Redis4 Introduction

      Redis 全称 REmote DIctionary Server(Redis) 是一个由Salvatore Sanfilippo写的key-value存储系统。

Redis is an open source use written in ANSI C, BSD comply with the agreement and support network, based on the persistence of memory can log type, Key-Value number

Databases, and provides multi-lingual API.

     它通常被称为数据结构服务器，因为值（value）可以是 字符串(String), 哈希(Hash), 列表(list), 集合(sets) 和 有

Ordered set (sorted sets) and other types.

      Redis在目前软件开发领域，数据运维领域也得到了很多公司的认可，在一些招聘网站上，我们还能看见有些工

The number of bits must be required to use Redis or mango DB, short NoSQL is a trend, but this trend may be less than SpringMVC,

Struts1.x, Struts2.x that is developing rapidly, but it really is a good tool to improve performance.