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  1. Core Server
  2. SERVER-36291

Severe Performance regression from 3.4 to 3.6 w/ faulty logging or secondaryPreferred query

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Done
    • Affects Version/s: 3.6.6
    • Fix Version/s: None
    • Component/s: Performance
    • Labels:
      None
    • Operating System:
      ALL
    • Sprint:
      Tracking Sprint

      Description

      When running our systems on 3.6 vs 3.4 with the exact same data, we're seeing intermittent slowness happening with slow queries logging as secondaryPreferred, while not a single one of our queries is a against a secondary. We only do primaryPreferred queries.

       

      See my attachments SERVER-34518

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