RE: IO mixed : 12% seqread, 8% seqwrite, 80% random (30% W, 70%R)

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Hi Andrey,


>Covered in the FIO HOWTO under rw and percentage_random options.
I tried this configuration but when i run, it doesn't do that expected.


[global]
ioengine=posixaio
invalidate=0
norandommap
ramp_time=5
iodepth=8
runtime=60
time_based
direct=1
numjobs=1
group_reporting
filesize=100M
blocksize=8k
percentage_random=12,8     <= 12% seqread, 8% seqwrite
rw=randrw
rwmixread=70    <= 70% randread and 30% randwrite for others


[hdisk10]
stonewall
filename=/dev/rhdisk10


Regards,
Thierry



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