Investigating a hot CPU on my laptop when running Kubernetes

Something has been bugging me for a while now: why does my laptop sound like a jet engine whenever I start Kubernetes, even if nothing is running on the cluster? CPU utilization and temperature go high, and the fans kick on and stay that way. Figure 1. High CPU utilization when idling my k8s app I finally became annoyed enough to investigate. My setup First, let me say a bit about my setup, as it…