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Kubernetes · Resource

HorizontalPodAutoscaler

HorizontalPodAutoscaler automatically changes a scalable workload's Pod count to match demand. It can scale from resource, custom, object, or external metrics.

Last updated

Since
1.30 for stable container resource metrics

Syntax

apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
spec:
  scaleTargetRef: ...
  minReplicas: ...
  maxReplicas: ...
  metrics: ...

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

Subscribe
  • HorizontalPodAutoscalerSpec
  • HorizontalPodAutoscalerStatus
  • HorizontalPodAutoscalerBehavior
  • MetricSpec
  • Resource metrics API
  • Custom metrics API
  • External metrics API
  • Scale subresource

Source: Horizontal Pod Autoscaling | Kubernetes. Checked 2026-11-03.