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Redis缓存穿透、缓存雪崩的分析及解决方案 Redis缓存穿透、缓存雪崩的分析及解决方案
什么是缓存击穿缓存击穿是查询数据库中不存在的数据,如果有用户恶意模拟请求很多缓存中不存在的数据,由于缓存中都没有,导致这些请求短时间内直接落在了DB上,对DB产生压力,导致数据库异常。 解决方案布隆过滤器 最常见的则是采用布隆过滤器,将所有
2018-11-21