Daryn Sharp created HDFS-9017:
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             Summary: UI shows wrong last contact for dead nodes
                 Key: HDFS-9017
                 URL: https://issues.apache.org/jira/browse/HDFS-9017
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 2.6.0
            Reporter: Daryn Sharp
            Priority: Minor


It's showing the last contact as the restart of the NN host (not process, 
host).  Presumably it's using monotonic time 0.  Ideally last contact for nodes 
that never connected would be "never" instead of the epoch or boot time.



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