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: [FmF] [25.0% done] [  1394/ 52314 kb/s] [eta 00m:09s]
Threads: 3: [FmF] [26.7% done] [  3528/     0 kb/s] [eta 00m:11s]
Threads: 3: [FmF] [62.5% done] [  1224/ 47379 kb/s] [eta 00m:03s]
Threads: 3: [FmF] [66.7% done] [  1516/  8932 kb/s] [eta 00m:03s]
Threads: 3: [FFF] [100.0% done] [   519/  1697 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] [66.7% done] [  5951/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [70.8% done] [ 29306/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [78.3% done] [ 26529/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [86.4% done] [ 29554/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [90.9% done] [ 32232/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 35678/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 39408/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 28230/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 30117/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=15512
  read : io=100MiB, bw=4,127KiB/s, runt= 25407msec
    slat (msec): min=   24, max=23374, avg=18961.29, stdev=3622.99
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=15037, per=75.42%, avg=9282.33, stdev=5553.76
  write: io=98MiB, bw=6,472KiB/s, runt= 15825msec
    slat (msec): min=    0, max=   29, avg= 2.04, stdev= 2.43
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=107916, per=195.89%, avg=36124.67, stdev=62173.54
  cpu          : usr=4.96%, sys=1.37%, ctx=835
  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%
fio: (groupid=0): err= 0: pid=15513
  read : io=100MiB, bw=4,143KiB/s, runt= 25304msec
    slat (msec): min=   15, max=19063, avg=13289.71, stdev=5496.70
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    5, max=23283, per=55.01%, avg=6770.76, stdev=5845.99
  write: io=89,164KiB, bw=5,746KiB/s, runt= 15889msec
    slat (msec): min=    0, max=   61, avg= 2.52, stdev= 5.12
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=109057, per=178.93%, avg=32996.40, stdev=48819.56
  cpu          : usr=5.33%, sys=1.56%, ctx=1128
  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=15514
  read : io=100MiB, bw=4,102KiB/s, runt= 25558msec
    slat (msec): min=   63, max=23274, avg=18450.17, stdev=3991.52
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   13, max=19356, per=74.50%, avg=9169.37, stdev=6137.38
  write: io=96,956KiB, bw=6,263KiB/s, runt= 15852msec
    slat (msec): min=    0, max=   68, avg= 2.43, stdev= 4.35
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=113459, per=230.13%, avg=42438.75, stdev=54146.06
  cpu          : usr=5.76%, sys=1.42%, ctx=931
  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=12,308KiB/s, minb=4,102KiB/s, maxb=4,143KiB/s, mint=25304msec, maxt=25558msec
  WRITE: io=279MiB, aggrb=18,441KiB/s, minb=5,746KiB/s, maxb=6,472KiB/s, mint=25304msec, maxt=25558msec

Disk stats (read/write):
  sda: ios=3415/2417, merge=1313/68988, ticks=79876/2109192, in_queue=2198672, util=97.42%
4.13user 1.11system 0:25.87elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2423minor)pagefaults 0swaps