一开始快速地滚动十几行的样子，然后会有一个暂停，暂停时间一般不超过一秒，这个时候服务器在获取接下来要显示的另一块数据。

You scroll quickly for a dozen or so rows; then there is a pause, usually less than a second in duration, while the server grabs another chunk of data to be displayed.

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下面说明如何做到：假定您想从文件开头算起第1000字节处开始读取一块789字节的数据。

Here is how it is done: suppose that you want to read a chunk of 789 bytes starting from byte 1000 counted from the beginning of that file.

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当使用外部实用工具完成复制数据块之后，在执行onmode - c unblock时，RSS服务器将开始应用暂存的逻辑日志中的日志记录。

After completion of copying chunks using external utility, when onmode -c unblock is executed, the RSS server will start applying log records from the logical logs that were staged.

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