Hive
  1. Hive
  2. HIVE-6347

ZeroCopy read path for ORC RecordReader

    Details

    • Type: Bug Bug
    • Status: Resolved
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: tez-branch
    • Fix Version/s: tez-branch
    • Component/s: File Formats
    • Labels:
      None
    • Release Note:
      ZeroCopy readers for the ORC file format

      Description

      ORC can use the new HDFS Caching APIs and the ZeroCopy readers to avoid extra data copies into memory while scanning files.

      Implement ORC zcr codepath and a hive.orc.zerocopy flag.

      1. HIVE-6347.5-tez.patch
        24 kB
        Gopal V
      2. HIVE-6347.4-tez.patch
        26 kB
        Gopal V
      3. HIVE-6347.3-tez.patch
        27 kB
        Gopal V
      4. HIVE-6347.2-tez.patch
        27 kB
        Gopal V
      5. HIVE-6347.1.patch
        26 kB
        Gopal V

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            • Assignee:
              Gopal V
              Reporter:
              Gopal V
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              Dates

              • Created:
                Updated:
                Resolved:

                Development