How the OOM-Killer Deleted My Namespace, and Other Kubernetes Tales
Explore complex Kubernetes debugging scenarios in this conference talk from KubeCon + CloudNativeCon Europe 2021. Delve into real-world examples from Datadog's journey of migrating workloads to Kubernetes, including an intriguing case where an OOM-killer invocation triggered namespace deletion. Learn about the intricate interactions between Kubernetes components, investigate symptoms, and uncover surprising root causes. Gain insights into managing large-scale clusters, understanding metrics-server setups, and dealing with CNI-related issues. Discover key takeaways about apiservice extensions, runtime troubleshooting, and the importance of informers in Kubernetes operations. Enhance your ability to diagnose and resolve unexpected challenges in Kubernetes environments.