Don't Write Controllers Like Charlie Don't Does: Avoiding Common Kubernetes Controller Mistakes

This conference talk explores common pitfalls when implementing Kubernetes controllers, presented by Nick Young from Isovalent at Cisco. Learn how to avoid the mistakes that the fictional character "Charlie Don't" makes when writing reconciliation loops for Kubernetes objects. Discover practical solutions to problems such as overloading the apiserver with excessive status updates, missing critical updates in complex CRD systems, and encountering scaling issues due to improper cache utilization. The 32-minute presentation is designed for developers working with Kubernetes controllers and reconciliation loops, regardless of whether they're using Custom Resource Definitions or standard resources. No prior knowledge of related talks is required to benefit from this humorous yet informative session that provides valuable tips for controller implementation while learning from "Charlie Don't's" misfortunes.