My CentOS / RHEL based server is configured with Intel PRO/1000 network interface cards. NAPI (Rx polling mode) is supported in the e1000 driver. I’ve multiple CPUs. How do I configure NAPI, decreasing interrupts and improve overall server network performance?

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Q. How do I use Linux (RHEL) taskset command to set or get the CPU affinity of a running process given its PID or to launch a new COMMAND with a given CPU affinity? A. You need to use taskset command. CPU affinity is a scheduler property that “bonds” a process to a given set […]