If during a read, data has not completely arrived at the socket, the thread will block on the read operation until all the data is available.

如果在读的时候，数据尚未完全到达套接字，则线程将在读操作上阻塞，一直到数据可用。

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In fact, when this feature is enabled, and the INSERT operation requires a new or reused block, DB2 will take an exclusive (x) lock on the block in order to add it to the target cell.

实际上，当该特性被启用，并且INSERT操作要求一个新的或重用的块时，DB 2将在块上采用一个独占的(X)锁，以便将它添加到目标单元。

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In blocking mode, a thread will block on a read or a write until the operation is completely finished.

在阻塞模式中，线程将在读或写时阻塞，一直到读或写操作彻底完成。

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