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DevOps & Automation · Advanced

Vertical Pod Autoscaler (VPA)

A Kubernetes add-on that recommends or automatically adjusts container CPU and memory requests based on usage.

Definition

VPA right-sizes workloads; in Auto mode it may evict pods to apply new requests (in-place resize is increasingly supported). It should not be combined with HPA on the same CPU/memory metric.

Example

VPA in Off mode only produces sizing recommendations.

Exam tip

HPA scales out (more pods); VPA scales up (bigger pods).

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