K8s HPA的冷却时间是多少?

Question

下面是扩展pod的样例HPA配置，但没有提到时间持续时间。所以我想知道下一次缩放事件之间的持续时间。

containerResource:
name: cpu
container: application
target:
type: Utilization
averageUtilization: 60

Answer 1

默认冷却时间为5分钟

我们可以配置

apiVersion: autoscaling/v2beta2

kind: HorizontalPodAutoscaler
metadata:
name: example-deployment
spec:
scaleTargetRef:
apiVersion: apps/v1
kind: Deployment
name: example-deployment
minReplicas: 1
maxReplicas: 10
behavior:
scaleDown:
selectPolicy: Disabled
scaleUp:
stabilizationWindowSeconds: 120
policies:
- type: Percent
value: 10
periodSeconds: 60
- type: Pods
value: 4
periodSeconds: 60
selectPolicy: Max