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  1. Hadoop HDFS
  2. HDFS-11898

DFSClient#isHedgedReadsEnabled() should be per client flag

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Details

    • Bug
    • Status: Patch Available
    • Major
    • Resolution: Unresolved
    • None
    • None
    • hdfs-client
    • None

    Description

      DFSClient#isHedgedReadsEnabled() returns value based on static HEDGED_READ_THREAD_POOL.
      Hence if any of the client initialized this in JVM, all remaining client reads will be going through hedged read itself.
      This flag should be per client value.

      Attachments

        1. HDFS-11898-02.patch
          4 kB
          Vinayakumar B
        2. HDFS-11898-01.patch
          4 kB
          Vinayakumar B

        Issue Links

          is depended upon by

          Bug - A problem which impairs or prevents the functions of the product. HDFS-11708 Positional read will fail if replicas moved to different DNs after stream is opened

          • Critical - Crashes, loss of data, severe memory leak.
          • Resolved
          relates to

          Bug - A problem which impairs or prevents the functions of the product. HDFS-11900 Hedged reads thread pool creation not synchronized

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              vinayakumarb Vinayakumar B
              vinayakumarb Vinayakumar B
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              Dates

                Created:
                Updated: