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  1. Hadoop Common
  2. HADOOP-10778

Use NativeCrc32 only if it is faster

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Details

    • Improvement
    • Status: Patch Available
    • Major
    • Resolution: Unresolved
    • None
    • None
    • util

    Description

      From the benchmark post in this comment, NativeCrc32 is slower than java.util.zip.CRC32 for Java 7 and above when bytesPerChecksum > 512.

      Attachments

        1. c10778_20140717.patch
          19 kB
          Tsz-wo Sze
        2. c10778_20140702.patch
          20 kB
          Tsz-wo Sze

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              szetszwo Tsz-wo Sze
              szetszwo Tsz-wo Sze
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                Created:
                Updated: