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Locust

If you’re running into memory/garbage collection issues with hyperfoil that are preventing a full run on the standard profile then try using locust to run the actual performance test.

NOTE: The files in this directory (except for this README) were copied from the 3scale-2.15-injector branch in the integr8ly/locust-integreatly-operator project.

Prerequisites

  • Successfully ran the injector to generate the 3scale.csv traffic file (the ansible playbook will automatically copy the file to this directory)
  • Installed the Locust CLI - installation instructions can be found here

Run tests

1. From the locust directory start locust.

./start.sh

NOTE: If locust is complaining about the port 8089 being blocked, try specifying a different port in start.sh using the --web-port flag like this:

cores=$(grep -c ^processor /proc/cpuinfo)
ulimit -n 10000

echo "starting locust master"
locust --master --web-port 8888 &

echo "creating worker nodes for other cores"
for (( c=2; c<=cores; c++ ))
do
  echo "starting locust worker"
  locust --worker --web-port 8888 &
done

2. Access the locust UI in your browser at http://localhost:8089/ (make sure to specify the correct port if you changed it above).

3. Set the Number of users and Ramp up but clear the Host field since the host will be randomly fetched from the CSV traffic file. You can let the test run indefinitely or specify the Run time in the Advanced options drop down menu.

4. When the run is complete you can download the load test report from the DOWNLOAD DATA tab.

5. After saving the results, you can shut down the workers by running the kill script.

./kill.sh