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HPA vs VPA: Kubernetes Autoscaling Compared (2026 Guide)

calendar_today May 27, 2026 person Raz Goldenberg domain scaleops

The decision between scaling out and scaling up is not just technical, it is architectural. It defines your cost structure, your performance boundaries, and how your team will spend their time: optimizing systems, or fighting fires. In Kubernetes, Horizontal Pod Autoscaler (HPA) and Vertical Pod Autoscaler (VPA) approach scaling from opposite directions.

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