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没有预热，这不叫高并发，叫并发高
source link: https://juejin.im/post/5d10c21ee51d4576bc1a0e26
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大家都知道，高并发系统有三把斧子：缓存、熔断和限流。但还有一把斧子，经常被遗忘在角落里，郁郁不得志，那就是预热。 现象举例 先说两个现象。这些现象，只能在并发高的系统中出现。 好吧，它已经引起了多个故障。 一、DB重启后，瞬间死亡 一个高并发环境下的DB，进
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