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  1. Core Server
  2. SERVER-69968

Exponential backoff for FilterNodes with Boolean expressions

    • Type: Icon: Task Task
    • Resolution: Duplicate
    • Priority: Icon: Major - P3 Major - P3
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    • Affects Version/s: None
    • Component/s: None
    • Query Optimization

      Currently, for simplicity, FilterNodes that express a boolean expression use multiplication to compute selectivity (seeĀ 
      EvalFilterSelectivityTransport::conjunctionSel, EvalFilterSelectivityTransport::disjunctionSel).
      This task should apply exponential backoff to Boolean expressions. One possible simplification is to apply that only to each pair of conjuncts - then it won't be needed to record the estimates of all conjuncts/disjuncts at each level of the expression nesting.

            Assignee:
            backlog-query-optimization [DO NOT USE] Backlog - Query Optimization
            Reporter:
            timour.katchaounov@mongodb.com Timour Katchaounov
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              Created:
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