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漫谈Web缓存架构
source link: https://juejin.im/post/5ae3fe1ff265da0b776f716f
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计算机领域多处地方用到缓存，比如说为了缓解CPU和内存之间的速度不匹配问题，我们往往通过增加一级、二级、三级缓存，CPU先从缓存中取指令，如果取不到，再从内存中取，并更新缓存，同时，根据程序的局部性原理，使得大部分情况下缓存都会命中。 目前，Web应用的核心
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