由于线程和进程是相对稀缺的资源，考虑到它们只是等待输入，所以持有它们的应用就不会很好地伸缩。
Since threads and processes are relatively scarce resources, applications that hold on to either one when they're just waiting for input don't scale very well.
从图6可以看到资源持有者和等待者与图5中的相反。
From Figure 6, you see that the resource holder and waiter are the opposite of Figure 5.
从图6可以看到资源持有者和等待者与图5中的相反。
From Figure 6, you see that the resource holder and waiter are the opposite of Figure 5.
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