缓存失效数据库

CacheKit,缓存失效 自动更改数据库数据：报错

需求：手机app在线用户心跳包请求数据库在线用户数据提问：token失效的时候，能否自动更改该用户的数据库在线状态？token没有失效的代码：public static boolean verifyUserToken(String userToken){ boolean verReturn=false;Map ret=new...

云数据库redis支持 缓存失效订阅事件吗？

云数据库redis支持 缓存失效订阅事件吗？目前功能上线发现不支持云数据库redis支持 缓存失效订阅事件吗？目前功能上线发现不支持云数据库redis支持 缓存失效订阅事件吗？目前功能上线发现不支持

缓存失效瞬间高并发访问导致数据库负载升高的问题处理

问题描述：使用的缓存系统是memcached，SQL更新周期是10min，更新的sql运行时间是1s，在更新缓存时缓存失效，第一个进程会去数据库请求新数据，但是在未返回结果之前，后续的进程也进入到数据库中请求新数据。如果此时正好碰到高并发，...

redis缓存失效后如果处理大量请求查询，数据库如何处理 400 请求报错

接收到请求后先从缓存查询，查询到就返回，查询不到就从数据库查询，然后放到缓存中，但是现在缓存到期失效了，然后大量的请求都干到了数据库上，数据库的压力一瞬间变高，这样该如何处理，可以用线程吗？而且现在是有多台服务器

在确定数据更新后缓存会失效来进行处理的话，针对数据库以及缓存更新时序就存在哪几种

在确定数据更新后缓存会失效来进行处理的话，针对数据库以及缓存更新时序就存在哪几种？

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