cloud-engineering
Cluster Autoscaler
Cluster Autoscaler
Definition
The Cluster Autoscaler is a Kubernetes component that automatically adjusts the number of nodes in a node pool based on pod scheduling demand. It adds nodes when pods are unschedulable due to resource constraints and removes underutilized nodes to reduce costs.
It works in conjunction with HPA and VPA to provide full-stack scaling from pod replicas to cluster capacity.
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