Episode 20 of Software Testing with Fexingo digs into chaos engineering — deliberately injecting failures into production systems to uncover weaknesses your test suite never hits. Lucas and Luna explore how Netflix pioneered the approach with Chaos Monkey, and why teams today are adopting controlled experiments like latency injection and instance termination to build resilience. They discuss where chaos engineering fits alongside traditional QA, how to start small without breaking everything, and why running a chaos experiment once a quarter beats a dozen unit tests for finding real-world failure modes. Specific examples include simulating an AWS Availability Zone outage and testing database failover timing. If you've ever wondered why your system passes every test but still breaks under load, this episode shows you what chaos engineering reveals — and how to add it to your testing toolkit without triggering a production incident.

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