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  1. Hadoop HDFS
  2. HDFS-8211

DataNode UUID is always null in the JMX counter

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.7.0
    • Fix Version/s: 2.8.0, 3.0.0-alpha1
    • Component/s: datanode
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      The DataNode JMX counters are tagged with DataNode UUID, but it always gets a null value instead of the UUID.

      Hadoop:service=DataNode,name=FSDatasetState*-null*.
      

      This null is supposed be the datanode UUID.

        Attachments

        1. hdfs-8211.002.patch
          4 kB
          Anu Engineer
        2. hdfs-8211.001.patch
          6 kB
          Anu Engineer

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              • Assignee:
                anu Anu Engineer
                Reporter:
                anu Anu Engineer
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                Dates

                • Created:
                  Updated:
                  Resolved: