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  1. Core Server
  2. SERVER-65929

Unexpected profiling overhead when classical agg runs over SBE find

    • Type: Icon: Bug Bug
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 6.0.0-rc4, 6.1.0-rc0
    • Affects Version/s: None
    • Component/s: None
    • None
    • Fully Compatible
    • ALL
    • v6.0
    • QE 2022-05-02
    • 135

      Even with database profiling disabled, Linux perf profiles still show ScopedTimer and BackgroundThreadClockSource as considerable contributors (depending on the benchmark, their share might be as high as 10%).

      Note: I noticed this when running $lookup benchmarks but the issue might be affecting other types of pipelines as well.

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