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  1. Hadoop HDFS
  2. HDFS-755

Read multiple checksum chunks at once in DFSInputStream

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.22.0
    • 0.21.0
    • hdfs-client
    • None
    • Reviewed

    Description

      HADOOP-3205 adds the ability for FSInputChecker subclasses to read multiple checksum chunks in a single call to readChunk. This is the HDFS-side use of that new feature.

      Attachments

        1. alldata-hdfs.tsv
          251 kB
          Todd Lipcon
        2. benchmark.png
          43 kB
          Todd Lipcon
        3. benchmark-8-256.png
          38 kB
          Todd Lipcon
        4. hdfs-755.txt
          4 kB
          Todd Lipcon
        5. hdfs-755.txt
          4 kB
          Todd Lipcon
        6. hdfs-755.txt
          3 kB
          Todd Lipcon
        7. hdfs-755.txt
          2 kB
          Todd Lipcon
        8. hdfs-755.txt
          2 kB
          Todd Lipcon
        9. hdfs-755.txt
          2 kB
          Todd Lipcon

        Issue Links

          is blocked by

          Bug - A problem which impairs or prevents the functions of the product. HADOOP-3205 Read multiple chunks directly from FSInputChecker subclass into user buffers

          • Major - Major loss of function.
          • Closed

          Activity

            People

              tlipcon Todd Lipcon
              tlipcon Todd Lipcon
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              Dates

                Created:
                Updated:
                Resolved: