Uploaded image for project: 'Hive'
  1. Hive
  2. HIVE-6347

ZeroCopy read path for ORC RecordReader

Log workAgile BoardRank to TopRank to BottomVotersWatch issueWatchersCreate sub-taskConvert to sub-taskMoveLinkCloneLabelsUpdate Comment AuthorReplace String in CommentUpdate Comment VisibilityDelete Comments
    XMLWordPrintableJSON

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: 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.

        Attachments

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

        Issue Links

          Activity

          $i18n.getText('security.level.explanation', $currentSelection) Viewable by All Users
          Cancel

            People

            • Assignee:
              gopalv Gopal Vijayaraghavan Assign to me
              Reporter:
              gopalv Gopal Vijayaraghavan

              Dates

              • Created:
                Updated:
                Resolved:

                Issue deployment