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。

youdao

In one way, the delay was even helpful: It allowed time for a television instant replay, a closer look at another bit of modern tennis magic.

WSJ: A Little Night Tennis, Anyone?