You may read more here:Tuned is a profile-based system tuning tool that uses the udev device manager to monitor connected devices, and enables both static and dynamic tuning of system settings. Dynamic tuning is an experimental feature and is turned off by default in Red Hat Enterprise Linux 7. Tuned is also available for Debian and Ubuntu distributions and drastically improves performance.
https://www.linuxsecrets.com/2892-tuned ... erformance
Is it worth using? Is it usable?