< 1 minute read

Often software developers get to ask themselves the question: Should I just run the tests in the GUI now that I finished developing them?

The answer is pretty simple, NO. You should not use the GUI when running the tests. The GUI should be used only for developing the tests.

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For running the tests you should run JMeter from command line. Use the GUI only for Test creation and Test debugging.

For load testing, use CLI Mode (was NON GUI):

jmeter -n -t [jmx file] -l [results file] -e -o [Path to web report folder]

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Why use JMeter in CLI Mode/ Non GUI line mode for running the tests ?

The reasons are the following:

  • increase the throughput that JMeter is capable of on your hardware configuration
  • increase the number of threads compared with running in GUI mode
  • decrease the memory and CPU that JMeter uses during heavy test scenarios

Written by Cristian Vazzolla.

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