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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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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Works as Designed
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: Performance
    • Labels:
    • Backwards Compatibility:
      Fully Compatible
    • Operating System:
      ALL
    • Sprint:
      Platform B (10/30/15), Platform C (11/20/15)

      Description

      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} )
      

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              Assignee:
              adam.midvidy Adam Midvidy
              Reporter:
              david.daly David Daly
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                Updated:
                Resolved: