[zfs-discuss] Re: Re: Lots of overhead with ZFS - what am I doing wrong?

2007-05-15 Thread Nick G
> I have no idea what to make of all > this, except that it ZFS has a problem with this > hardware/drivers that UFS and other traditional file > systems, don't. Is it a bug in the driver that > ZFS is inadvertently exposing? A specific feature > that ZFS assumes the hardware to have, but it > doesn

[zfs-discuss] Re: Lots of overhead with ZFS - what am I doing wrong?

2007-05-14 Thread Nick G
Don't know how much this will help, but my results: Ultra 20 we just got at work: # uname -a SunOS unknown 5.10 Generic_118855-15 i86pc i386 i86pc raw disk dd if=/dev/dsk/c1d0s6 of=/dev/null bs=128k count=1 0.00s user 2.16s system 14% cpu 15.131 total 1,280,000k in 15.131 seconds 84768k/