On Thu, Oct 17 2013, Brian L. wrote: > Hello there, > > I would like to simulate the following workload - 2 process total that > is contenting for read / write IO on the same disk: > > 1 process is doing a sequential writes > 1 process is down random reads > > This is my FIO job file: > > ## job file start ## > > [global] > filename=${mydisk} > size=5G > iodepth=${myiodepth} > bs=${myblocksize} > ioengine=libaio > ramp_time=10s > norandommap=1 > randrepeat=0 > refill_buffers > group_reporting=1 > direct=1 > end_fsync=0 > invalidate=1 > nice=0 > prio=0 > prioclass=1 > > [process_1_seq_write] > rw=write > write_bw_log=process_1_seq_write.${mydisksub} > > [process_2_rand_read] > rw=randread > write_bw_log=process_2_rand_read.${mydiskzub} > > ## job file end ## > > I have ran it and it looks right but just want to check with someone > else to valid that it is correct. Job file does what you describe, so you should be good. -- Jens Axboe -- 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