Now that most people no longer use spinning disks and SSD are extremly fast, is there any reason to throttling IO anymore? I'm guessing that if you do use spin

Now that most people no longer use spinning disks and SSD are extremly fast, is there any reason to throttling IO anymore? I'm guessing that if you do use spinning disks, then the disks are single purpose. They are not main OS drives, but external storage or backup disks.