数据库复制产品并不进行任何工作来同步websphere事务日志，将会导致灾难数据中心处于不一致状态。

The database replication products do nothing to synchronize your WebSphere transaction logs and will leave you with a disaster data center with inconsistent state.

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这样的好处是在不进行键和条目复制的情况下，就能在其上执行set操作。

The advantage here is the ability to perform set operations on keys and items without having to copy them. For example.

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