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  1. Hive
  2. HIVE-11315 Compilation performance issues for large queries
  3. HIVE-11671

Optimize RuleRegExp in DPP codepath

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Details

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 1.3.0, 2.0.0
    • None
    • None

    Description

      When running a large query with DPP in its codepath, RuleRegExp came up as hotspot. Creating this JIRA to optimize RuleRegExp.java.

      Attachments

        1. HIVE-11671.1.patch
          3 kB
          Rajesh Balamohan
        2. mem_without_patch.png
          705 kB
          Rajesh Balamohan
        3. cpu_without_patch.png
          274 kB
          Rajesh Balamohan
        4. mem_with_patch.png
          548 kB
          Rajesh Balamohan
        5. cpu_with_patch.png
          474 kB
          Rajesh Balamohan
        6. HIVE-11671.2.patch
          3 kB
          Hari Sankar Sivarama Subramaniyan

        Activity

          People

            rajesh.balamohan Rajesh Balamohan
            rajesh.balamohan Rajesh Balamohan
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            Dates

              Created:
              Updated:
              Resolved: