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: [FFF] [100.0% done] [   544/ 64701 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: [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] [68.2% done] [ 16124/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [72.7% done] [ 31238/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [77.3% done] [ 30240/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [85.7% done] [ 33720/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [95.0% done] [ 33764/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 33876/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 35768/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 39624/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 35672/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=12642
  read : io=100MiB, bw=4,472KiB/s, runt= 23446msec
    slat (msec): min=13762, max=22341, avg=19075.63, stdev=2227.54
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    6, max=23547, per=84.95%, avg=11285.80, stdev=6510.66
  write: io=100MiB, bw=7,375KiB/s, runt= 14217msec
    slat (msec): min=    0, max=   20, avg= 2.30, stdev= 3.04
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=116662, per=294.49%, avg=63250.33, stdev=58950.02
  cpu          : usr=6.09%, sys=1.69%, ctx=778
  IO depths    : 1=12.6%, 2=25.1%, 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=12643
  read : io=100MiB, bw=4,610KiB/s, runt= 22741msec
    slat (msec): min=13046, max=21399, avg=17041.06, stdev=2485.19
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   10, max=19384, per=90.68%, avg=12047.14, stdev=4910.37
  write: io=100MiB, bw=7,371KiB/s, runt= 14225msec
    slat (msec): min=    0, max=   21, avg= 3.09, stdev= 3.60
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=68610, per=208.48%, avg=44778.00, stdev=38805.72
  cpu          : usr=7.04%, sys=1.69%, ctx=907
  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=12644
  read : io=100MiB, bw=4,428KiB/s, runt= 23677msec
    slat (msec): min=   18, max=21148, avg=16959.25, stdev=4345.35
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    1, max=15032, per=65.51%, avg=8703.65, stdev=5029.03
  write: io=94,308KiB, bw=6,772KiB/s, runt= 14260msec
    slat (msec): min=    0, max=   26, avg= 2.38, stdev= 3.32
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=116298, per=205.52%, avg=44141.00, stdev=55646.33
  cpu          : usr=5.91%, sys=1.57%, ctx=1117
  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%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=13,286KiB/s, minb=4,428KiB/s, maxb=4,610KiB/s, mint=22741msec, maxt=23677msec
  WRITE: io=292MiB, aggrb=21,478KiB/s, minb=6,772KiB/s, maxb=7,375KiB/s, mint=22741msec, maxt=23677msec

Disk stats (read/write):
  sda: ios=2946/2084, merge=1016/72306, ticks=102416/1822760, in_queue=1941984, util=96.82%
4.49user 1.18system 0:23.91elapsed 23%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2421minor)pagefaults 0swaps