> And ZFS has dynamic block sizes which works really great together with compression This is not just a nice-to-have but is the reason why it is viable at all.

> And ZFS has dynamic block sizes which works really great together with compression This is not just a nice-to-have but is the reason why it is viable at all. In comparison, compression in Btrfs for this sort of workload produces insane write amplification (20x or more), as it forces large blocks for compression