图4显示的是不同的模拟用户负载下，每秒全部网络千字节数。

Figure 4 shows the network kilobytes per second at different simulated user loads.

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图3显示的是不同的模拟用户负载下，每秒传送的全部磁盘千字节数。

Figure 3 shows the total disk kilobytes transferred per second at different simulated user loads.

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在判断并发连接数量以及每个前端服务器每秒可以处理的字节数时，网络经验是很重要的。

Here, networking experience is crucial in determining the number of concurrent connections, as well as the number of sustained bytes per second a front-line server can handle.

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