fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test1 --filename=test1 --bs=16k --iodepth=64 --size=4G --readwrite=randrw --rwmixread=75
test1: (g=0): rw=randrw, bs=(R) 16.0KiB-16.0KiB, (W) 16.0KiB-16.0KiB, (T) 16.0KiB-16.0KiB, ioengine=libaio, iodepth=64
fio-3.7
Starting 1 process
test1: Laying out IO file (1 file / 4096MiB)
Jobs: 1 (f=1): [m(1)][100.0%][r=14.3MiB/s,w=4400KiB/s][r=916,w=275 IOPS][eta 00m:00s]
test1: (groupid=0, jobs=1): err= 0: pid=25115: Mon Jun 8 14:52:47 2020
read: IOPS=804, BW=12.6MiB/s (13.2MB/s)(3070MiB/244164msec)
bw ( KiB/s): min= 2688, max=44800, per=99.92%, avg=12866.04, stdev=5524.72, samples=488
iops : min= 168, max= 2800, avg=804.07, stdev=345.32, samples=488
write: IOPS=268, BW=4302KiB/s (4405kB/s)(1026MiB/244164msec)
bw ( KiB/s): min= 448, max=16032, per=99.93%, avg=4298.12, stdev=1860.36, samples=488
iops : min= 28, max= 1002, avg=268.57, stdev=116.28, samples=488
cpu : usr=0.70%, sys=2.03%, ctx=23455, majf=0, minf=26
IO depths : 1=0.1%, 2=0.1%, 4=0.1%, 8=0.1%, 16=0.1%, 32=0.1%, >=64=100.0%
submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.1%, >=64=0.0%
issued rwts: total=196498,65646,0,0 short=0,0,0,0 dropped=0,0,0,0
latency : target=0, window=0, percentile=100.00%, depth=64
Run status group 0 (all jobs):
READ: bw=12.6MiB/s (13.2MB/s), 12.6MiB/s-12.6MiB/s (13.2MB/s-13.2MB/s), io=3070MiB (3219MB), run=244164-244164msec
WRITE: bw=4302KiB/s (4405kB/s), 4302KiB/s-4302KiB/s (4405kB/s-4405kB/s), io=1026MiB (1076MB), run=244164-244164msec
Disk stats (read/write):
sda: ios=196336/65868, merge=0/297, ticks=11931860/3564258, in_queue=15497804, util=100.00%
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