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  1. Hive
  2. HIVE-9134 Uber JIRA to track HOS performance work
  3. HIVE-9110

Performance of SELECT COUNT(*) FROM store_sales WHERE ss_item_sk IS NOT NULL [Spark Branch]

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • spark-branch
    • 1.1.0
    • Spark
    • None

    Description

      The query 

      SELECT COUNT(*) FROM store_sales WHERE ss_item_sk IS NOT NULL

      could benefit from performance enhancements.

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        Issue Links

          is related to

          Improvement - An improvement or enhancement to an existing feature or task. HIVE-9367 CombineFileInputFormatShim#getDirIndices is expensive

          • Major - Major loss of function.
          • Resolved

          Improvement - An improvement or enhancement to an existing feature or task. HIVE-9372 Parallel checking non-combinable paths in CombineHiveInputFormat

          • Major - Major loss of function.
          • Resolved

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            People

              lirui Rui Li
              brocknoland Brock Noland
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              Dates

                Created:
                Updated:
                Resolved: