Etcd

etcd is a key-value database commonly deployed with distributed systems.^[1] The software is used by Kubernetes. It is written in the Go programming language and published under the Apache License 2.0.

etcd

Repository	github.com/etcd-io/etcd
Written in	Go
License	Apache License 2.0
Website	etcd.io

History

etcd was originally developed as part of the CoreOS project, who then later donated the project to the Cloud Native Computing Foundation.^[2]

Architecture

The software consists of three executables:^[2]

• etcd
• etcdctl
• etcdutl

On particular database entries, locks can be set to prevent writing by other entities while it is being used.^[2]

See also

• Apache ZooKeeper
• Consul