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高并发核心技术 - 幂等性 与 分布式锁
source link: https://juejin.im/post/5d1d6bbc5188250501476798
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高并发核心技术之 - 幂等性 1. 什么是幂等性 幂等性就是指：一个幂等操作任其执行多次所产生的影响均与一次执行的影响相同。 用数学的概念表达是这样的： f(f(x)) = f(x). 就像 nx1 = n 一样， x1 就是一个幂等操作。无论是乘以多少次结
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