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Type: Bug
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Resolution: Works as Designed
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Priority: Major - P3
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None
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Affects Version/s: 3.6.0-rc4
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Component/s: None
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Labels:None
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Environment:darwin Sierra, linux Ubuntu 17.10
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Storage Execution
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ALL
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When running the mongodump integration tests, I noticed a significant performance difference between 3.4.10 replica sets (WT) and 3.6.0-rc4 replica sets (both WT and MMAPv1). On my MBP, the difference was 50% to 100%+. On my 20-core desktop, the difference was ~ 18%. The workloads involved are tiny.