[zfs-discuss] zfs + NFS + FreeBSD with performance prob
Albert.Shih at obspm.fr
Tue Feb 5 15:16:11 UTC 2013
Le 04/02/2013 ? 11:21:12-0500, Paul Kraus a écrit
> On Jan 31, 2013, at 5:16 PM, Albert Shih wrote:
> > Well I've server running FreeBSD 9.0 with (don't count / on
> > differents disks) zfs pool with 36 disk.
> > The performance is very very good on the server.
> > I've one NFS client running FreeBSD 8.3 and the performance over NFS
> > is very good :
> > For example : Read from the client and write over NFS to ZFS:
> > [root@ .tmp]# time tar xf /tmp/linux-3.7.5.tar
> > real 1m7.244s user 0m0.921s sys 0m8.990s
> > this client is on 1Gbits/s network cable and same network switch as
> > the server.
> > I've a second NFS client running FreeBSD 9.1-Stable, and on this
> > second client the performance is catastrophic. After 1 hour the tar
> > isn't finish. OK this second client is connect with 100Mbit/s and
> > not on the same switch. But well from 2 min --> ~ 90 min ...:-(
> > I've try for this second client to change on the ZFS-NFS server the
> > zfs set sync=disabled
> > and that change nothing.
> I have been using FreeBSD 9 with ZFS and NFS to a couple Mac OS X
> (10.6.8 Snow Leopard) boxes and I get between 40 and 50 MB/sec
Thanks for your answer.
Can you give me the average ping time between you'r client and NFS server ?
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