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  1. WiredTiger
  2. WT-3158

Fix structure layout on Windows.

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • WT2.9.2, 3.2.15, 3.4.5, 3.5.8
    • None
    • None
    • Storage 2017-04-17, Storage 2017-05-08, Storage 2017-05-29

    Description

      The automated performance testing on Windows has shown a performance change correlated with a recent update of WiredTiger into MongoDB master branch.

      The job showing the change is:
      http://build.wiredtiger.com:8080/job/mongodb-perf-ycsb-windows

      The particular build that triggered the change is:
      http://build.wiredtiger.com:8080/job/mongodb-perf-ycsb-windows/975/

      Which included https://github.com/mongodb/mongo/commit/c91b93d2786342505fd9e151c8aa6b68ee03a1fb for the first time.

      It was the small documents job that shows a regression, the standard and large document workloads don't show a performance change. All small document runs are slower.

      The 80r/20u job had a throughput of ~35k ops/sec up to build 972, builds 973 and 974 throughput was ~30k ops/sec, from build 975 throughput fell to 12.5k ops/sec.

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              david.hows David Hows
              alexander.gorrod@mongodb.com Alexander Gorrod
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                Created:
                Updated:
                Resolved: