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Redis 击穿穿透雪崩
2022-07-03 05:08:00 【amateur12】
redis击穿
redis键过期,请求去MySQL
设置永不过期时间
redis穿透
redis本来就没有的键,请求去MySQL(恶意请求)
布隆过滤器
redis雪崩
redis大量键过期
设置条件查询判断,如果redis没有要查询的数据,就去数据库查
加分布式锁,第一个查询线程从数据库取出数据,把数据存到redis,第二个查询线程再进去
如果第一个线程在数据库也没查询到数据,则把null存到redis
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