Phoronix comparision of HAMMER, UFS, ZFS, EXT3, EXT4, Btrfs

Bruce Cran bruce at
Sat Jan 8 16:52:00 UTC 2011

On Fri, 7 Jan 2011 06:12:38 -0800 (PST)
Paul Pathiakis <pathiaki2 at> wrote:
> The results came out like this:
> EXT3 - ~3000 tps
> EXT4 - ~3800 tps
> XFS - ~ 1800 tps
> ZFS - 75000 tps

ZFS seems very good at keeping the disk busy with lots of buffering - on
my machine gstat shows the disk at 100% for several seconds even after
the application has finished. Despite seeing iops go as high as 65k the
average seems not so impressive at around 15k, though it is only on a
single SATA drive.

Bruce Cran

More information about the freebsd-performance mailing list