This post describes configurable tolerance for horizontal Pod autoscaling, a new alpha feature first available in Kubernetes 1.33. What is it? Horizontal Pod Autoscaling is a well-known Kubernetes feature that allows your workload to automatically resize by adding or removing replicas based on resource utilization. Let's say you have a web application running in a Kubernetes cluster with 50 replicas. You configure the HorizontalPodAutoscaler (HPA) to scale based on CPU utilization, with a target of 75% utilization.