scale zfs/default zfs/tuned btrfs ext4 xfs 100 61028 64057 33352 85291 85765 1000 32568 36066 27952 58736 58991 10000 3822 6068 6541 30495 30977 Table: read-write results For the read-only tests, the results are (again) pretty even - ZFS is a bit slower than the other file systems, particularly for the larger scales, similarly to the smaller machine. For read-write tests, the differences are much more dramatic. EXT4/XFS are the clear winner. ZFS keeps pace on the two smaller data sets (that fit ...