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HA Kubernetes Discussion #12
Discussion from the k8s users Google group https://groups.google.com/forum/m/#!topic/kubernetes-users/JOiYxVHVYwg
Important note from the etcd page in kubernetes.io:
Scaling up etcd clusters increases availability by trading off performance. Scaling does not increase cluster performance nor capability. A general rule is not to scale up or down etcd clusters. Do not configure any auto scaling groups for etcd clusters. It is highly recommended to always run a static five-member etcd cluster for production Kubernetes clusters at any officially supported scale.