Another issue we saw in Linux is that under load, one core would get saturated, doing network soft interrupt handing, throttling network IO.
另一个Linux中的问题是到了一定负载后，某个核心可能因进行网络软终端处理会饱和而限制了网络IO。
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When an operating system is interrupted because of a hardware event (such as the presence of a packet through a network adapter), the processing begins in an interrupt.