Depending upon the distance between the replay position and the current log position and the size of the unspooled data in send queue, this operation might delay the alter operation.

取决于重放位置与当前日志位置之间的距离，以及发送队列中未假脱机的数据的大小，这个操作可能会延缓 alter 操作。

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We can process operations out of order and end up with the same result, so we can paper over temporary network and hardware failures, or even replay lost data from minutes or hours ago.

因为能交换操作顺序而不影响最终结果，所以我们才能在网络或者硬件临时故障的时候记录下所有操作或者恢复几分钟甚至几小时之前丢失的数据。

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The data transmitted over the network is susceptible to network attacks like snooping the network traffic, non-repudiation, tampering the data, spoofing, hijacking, and capture-replay.

在网络上传输的数据容易受到各种网络攻击，例如嗅探网络传输、不可抵赖性、篡改数据、欺骗、拦截和捕捉回复。

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