y143.第八章 Servless和Knative从入门到精通 -- Autoscaling(七)

7.12 配置支持缩容至0实例

• 配置支持Revision自动缩放至0实例的参数

  • enable-scale-to-zero

    • 不支持Revision级别的配置

  • scale-to-zero-grace-period

    • 不支持Revision级别的配置

  • scale-to-zero-pod-retention-period

    • Revision级别配置时，使用注解键“autoscaling.knative.dev/scale-to-zero-pod-retention-period”

• 配置示例

root@k8s-master01:~/knative-in-practise/serving/autoscaling# cat autoscaling-scale-to-zero.yaml
apiVersion: serving.knative.dev/v1
kind: Service
metadata:
  name: hello
  namespace: default
spec:
  template:
    metadata:
      annotations:
        autoscaling.knative.dev/scale-to-zero-pod-retention-period: "1m5s"
    spec:
      containers:
        - image: registry.cn-hangzhou.aliyuncs.com/raymond9/helloworld-go