【缓存】redis的基本使用
redis是什么
Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps. http://redis.io
redis数据类型
string
redis的应用场景
缓存
分布式锁
redis的持久化
RDB
AOF
redis集群
todo
