191问答库 > php中redis和memcached区别和应用场景

php中redis和memcached区别和应用场景

2025-03-17 02:32:25
推荐回答（3个）
回答1：

redis比memcached功能更多更强大,现在基本都是只用redis了.

  1. 利用redis的原子性可以给数据加锁

  2. 可以保存临时数据,比如短信验证码和session

  3. 可以用于实现简单的队列任务

  4. 可以实现排行榜功能

  5. 可以实现经纬度距离计算

  6. ........

    当然不止这些,redis是一种key-value数据库,他的业务场景还可以自己扩展.

回答2：

Redis的功能更强大，数据类型支持更多，如hashset，数组等
Redis还能做持久化，memcache重启数据丢失

回答3：

刚刚发的发传单

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