Scaling Kubernetes the Right Way: In-Depth Comparison of HPA, VPA, CA, Karpenter, and KEDA

A hands-on breakdown of Kubernetes autoscalers—HPA, VPA, Cluster Autoscaler, Karpenter, and KEDA—maps how each scales pods, nodes, and events.

The hot pairing lately? Karpenter for fast node spin-up, teamed with CloudPilot AI to wrangle Spot instances across 800+ compute types without melting costs.