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  1. Hadoop HDFS
  2. HDFS-15032

Balancer crashes when it fails to contact an unavailable NN via ObserverReadProxyProvider

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      Description

      When trying to run the Balancer using ObserverReadProxyProvider (to allow it to read from the Observer Node as described in HDFS-14979), if one of the NNs isn't running, the Balancer will crash.

        Attachments

        1. debugger_with_tostring.png
          109 kB
          Erik Krogen
        2. debugger_without_tostring.png
          172 kB
          Erik Krogen
        3. HDFS-15032.000.patch
          5 kB
          Erik Krogen
        4. HDFS-15032.001.patch
          5 kB
          Erik Krogen
        5. HDFS-15032.002.patch
          7 kB
          Erik Krogen
        6. HDFS-15032.003.patch
          7 kB
          Erik Krogen
        7. HDFS-15032.004.patch
          7 kB
          Erik Krogen
        8. HDFS-15032.005.patch
          6 kB
          Erik Krogen

          Issue Links

          is broken by

          Sub-task - The sub-task of the issue HDFS-14162 Balancer should work with ObserverNode

          • Major - Major loss of function.
          • Resolved
          is related to

          Improvement - An improvement or enhancement to an existing feature or task. HDFS-14979 [Observer Node] Balancer should submit getBlocks to Observer Node when possible

          • Major - Major loss of function.
          • Resolved

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              • Assignee:
                xkrogen Erik Krogen
                Reporter:
                xkrogen Erik Krogen
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                Dates

                • Created:
                  Updated:
                  Resolved: