etcd is not a requirement of k8s, plenty of clusters out there use non-etcd stores. E.g. k3s/k3d can use sqlite, all of the big cloud providers use their own in-house datastores instead of etcd.
etcd is not a requirement of k8s, plenty of clusters out there use non-etcd stores. E.g. k3s/k3d can use sqlite, all of the big cloud providers use their own in-house datastores instead of etcd.