On 4/24/07, Spencer Shepler <Spencer.Shepler at sun.com> wrote:
>
> On Apr 23, 2007, at 7:17 PM, Leon Koll wrote:
>
> > Hello, Roch
> > <...>
> >> Then SFS over ZFS is being investigated by others
> >>  within
> >> Sun. I believe we have stuff in the pipe to make ZFS
> >> match
> >> or exceed  UFS on small server level loads. So I
> >>  think your
> >> complaint is being heard.
> >
> > You're the first one who said this and I am glad I'm being heard.
> >
> >>
> >> I personally find it always incredibly hard to do
> >> performance
> >>  engineering around SFS.
> >> So my perspective is that improving the SFS numbers
> >> will more likely come from finding ZFS/NFS
> >>  performance
> >> deficiencies on simpler benchmarks.
> >>
> > There is a new version of SPEC SFS in beta phase (w/NFS4 and CIFS
> > support), available to SPEC members only. I am very interested to
> > see the results of it on ZFS. Is there anybody from [i]"others
> > within Sun"[/i] who tested it ?
>
> The upcoming version of SPEC SFS, while containing support and
> workload for CIFS, does NOT include support for NFSv4.

Sorry, my misunderstanding.

>
> I am also curious, Leon, does your regular workload
> mimic that which is measured by the SFS workload or
> are you just using it as a tool to determine variances
> in your configurations?

Unfortunately I don't know how well the SFS represents the regular workload.
It's difficult to collect metrics of the current production NFS server
(there is no DTrace because it's running Linux) so I am using SFS as a
de-facto standard benchmark.

>
> Spencer
>
>

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