Locust.io
An open source, code-based load testing tool in Python.
Locust.io launched on October 2, 2016 with 3 votes. The site was still online in September 2026, 10 years on.
What it does
An open source load testing tool. Define user behaviour with Python code, and swarm your system with millions of simultaneous users.
Define user behaviour with Python code, and swarm your system with millions of simultaneous users. I'm impressed not more people talk about locust (http://locust.io/). The thing is awesome :) Shoutout too the guys from ESN :) it’s become a mandatory part of the development of any large scale HTTP service built at DICE at this point. locust.io is pretty fantastic, wish it had a bit more in the way of docs for non-HTTP stuff though A fundamental feature of Locust is that you describe all your test in Python code. No need for clunky UIs or bloated XML, just plain code. Read more detailed installations instructions in the documentation . We are working on a hosted cloud version of Locust . It's…from locust.io
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