On Thu, Apr 19 2007, Valerie Clement wrote: > Jens Axboe wrote: > >On Thu, Apr 19 2007, Valerie Clement wrote: > >>Jens Axboe wrote: > >>>Please tell me how you are running ffsb, and also please include a > >>>dmessg from a booted system. > >>> > >>Hi, > >>our mails crossed! please see my response to Andrew. > >>You could reproduce the problem with dd command as suggested, it's more > >>easy. > >>I'm sending you the dmesg info. For my tests I used the scsci sdc device. > > > >Thanks, it does. Can you try one thing for me? If you run the test on > >sdc, try doing: > > > ># echo 64 > /sys/block/sdc/queue/iosched/quantum > > > >and repeat the test. > > > > OK, that's done. > > With the change of quantum, the throughput scores are now a little bit > better in 2.6.21 than in 2.6.20. Wonderful, now try the patch I sent in the next mail and repeat the test. -- Jens Axboe - To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
