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  1. Hive
  2. HIVE-7926 long-lived daemons for query fragment execution, I/O and caching
  3. HIVE-9782

LLAP: InStream creation for every row group is expensive

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Details

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • llap
    • llap
    • None
    • None

    Description

      Orc column vector producer should not create InStream for every row group it process. It should instead create InStream once and keep updating the buffers.

      Attachments

        1. HIVE-9782-llap.patch
          150 kB
          Prasanth Jayachandran

        Activity

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            prasanth_j Prasanth Jayachandran
            prasanth_j Prasanth Jayachandran
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            Dates

              Created:
              Updated:
              Resolved: