fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [FFm] [42.9% done] [   398/ 31731 kb/s] [eta 00m:04s]
Threads: 3: [FFm] [44.4% done] [   788/     0 kb/s] [eta 00m:05s]
Threads: 3: [FFm] [45.5% done] [  1284/     0 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [   591/ 36134 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [68.4% done] [     0/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [70.0% done] [ 17845/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [75.0% done] [ 34888/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [80.0% done] [ 27716/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [89.5% done] [ 28404/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [94.7% done] [ 36460/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 37972/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 35232/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 29016/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [100.0% done] [ 33000/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=28308
  read : io=100MiB, bw=4,625KiB/s, runt= 22671msec
    slat (msec): min=  186, max=21059, avg=17113.22, stdev=3113.17
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=33515, per=74.30%, avg=10309.35, stdev=8205.52
  write: io=99MiB, bw=7,921KiB/s, runt= 13039msec
    slat (msec): min=    0, max=   17, avg= 2.04, stdev= 2.31
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=44395, per=96.16%, avg=22197.50, stdev=31392.01
  cpu          : usr=5.59%, sys=1.61%, ctx=798
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=28309
  read : io=100MiB, bw=4,705KiB/s, runt= 22283msec
    slat (msec): min=12381, max=21334, avg=17160.45, stdev=2861.59
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    8, max=25359, per=83.00%, avg=11516.25, stdev=6690.93
  write: io=100MiB, bw=8,061KiB/s, runt= 13008msec
    slat (msec): min=    0, max=   20, avg= 2.16, stdev= 2.29
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=109043, per=236.18%, avg=54521.50, stdev=77105.04
  cpu          : usr=5.82%, sys=1.60%, ctx=745
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=28310
  read : io=100MiB, bw=4,743KiB/s, runt= 22104msec
    slat (msec): min=   75, max=16185, avg=11401.69, stdev=3734.54
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   30, max=19082, per=51.62%, avg=7161.91, stdev=5578.75
  write: io=90,692KiB, bw=7,126KiB/s, runt= 13032msec
    slat (msec): min=    0, max=  405, avg= 2.53, stdev=17.92
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=62445, per=90.33%, avg=20851.67, stdev=36020.93
  cpu          : usr=5.39%, sys=1.81%, ctx=895
  IO depths    : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=13,875KiB/s, minb=4,625KiB/s, maxb=4,743KiB/s, mint=22104msec, maxt=22671msec
  WRITE: io=287MiB, aggrb=23,085KiB/s, minb=7,126KiB/s, maxb=8,061KiB/s, mint=22104msec, maxt=22671msec

Disk stats (read/write):
  sda: ios=3079/1882, merge=1496/71539, ticks=83180/1657732, in_queue=1742284, util=98.73%
3.82user 1.13system 0:22.95elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2430minor)pagefaults 0swaps