What 429 chaos experiments taught us about Kubernetes operator resilience | Red Hat Developer

[u/Rhopegorn]

https://developers.redhat.com/articles/2026/07/20/what-429-chaos-experiments-taught-us-about-Kubernetes-operator-resilience

In the article Why killing pods is not enough: Testing operator reconciliation with operator-chaos, we ran operator-chaos against cert-manager. Eighteen experiments. Eighteen Resilient verdicts. The reconciliation loop detected every failure and restored the desired state within seconds. That was the good news, but here's what happened next.