ceph@ceph8:fio-2.1.3$ cat 1job4k.fio
[global]
bs=4k
;ioengine=libaio
ioengine=sync
iodepth=128
;size=4k
size=100%
direct=0
runtime=10
time_based
;directory=/mount-point-of-ssd
filename=/dev/sdd
numjobs=1
group_reporting

;[seq-write]
;rw=write
;stonewall

;[seq-read]
;rw=read
;stonewall

[rand-read]
rw=randread
stonewall

;[rand-write]
;rw=randwrite
;stonewall