As discussed earlier, with a write-behind cache, the transaction completes when the data is written to the cache, which is fast.
正如上文讨论的一样，使用写入后缓存，事务在数据写入缓存时完成，这样速度更快。
Unified transactions are used if an entire write transaction is achieved fast enough.
假如一个完整的写处理能够完成的足够快的话就用统一处理。
Unified transactions are used if an entire write transaction is achieved fast enough.
假如一个完整的写处理能够完成的足够快的话就用统一处理。
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