Affects Versions: 0.22.0, 0.23.0
            Reporter: Todd Lipcon
            Assignee: Todd Lipcon
            Priority: Minor


Currently, dfs.data.dir defaults to 755 permissions, which isn't necessary for 
any reason, and is a security issue if not changed on a secured cluster. We 
should default to 700

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