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  1. Core Server
  2. SERVER-15344

Make replWriter thread pool size tunable

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Details

    • Improvement
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • 3.1.7
    • Replication
    • Fully Compatible
    • RPL 7 08/10/15

    Description

      #ifdef MONGO_PLATFORM_64
          const int ReplSetImpl::replWriterThreadCount = 16;
          const int ReplSetImpl::replPrefetcherThreadCount = 16;
      #else
          const int ReplSetImpl::replWriterThreadCount = 2;
          const int ReplSetImpl::replPrefetcherThreadCount = 2;
      #endif
      

      These are reasonable default, but we can make them tunable (exporting them via serverParameter) so that people can tune according to their needs. This also facilitates perf testing.

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              matt.dannenberg Matt Dannenberg
              davide.italiano Davide Italiano
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                Updated:
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