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  1. Hadoop HDFS
  2. HDFS-4595

When short circuit read is fails, DFSClient does not fallback to regular reads

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 2.0.0-alpha
    • 2.1.0-beta
    • hdfs-client
    • None
    • Reviewed

    Description

      In 1.0, when short circuit is disallowed for a user, the DFSClient disables short circuit and falls back to the regular socket based reads over DataTransferProtocol. In release 2.0, this fallback functionality is not working.

      Attachments

        1. HDFS-4595.patch
          20 kB
          Suresh Srinivas
        2. HDFS-4595.patch
          21 kB
          Suresh Srinivas
        3. HDFS-4595.patch
          21 kB
          Suresh Srinivas
        4. HDFS-4595.patch
          22 kB
          Suresh Srinivas

        Issue Links

          is depended upon by

          Sub-task - The sub-task of the issue HBASE-8337 Investigate why disabling hadoop short circuit read is required to make recovery tests pass consistently under hadoop2

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

          Activity

            People

              sureshms Suresh Srinivas
              sureshms Suresh Srinivas
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              Dates

                Created:
                Updated:
                Resolved: