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Subject [GitHub] [jmeter] vlsi commented on pull request #603: Bug 64558 - Improve performances and throughput of Sample Results by lifting contention on writing SampleResults in CSV/XML
Date Mon, 06 Jul 2020 07:50:11 GMT

vlsi commented on pull request #603:
URL: https://github.com/apache/jmeter/pull/603#issuecomment-654075094


   >Where you previously had all threads waiting on lock to write to CSV , it is not more
present.
   >This is particularly the case in a plan with no Think Time at low number of threads,
or a plan with think times but at high >number of threads (5000 in my case).
   
   Do you have the results for the throughput / sustained operation rate?
   I agree there might be improvements, however, I'm afraid, the improvements from the PR
like this can't exceed 2-5%, and it is strange to hear "performance increased by 68%".
   Of course, there might be edge cases when the improvement is 68%. However, it does not
seem to be right to declare a major performance improvement for an unrealistic case.


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