kubernetes 1.9.3自动伸缩HPA HorizontalPodAutoscaler配置

• 排错

1：

Warning FailedGetResourceMetric 12s (x41 over 20m) horizontal-pod-autoscaler unable to get metrics for resource cpu: unable to fetch metrics from API: the server could not find the requested resource (get pods.metrics.k8s.io)

解决：kube-controller-manager的启动项加上：

            --horizontal-pod-autoscaler-use-rest-clients=false

阿里云K8S：修改/etc/kubernetes/kube-controller-manager.yaml
systemctl daemon-reload
systemctl restart kube-controller-manager

2：

heapster启动参数加入：
--api-server

3：

missing request for cpu on container xxxx in pod xxxx/xxxx-xxxxxxxxxxx-xxxxxx

解决：给该应用加上request资源限制

来源：51CTO

作者：安啼

链接：https://blog.51cto.com/antistand/2119714