常用¶
etcd is a distributed reliable key-value store for the most critical data of a distributed system, with a focus on being:
存储分布式系统中最关键的数据，有以下4个特点:
Simple: well-defined, user-facing API (gRPC)
Secure: automatic TLS with optional client cert authentication
Fast: benchmarked 10,000 writes/sec
Reliable: properly distributed using Raft
