[jira] [Created] (HDFS-4692) Use timestamp as the default snapshot name

[Tsz Wo (Nicholas), SZE (JIRA)]

Tsz Wo (Nicholas), SZE created HDFS-4692:
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             Summary: Use timestamp as the default snapshot name
                 Key: HDFS-4692
                 URL: https://issues.apache.org/jira/browse/HDFS-4692
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: namenode
            Reporter: Tsz Wo (Nicholas), SZE
            Assignee: Tsz Wo (Nicholas), SZE


When the snapshot name is missing, use timestamp as the default snapshot name.

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