Amazon EKS Distro image for etcd etcd is a distributed reliable key-value store for the most critical data of a distributed system, with a focus on being simple, secure, fast and reliable. It is written in Go and uses the Raft consensus algorithm to manage a highly-available replicated log. etcd is frequently teamed with applications such as Kubernetes, locksmith, vulcand, Doorman, and many others. https://github.com/etcd-io/etcd