Github user abalanonline commented on the issue: https://github.com/apache/jmeter/pull/295 Hello @pmouawad , I investigated the HdrHistogram project. Unfortunately we cannot use it in JMeter right now. 1. It do not have median method implemented. 2. It do not have the interpolated percentile method either. 3. It have the same bug calculating the 75th percentile of 11 data values {3, 6, 7, 8, 8, 9, 10, 13, 15, 16, 20} (example from Wikipedia) So I suggest either fix the bugs in current org.apache.jorphan library. Or implement the necessary methods (and fix the bug) in HdrHistogram and after that use it in JMeter. I provided two pull requests in case you prefer a quick solution.
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