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  1. Core Server
  2. SERVER-20609

Performance Regression from 3.0.6 for Mongo-Perf Commands.CountsFullCollection

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    • Type: Icon: Bug Bug
    • Resolution: Done
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: None
    • Component/s: Performance
    • Fully Compatible
    • ALL
    • Platform B (10/30/15), Platform C (11/20/15)

      15% (MMAP) - 20% (wiredTiger) regression on Commands.CountsFullCollection from 3.0.6

      Regression occurs somewhere between 3.1.3 and 3.1.4 in both cases.
      MMAP results
      WiredTiger results

      Simple repro in the shell: 

      benchRun({"ops":[{"op":"command","ns":"test0","command":{"ping":1},"safe":false,"w":0,"j":false,"writeCmd":true}],"seconds":5,"host":"127.0.0.1:27017","parallel":1} )

            Assignee:
            adam.midvidy Adam Midvidy
            Reporter:
            david.daly@mongodb.com David Daly (Inactive)
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              Created:
              Updated:
              Resolved: