Learning Locust: Documentation, Tutorials, Videos

Locust is an open source load testing tool that supports running load tests distributed over multiple machines and can be used to simulate millions of simultaneous users. This article provides pointers to documentation, tutorials, courses and videos to learn how to use Locust open source load testing tool.

Author: Franco Martinig, Martinig & Associates

Locust is an open source performance and load testing tool for HTTP and other protocols. The tests can be run from the command line or using its web-based UI. Locust’s approach allows defining the tests in regular Python code.

Throughput, response times and errors can be viewed in real time and/or exported for later analysis. Software testers can import regular Python libraries. Locust’s pluggable architecture is expandable.

It is very helpful to verify the capabilities of websites to achieve a small response time when they are under the stress of higher traffic, be it a spike of traffic to a trending MadSlots Casino Review, or a case of a ticketing system for a large music festival like Coachella.

Learning Locust Open Source Testing Tool: Documentation, Tutorials, Videos

Locust Learning Resources 

* Your first test — Locust 2.20.1 documentation

This is the official documentation from Locust on how to get started. The documentation also contains information on Locust configuration and running it in the cloud.

Website: https://docs.locust.io/en/stable/quickstart.html

* UCLA Locust tutorials

This quick tutorial explains how to code and run a simple performance test with Locust from a container.

Website: http://oak.cs.ucla.edu/refs/locust/index.html

* AI Deploy – Tutorial – How to load test your application with Locust

The aim of this tutorial is to load test with Locust your deployed applications, by gradually querying your APIs with a load testing tool. Usually, your challenge is to forecast your compute needs, for example how many CPUs or GPUs will be required for 1000 API calls per hour and acceptable latency.

Website: https://help.ovhcloud.com/csm/en-public-cloud-ai-deploy-load-test-app? id=kb_article_view&sysparm_article=KB0057176

* Performance and Load Testing using Locust

If you would like to write user scenarios in plain-old Python using a distributed and scalable tool with a Web-based UI, this article is just for you. Low threshold makes Locust attractive for junior testing engineers, whilst many senior specialists turn to Locust, too, when they get tired of Apache JMeter. Whether you are junior or senior, if you’ve ever wondered how to use Locust for load testing, we are sure you will enjoy this intro, as seamless as it is. After reading it, you will be able to start your load tests in Locust right away.

Website: https://pflb.us/blog/load-testing-using-locust/

* Load Testing Using Locust.io

This article explains how to use Locust.io in Python to do load testing. It covers several fundamental use cases of Locust, from the simple one to a bit more advanced one. Locust gives you some flexibility to write your own test based on your use case. Not just providing you with statistics data you need but also gives you a good looking web UI to monitor the load test.

Website: https://medium.com/nerd-for-tech/load-testing-using-locust-io-f3e6e247c74e

* Video: Learn Locust Series from QAInsights

This Youtube playlist contains currently 20 videos to learn the different features of Locust.

Website: https://www.youtube.com/watch?v=q45WwSOC42Q&list=PLJ9A48W0kpRKMCzJARCObgJs3SinOewp5

* Locust performance testing tool from BRR Knowledge Center

This Youtube playlist contains currently 13 videos to learn the different features of Locust.

Website: https://www.youtube.com/playlist?list=PL6vR1GM9joBbNGvhzirwzMc368nv2lo88

* Load testing in Python with locust from zero

This 90 minutes tutorial provides an introduction to load testing with Locust.

Website: https://www.youtube.com/watch?v=7CRN7oLk6kw

* Video: Automating & evaluating load testing with Locust and Keptn

Learn how to use Locust load testing and how to write powerful load tests in a simple way. We will then use Keptn to have the tests automatically executed as part of our CD and Keptn Quality Gates to evaluate the impact of the tests on our applications. We even build a self-service platform for developers to be able to trigger deployment, tests, and evaluations for new version of their applications.

Website: https://www.youtube.com/watch?v=Ok4x2LIbEEY

* Video: Locust Tutorial: Mastering Load Generation and Testing | AWS CrashCourse

Dive into the world of load generation and testing with Locust, an open source tool that empowers developers and testers to simulate and analyze the performance of their applications. In this comprehensive tutorial, you’ll learn everything you need to know to effectively utilize Locust for load testing scenarios. Explore how to write and execute test scripts, configure virtual users, analyze test results, and fine-tune your application’s performance. With Locust, you’ll have the power to ensure your application can handle high loads and deliver exceptional user experiences.

Website: https://www.youtube.com/watch?v=AgKX9M5B3CU


Locust is an open load testing tool used. There are many resources, tutorials, videos and courses available for you to learn how to use this open source software testing tool. Mastering its usage will give you the knowledge and skills to perform load testing and make you more valuable on the software testers job market.

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