Preventing Controller Sprawl From Taking Down Your Kubernetes Cluster

Explore the challenges and solutions surrounding controller sprawl in Kubernetes clusters through this insightful conference talk. Delve into the limitations of the widely-used WATCH and UPDATE pattern for Kubernetes controllers and understand how its overuse can lead to service degradation in production environments. Learn from real-world outages experienced by Robinhood Markets as their Container Orchestration team shares valuable lessons on monitoring, detecting, debugging, and addressing these issues. Gain practical knowledge on best practices for maintaining cluster health, including the importance of observability through metrics, logs, and audit logs. Discover the significance of change visibility and code comprehension in preventing and resolving controller-related problems. Equip yourself with essential takeaways to optimize your Kubernetes infrastructure and prevent scalability issues from impacting your cluster's performance.