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  1. Core Server
  2. SERVER-86150

Log QuerySolution hash when final plan is chosen

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    • Type: Icon: Improvement Improvement
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 8.0.0-rc0
    • Affects Version/s: None
    • Component/s: None
    • Query Optimization
    • Fully Compatible

      For improved debugability, let's log the hash (at log level 5) of the winning query solution when planning is finished. The log line that might fit best would be 

      {msg: "Winning solution", "attr": {"bestSolution":"FETCH ... "}}

      we could add on the hash as an additional field.

            Assignee:
            alexander.ignatyev@mongodb.com Alexander Ignatyev
            Reporter:
            matt.boros@mongodb.com Matt Boros
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              Created:
              Updated:
              Resolved: