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再有人问你分布式锁，这篇文章扔给他
source link: https://juejin.im/post/5bbb0d8df265da0abd3533a5
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1.背景 对于锁大家肯定不会陌生，在Java中synchronized关键字和ReentrantLock可重入锁在我们的代码中是经常见的，一般我们用其在多线程环境中控制对资源的并发访问，但是随着分布式的快速发展，本地的加锁往往不能满足我们的需要，在我们的分布式
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