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我在 Google Kubernetes 集群上启用了自动缩放，并且我可以看到其中一个 Pod 的使用率要低得多

我总共有 6 个节点，我预计至少有这个节点被终止。我已经完成了以下操作： https://github.com/kubernetes/autoscaler/blob/master/cluster-autoscaler/FAQ.md#what-types-of-pods-can-prevent-ca-from-removing-a -节点

我已将此注释添加到我的所有 pod 中

cluster-autoscaler.kubernetes.io/safe-to-evict: true

但是，集群自动缩放程序可以正确扩展，但不会像我预期的那样缩小。

我有以下日志

$ kubectl  logs kube-dns-autoscaler-76fcd5f658-mf85c -n kube-system

autoscaler/pkg/autoscaler/k8sclient/k8sclient.go:90: Failed to list *v1.Node: Get https://10.55.240.1:443/api/v1/nodes?resourceVersion=0: dial tcp 10.55.240.1:443: getsockopt: connection refused
E0628 20:34:36.187949       1 reflector.go:190] github.com/kubernetes-incubator/cluster-proportional-autoscaler/pkg/autoscaler/k8sclient/k8sclient.go:90: Failed to list *v1.Node: Get https://10.55.240.1:443/api/v1/nodes?resourceVersion=0: dial tcp 10.55.240.1:443: getsockopt: connection refused
E0628 20:34:47.191061       1 reflector.go:190] github.com/kubernetes-incubator/cluster-proportional-autoscaler/pkg/autoscaler/k8sclient/k8sclient.go:90: Failed to list *v1.Node: Get https://10.55.240.1:443/api/v1/nodes?resourceVersion=0: net/http: TLS handshake timeout
I0628 20:35:10.248636       1 autoscaler_server.go:133] ConfigMap not found: Get https://10.55.240.1:443/api/v1/namespaces/kube-system/configmaps/kube-dns-autoscaler: net/http: TLS …