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  • 关于Redis缓存穿透、缓存雪崩、缓存击穿问题探究 · Issue #13 · superleeyom/blog

    #database #redis #github
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Comments

  • hackershare

    · ·

    缓存穿透 拿一个不存在的 key 去查询数据,如果缓存里面查询不到,就会去数据库里面查询,如果有人恶意拿不存在的 key 疯狂请求,会把数据库压垮,这就是缓存穿透,下面用一段伪代码: List<String> cacheList = redis.get(key); if(CollUtil.isEmpty(cacheList)){ List<String> list =...

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