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
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