How to add more than 4 .jtl files to merge and create summary report in Jmeter GUI

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I am using Apache Jmeter version 3.0 for my performance load test of a system. I have 5 test servers where Jmeter test scripts are run (5 different .jmx files run simultaneously) and generate 5 different .jtl files.

After my test, I could only merge (on JMeter GUI -> jp@gc - Merge Results) maximum 4 .jtl files, which I think the default number of files I could merge. While adding the 5th .jtl file, the 'Add Row' button gets disabled on the Jmeter GUI (as seen in the picture below).

How can I modify/configure to include more than 4 .jtl files to merge and create Summary Report in Jmeter GUI ? (note that, for aggregated report creation I would like to use Jemeter GUI).

enter image description here

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1 Answers

0
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Looking into MergeResultsGui source code

private static final int MAX_FILE_HANDLES = 4;

So there is no way to merge more than 4 files at a time.

The easiest way is doing it step-by-step, like:

  1. Merge 4 .jtl files into 1 "uber" .jtl
  2. Merge 5th .jtl file with the "uber" .jtl

Also be aware that you can run these files using Taurus tool and get real-time stats while the test runs and single .jtl file as the output. Check out Taurus - Working with Multiple JMeter Tests guide for more details.