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Wednesday, April 19 • 14:30 - 15:05
Emergent Load Testing: Rules for Organized Chaos - Nicole van der Hoeven, Grafana Labs

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When we write load testing scripts against our applications, we write them sequentially: A, then B, then C. But this doesn't accurately reflect the organized chaos of a system in production, nor does it prepare the system for the unexpected. Emergence is a phenomenon where parts of a whole independently develop properties not originally present in the whole. Emergence is what helps ant workers develop roles without leadership, prompts animals to evolve adaptive traits without forethought, and facilitates non-toxic communities without moderators. The growing field of emergent software applies this swarm logic to the programs that we write. What would it take to write emergent load testing scripts? It turns out that there are a few ingredients for emergence: a large population size, opportunities to interact, feedback, and an element of control. In this talk, Nicole van der Hoeven discusses how to bring these elements to load testing by writing a script in Grafana k6 that can independently decide what requests to make next, modify Kubernetes app pods, and disrupt services based on a continual feed of results during runtime-- all without manual intervention. She shows how to wield this new breed of load testing to improve confidence in the complex systems we build.

avatar for Nicole van der Hoeven

Nicole van der Hoeven

Senior Developer Advocate, Grafana Labs
Nicole is a performance engineer with over a decade of experience in breaking software and learning to build it back up again. She has lived in the Philippines, the US, Australia, the Netherlands, and Portugal, helping teams all over the world scale up their load tests on the cloud... Read More →

Wednesday April 19, 2023 14:30 - 15:05 CEST
G104-105 | First Floor | Congress Centre