Safely Extending the Kubernetes Scheduler with WebAssembly - A Tale of Two Plugins

Learn how WebAssembly-based extensions can revolutionize Kubernetes scheduler customization in this technical conference talk. Explore the limitations of traditional webhook and Go SDK extension methods, including performance issues and rebuild requirements, before diving into a novel WebAssembly-based solution. Discover why custom schedulers are essential, understand the architectural advantages of WebAssembly for plugins, and examine potential challenges like sandbox limitations and programming concerns. Gain firsthand insights from SIG-Scheduling core maintainer Kensei about implementing complex WebAssembly projects and leveraging WebAssembly for infrastructure extensibility.