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memcache 的使用环境

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Jun 23, 2016 pm 02:25 PM

数据 redis memcache

想请教下memcache的一些使用场景，使用于哪些数据

还有redis的话也同问，哪些数据方便使用

回复讨论(解决方案)

一般适用于数据在几十万以上的系统，才会考虑使用。
至于使用哪些数据，就得看你需要哪些数据缓存。
memcache和redis不同之处就在于持久化，其它没区别。
所以如果使用redis，就看你的业务，对数据的存放周期是否需要更长的时间？

一般适用于数据在几十万以上的系统，才会考虑使用。
至于使用哪些数据，就得看你需要哪些数据缓存。
memcache和redis不同之处就在于持久化，其它没区别。
所以如果使用redis，就看你的业务，对数据的存放周期是否需要更长的时间？

我是知道这2者的区别，也知道使用在数据量大的系统上，使用方法我也是了解的，当如何去使用，使用哪些数据的概念很模糊，

例如一个系统，假如把用户信息存到memcache,是可以，假如存一些其他的数据，比如说排行榜，朋友圈，文章之类的，他的 key => value 中的key要这么表达呢？是不是以用户ID为表示加数据表字段来表示key？
然后做一些排序呢？

反正我的思路有点乱，求大神指点

memcache 和 redis 我都会，只是没在实际环境中使用过，不知道用在哪些数据

具体业务逻辑对应具体的表类型，每一种表类型，针对什么样的业务逻辑要清楚。

把最经常用的数据放到memcache里面。减少i/0和mysql输入输出。提高网站性能。

把最经常用的数据放到memcache里面。减少i/0和mysql输入输出。提高网站性能。

这个我很同意

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