HI, On 6 April 2017 at 17:46, GV Govindasamy <gv.govindasamy@xxxxxxxxxxx> wrote: > Thank you, Yes. when I remove “rate_process=poisson”, the IOPS are down to about 85% - 90%. > > I checked with rate_iops=100 and rate_iops=1000. In both cases, I got 85%-90% of rate_iops given. > > How do I accomplish 100% of IOPS? > > [db-oltp-w] > > bssplit=8k/90:16k/10,, > > size=128G > > filename=/dev/sdg > > rw=randread > > iodepth=8 > > rate_iops=100 It seems to be a quirk of using bsplit with rate_iops. If the difference between the bsplit sizes is larger then the drop in the iops achieved will be even higher... -- Sitsofe | http://sucs.org/~sits/ -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
