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  1. Hive
  2. HIVE-5325

Implement statistics providing ORC writer and reader interfaces

    Details

    • Type: New Feature
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.13.0
    • Fix Version/s: 0.13.0
    • Component/s: None

      Description

      HIVE-5324 adds new interfaces that can be implemented by ORC reader/writer to provide statistics. Writer provided statistics is used to update table/partition level statistics in metastore. Reader provided statistics can be used for reducer estimation, CBO etc. in the absence of metastore statistics.

        Attachments

        1. HIVE-5325.1.patch.txt
          143 kB
          Prasanth Jayachandran
        2. HIVE-5325.2.patch.txt
          150 kB
          Prasanth Jayachandran
        3. HIVE-5325.3.patch.txt
          145 kB
          Prasanth Jayachandran
        4. HIVE-5325-java-only.1.patch.txt
          75 kB
          Prasanth Jayachandran
        5. HIVE-5325-java-only.2.patch.txt
          81 kB
          Prasanth Jayachandran
        6. HIVE-5325-java-only.3.patch.txt
          77 kB
          Prasanth Jayachandran

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              • Assignee:
                prasanth_j Prasanth Jayachandran
                Reporter:
                prasanth_j Prasanth Jayachandran
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                Dates

                • Created:
                  Updated:
                  Resolved: