etcd 是一个分布式键值对存储，设计用来可靠而快速的保存关键数据并提供访问。通过分布式锁，leader选举和写屏障(write barriers)来实现可靠的分布式协作。etcd集群是为高可用，持久性数据存储和检索而准备。
转自：https://github.com/coreos/etcd/blob/master/Documentation
To view this video please enable JavaScript,and consider upgrading to a web browser that supports HTML5 video
This is a modal window.
Beginning of dialog window.Escape will cancel and close the window.
End of dialog window.