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memcache和redis都属于缓存但是memcache的存储大小是收到 限制的memcache的 键值长度是250,内存的大小限制是1M并且memcache不支持数据的持久化缓存 redis支持五种数据类型,string list set(集合) hash 和Sorted Set(有序集合),并且redi是支持数据的持久化缓存,redis的两种机制AOF和RDB Redis的持久化 RDB a) 简而言之,就是在不同的时间点,将redis存储的数据生成快照并存储到磁盘等介质上: b) 对于R
memcache官方定义 Free & open source, high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load. redis官方定义 Redis is an open source, BSD licensed