Redis 是一个开源（BSD许可）的，内存中的数据结构存储系统，它可以用作数据库、缓存和消息中间件。(Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache and message broker.)

Redis数据库服务端与客户端程序，包含配置文件等等。(Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache and message broker. It supports data structures such as strings, hashes, lists, sets, sorted sets with range queries, bitmap