我有这样的HPA。Pod可以很好地扩展,但不能降低规模,CPU利用率仅为5%。它没有缩小到最少1个副本。
以下是我的HPA
apiVersion: autoscaling/v2beta2
kind: HorizontalPodAutoscaler
metadata:
name: app
spec:
scaleTargetRef:
apiVersion: apps/v1
kind: Deployment
name: app
minReplicas: 1
maxReplicas: 10
metrics:
- type: Resource
resource:
name: cpu
target:
type: Utilization
averageUtilization: 70
- type: Resource
resource:
name: memory
target:
type: AverageValue
averageValue: 100Mi
在上面的yaml文件中,我正在使用两个资源,如下所示
metrics:
- type: Resource
resource:
name: cpu
target:
type: Utilization
averageUtilization: 70
- type: Resource
resource:
name: memory
target:
type: AverageValue
averageValue: 100Mi
内存资源没有被应用程序快速释放,一旦我删除了内存资源,当利用率降低时,pod就会按比例缩小。