Hi, On Fri, 26 Apr 2019 at 06:34, Prabhakaran <prabhugce@xxxxxxxxx> wrote: > > Hi, > > I’m trying to do both Random and Sequential operations simultaneously > in one job. In specific, I would like to do Sequential Writes and > Random Reads in parallel. Here is what I have got so far. > > [global] > ioengine=libaio > disable_slat=1 > disable_lat=1 > thread > direct=1 > > [job2] > stonewall > bs=128kb,4kb > ba=128kb,4kb > rw=randrw > iodepth=256 > runtime=5s > time_based=1 > log_avg_msec=0 > randrepeat=0 > norandommap > refill_buffers > write_bw_log=job2 > write_iops_log=job2 > write_lat_log=job2 > bs_is_seq_rand=1 > rwmixread=1 > percentage_random=50 > > I’m assuming the above job would do 128k Sequential and 4k Random (50% > each), writes and reads (with reads=1%) combined for both Sequential > and Random, for 5s. > I’m still not able to do just Sequential Writes and Random Reads alone > in parallel. > > Thanks, > Prabhu percentage_random can be split into reads/writes/trims with commas (see https://fio.readthedocs.io/en/latest/fio_doc.html#cmdoption-arg-percentage-random ) so that might help you out... Alternatively because you have a 50/50 split you can use two separate jobs and tie them together with flow (https://fio.readthedocs.io/en/latest/fio_doc.html#cmdoption-arg-flow ). -- Sitsofe | http://sucs.org/~sits/
