Optimizing Red Hat Enterprise Linux Performance by Tuning IRQ Affinity
Updated -
How hardware interrupt requests (IRQs) are handled is one area you might investigate when you look to performance tune your Red Hat Enterprise Linux System.
This Tech Brief describes how to evaluate IRQ handling, how to use irqbalance (in most cases) to automatically balance IRQ handling, and how (and when) to occasionally set IRQ affinity to pin IRQs to specific CPUs.
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