Do we need irqbalance?

Solution Verified - Updated -

Issue

  • We assume irqbalance service is needed in multi-CPU environment, we'd like more information.
  • Is it nonsense to execute irqbalance in single CPU system?
  • How about single CPU that has multi core?
  • How about multi CPU that has single core?
  • How about multi CPU that has multi core?
  • Do we need to execute irqbalance on a virtual guest machine for virtualization?

Environment

  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 5

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