ZFS sub-optimal performance with default setting

[Tom Evans]

On Thu, Jan 10, 2013 at 4:54 PM, Patrick Dung <patrick_dkt at yahoo.com.hk> wrote:
> I have tried some tests, good and bad result is in below..........
> I am sure there is some bottleneck, and the root cause is still unknown.
>

Hi Patrick

Correct me if I've made a mistake, but have you shown how you have
configured your ZFS setup? Number and type of disks, etc, mirrored,
raidz or raidz2? The output of zpool status and zfs-stats (from ports)
would be useful.

Cheers

Tom