Change stream sys-perf regression due to SERVER-45691

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    • Query 2020-02-24, Query 2020-03-09, Query 2020-03-23, Query 2020-04-06, Query 2020-04-20
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      While running a performance test for the fix to SERVER-44356, I discovered that a far more significant regression had been introduced by SERVER-45691, which changed Mutex::LockListeners to use a vector.

      Attached is a graph of the regression; the Evergreen task can be found here.

        1. SERVER-45691-regression.png
          SERVER-45691-regression.png
          455 kB
        2. SERVER-45691-throughput.png
          SERVER-45691-throughput.png
          391 kB

              Assignee:
              Bernard Gorman
              Reporter:
              Bernard Gorman
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                Created:
                Updated:
                Resolved: