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  1. Core Server
  2. SERVER-75144

Investigate performance of $percentile expression

    • Type: Icon: Task Task
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 7.0.0-rc0
    • Affects Version/s: None
    • Component/s: None
    • Labels:
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    • Query Integration
    • Fully Compatible
    • QI 2023-04-17

      A naïve implementation of the expression that feeds one value at a time into an accumulator works but likely can be improved perf-wise. We should consider:

      1. sending the whole input at once rather than each value one by one
      2. not using t-digest for small inputs

            Assignee:
            irina.yatsenko@mongodb.com Irina Yatsenko (Inactive)
            Reporter:
            irina.yatsenko@mongodb.com Irina Yatsenko (Inactive)
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