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  1. Core Server
  2. SERVER-15950

Reduce contention on groupCommitMutex in MMAP V1

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    • Type: Icon: Bug Bug
    • Resolution: Done
    • Priority: Icon: Major - P3 Major - P3
    • 2.8.0-rc0
    • Affects Version/s: 2.7.8
    • Component/s: Concurrency

      On insert-only workload (e.g. sysbench first phase), groupCommitMutex shows up as the most congested lock. Attached the Vtune lock profiler output as an evidence

        1. vtune_profiler_groupcommit.png
          vtune_profiler_groupcommit.png
          432 kB

            Assignee:
            mathias@mongodb.com Mathias Stearn
            Reporter:
            davide.italiano Davide Italiano
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              Created:
              Updated:
              Resolved: