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  1. Core Server
  2. SERVER-18230

Increase in CPU usage w/ latest 3.1.2 vs 3.0

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Gone away
    • 3.1.2
    • None
    • Storage, WiredTiger
    • Fully Compatible
    • ALL
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    Description

      I've captured that running w/ the latest build with the same workload consume higher CPU usage comparing to 3.0 GA (both captured on the same AWS, windows 2012 machine)

      Version IO ops per sec CPU
      3.0 4100 50 %
      3.1.2-pre- 4000 or a lower ~70%

      see attached graph,

      I opened this subject as heads up (we didn't run this test for the last month +), we should verify the source of the problem and if it's related to latest WT drop
      I compared the build w/ the details below

      db version v3.1.2-pre-
      git version: 34b853ed0566a3bbffcd825191b9000de331bddc
      OpenSSL version: OpenSSL 1.0.1m-fips 19 Mar 2015
      

      db version v3.0.0
      git version: a841fd6394365954886924a35076691b4d149168 modules: enterprise
      OpenSSL version: OpenSSL 1.0.1j-fips 15 Oct 2014
      

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            eitan.klein Eitan Klein
            eitan.klein Eitan Klein
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              Created:
              Updated:
              Resolved: