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  1. Hadoop HDFS
  2. HDFS-12943 Consistent Reads from Standby Node
  3. HDFS-13749

Use getServiceStatus to discover observer namenodes

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • HDFS-12943, 3.3.0
    • None
    • None
    • Reviewed

    Description

      In HDFS-12976 currently we discover NameNode state by calling reportBadBlocks as a temporary solution. Here, we'll properly implement this by using HAServiceProtocol#getServiceStatus.

      Attachments

        1. HDFS-13749-HDFS-12943.000.patch
          4 kB
          Chao Sun
        2. HDFS-13749-HDFS-12943.001.patch
          8 kB
          Chao Sun
        3. HDFS-13749-HDFS-12943.002.patch
          20 kB
          Chao Sun
        4. HDFS-13749-HDFS-12943.003.patch
          20 kB
          Chao Sun
        5. HDFS-13749-HDFS-12943.004.patch
          20 kB
          Chao Sun
        6. HDFS-13749-HDFS-12943.005.patch
          20 kB
          Chao Sun
        7. HDFS-13749-HDFS-12943.006.patch
          20 kB
          Chao Sun
        8. HDFS-13749-HDFS-12943.007.patch
          21 kB
          Erik Krogen

        Issue Links

        relates to

        Improvement - An improvement or enhancement to an existing feature or task. HDFS-13814 Remove super user privilege requirement for NameNode.getServiceStatus

        • Minor - Minor loss of function, or other problem where easy workaround is present.
        • Resolved

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            csun Chao Sun
            csun Chao Sun
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            Dates

              Created:
              Updated:
              Resolved:

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