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  1. Hadoop HDFS
  2. HDFS-8008

Support client-side back off when the datanodes are congested

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 2.8.0, 3.0.0-alpha1
    • hdfs-client
    • None
    • Reviewed

    Description

      HDFS-7270 introduces the mechanism for DataNode to signal congestions. DFSClient should be able to recognize the signals and back off.

      Attachments

        1. HDFS-8008.000.patch
          9 kB
          Haohui Mai
        2. HDFS-8008.001.patch
          9 kB
          Haohui Mai
        3. HDFS-8008.002.patch
          9 kB
          Haohui Mai
        4. HDFS-8008.003.patch
          9 kB
          Haohui Mai

        Issue Links

          causes

          Bug - A problem which impairs or prevents the functions of the product. HDFS-16293 Client sleeps and holds 'dataQueue' when DataNodes are congested

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

          Improvement - An improvement or enhancement to an existing feature or task. HDFS-7270 Add congestion signaling capability to DataNode write protocol

          • Major - Major loss of function.
          • Closed

          Activity

            People

              wheat9 Haohui Mai
              wheat9 Haohui Mai
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              Dates

                Created:
                Updated:
                Resolved: