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Linux Network Performance Ultimate Guide
Author: Kien Nguyen <kiennt2609@gmail.com> A minimal Hugo theme with Tailwind CSS
- An IRQ (Interrupt Request) is a hardware signal sent to the processor instructing it to suspend its current activity and handle some external event, such as a keyboard input or a mouse movement. When the kernel receives an interrupt from the network card, it starts to poll the device and harvest packets in the queues as fast as possible. NUMA architecture splits a subset of CPU, memory, and devices into different “nodes”, in effect creating multiple small computers with a fast interconnect and common operating system.
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