Kubernetes/Cluster/CoreDNS
< Kubernetes | Cluster
CoreDNS Scale
kubectl -n kube-system rollout restart deployment coredns
DNS service runs entirely on a single node · Issue #1657 · kubernetes/kubeadm · GitHub https://github.com/kubernetes/kubeadm/issues/1657
replicas: 3
k -n kube-system edit deployment coredns
kubectl scale deployments.apps -n kube-system coredns --replicas=1 deployment.apps/coredns scaled
kubectl scale deployments.apps -n kube-system coredns --replicas=3 deployment.apps/coredns scaled
kubectl describe deployment.apps -n kube-system coredns
Why kubernetes needs to have 2 coredns pods - Stack Overflow https://stackoverflow.com/questions/60522474/why-kubernetes-needs-to-have-2-coredns-pods