>> >> > Like this ? > > gmirror (iozone -s 4 -a /dev/mirror/gm0s1e) = 806376 (faster drives) > zfs uncompressed (iozone -s 4 -a /datapool/data) = 650136 > zfs compressed (iozone -s 4 -a /datapool/data) = 676345 If you can get the complete tables (as in the images on the blog post) with random performance compared to sequential etc, different block sizes, that would be very interesting. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance