Redhat and Centos have the command "tuned-adm" which has various machine profiles with settings like this. It is an official thing supported by the vendor.

https://access.redhat.com/site/documentation/en-US/Red_Hat_E...

eg when I run it on one of our KVM hosts.

  $ tuned-adm list
  Available profiles:
  - throughput-performance
  - laptop-ac-powersave
  - virtual-guest
  - latency-performance
  - enterprise-storage
  - default
  - spindown-disk
  - desktop-powersave
  - virtual-host
  - laptop-battery-powersave
  - server-powersave
  Current active profile: virtual-host