Investigate plan quality/stability for TPC-H Q14

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    • Type: Task
    • Resolution: Fixed
    • Priority: Major - P3
    • 9.0.0-rc0
    • Affects Version/s: None
    • Component/s: None
    • None
    • Query Optimization
    • Fully Compatible
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      Seeing some plan oscillations with Q14 scale 0.1. Up to 90% of the time, we pick a really fast plan HJ(lineitem, part) . The rest of the time, we pick a plan that's 20-30x worse INLJ(part, lineitem).

            Assignee:
            Ben Shteinfeld
            Reporter:
            Max Verbinnen
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              Created:
              Updated:
              Resolved: