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@ -592,7 +592,7 @@ LWW 有一个问题，就是多个并发写入的客户端，可能都认为自
使用 LWW 唯一安全的方法是：key 是一次可写，后变为只读。如 Cassandra 建议使用一个 UUID 作为主键，则每个写操作都只会有一个唯一的键。
### 发生于**之前（Happens-before）和并发关系
### 发生于之前（Happens-before）和并发关系
考虑之前的两个图：