On Fri, Feb 23, 2007 at 03:58:26PM +0100, Ingo Molnar wrote: > > * Suparna Bhattacharya <[EMAIL PROTECTED]> wrote: > > > As a really crude (and not very realistic) example of the potential > > impact of large numbers of outstanding IOs, I tried some quick direct > > IO comparisons using fio: > > > > [global] > > ioengine=syslet-rw > > buffered=0 > > rw=randread > > bs=64k > > size=1024m > > iodepth=64 > > could you please try those iodepth=20000 tests with the latest > fio-testing branch of fio as well? Jens wrote a new, smarter syslet > plugin for FIO. You'll need the v3 syslet kernel plus: > > git-clone git://git.kernel.dk/data/git/fio.git > cd fio > git-checkout syslet-testing > > my expectation is that it should behave better with iodepth=20000 > (although i havent tried that yet).
I picked up the fio snapshot from 22nd Feb (fio-git-20070222212513.tar.gz) and used the v3 syslet patches from your web-site. Do I still need to get something more recent ? Regards Suparna > > Ingo -- Suparna Bhattacharya ([EMAIL PROTECTED]) Linux Technology Center IBM Software Lab, India - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
