摘要：
Redis is an open source, advancedkey-value store. It is often referred to as adata structure serversince keys can containstrings,hashes,lists,setsandsorted sets. -- fromhttp://redis.io/redis是一个基于内存的高性能key-value数据库，数据都保存在内存中定期刷新到磁盘，以极高的读写效率而备受关注。他的特点是支持各种数据结构，stirng,hashes, list,set,和sorted setsclien 阅读全文