Fabrizio Lazzaretti

WebAssembly on Kubernetes offers a radically lighter approach to running workloads. This talk at FOSDEM '26 covered WASM integration through containerd shims with a Rust example from beginning to end.

In this talk, we will explore the transformative potential of WebAssembly (WASM) in enhancing event-driven deployments on Kubernetes. We will examine the current state of WebAssembly in conjunction with Kubernetes, Knative, and KEDA, providing an overview of its capabilities within the CNCF ecosystem. We'll focus on building autoscaling event processing systems with practical examples using Kafka, and discuss the benefits and challenges of this approach.

Event-driven architectures are becoming increasingly popular for building scalable and responsive systems. In this talk we will explore how WebAssembly (WASM) can enhance event-driven architecture on Kubernetes when combined with Knative and KEDA. We'll focus on building autoscaling event processing systems, showcasing practical examples, and discussing the benefits and challenges of this approach. Join us to learn about the exciting possibilities of integrating WASM into Kubernetes environments for more efficient and faster event processing at scale.