On Thu, Jan 28, 2010 at 07:38:28PM +0100, Bart Van Assche wrote:
> On Thu, Jan 28, 2010 at 4:01 PM, Joe Landman
> <land...@scalableinformatics.com> wrote:
> > Pasi Kärkkäinen wrote:
> >>
> >> Please check these news items:
> >>
> >> http://blog.fosketts.net/2010/01/14/microsoft-intel-push-million-iscsi-iops/
> >>
> >> http://communities.intel.com/community/openportit/server/blog/2010/01/19/1000000-iops-with-iscsi--thats-not-a-typo
> >>
> >> http://www.infostor.com/index/blogs_new/dave_simpson_storage/blogs/infostor/dave_simpon_storage/post987_37501094375591341.html
> >>
> >> "1,030,000 IOPS over a single 10 Gb Ethernet link"
> >
> > This is less than 1us per IOP.  Interesting.  Their hardware may not
> > actually support this.  10GbE typically is 7-10us, though ConnectX and some
> > others get down to 2ish.
> 
> Which I/O depth has been used in the test ? Latency matters most with
> an I/O depth of one and is almost irrelevant for high I/O depth
> values.
> 

iirc outstanding I/Os was 20 in that benchmark.

-- Pasi

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