Learnk8s blog

etcd is the database behind every Kubernetes cluster. This article explains the design decisions that limit it, what happens when you hit those limits, and what GKE, EKS, and k3s did to get past them.

The Kubernetes scheduler decides where your pods run. Learn how it filters nodes, scores candidates, and assigns workloads to the right place in your cluster.

The Kubernetes API server handles all requests to your cluster. But how does it actually work? Learn how requests flow through authentication, authorization, admission controllers, and into etcd.