For me, when I tried btrfs (which was about 10 years ago now) I discovered it was extremely slow. And not like 50% slower—when I switched to ext4 or xfs on the

For me, when I tried btrfs (which was about 10 years ago now) I discovered it was extremely slow. And not like 50% slower—when I switched to ext4 or xfs on the same disk with the same data I was getting a 10x or so speedup.