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] [7.9% done] [  3969/ 54169 kb/s] [eta 00m:35s]
Threads: 3: [FmF] [44.4% done] [   886/ 54575 kb/s] [eta 00m:05s]
Threads: 3: [FmF] [45.5% done] [     0/     0 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [   779/ 32878 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] [  6596/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [71.4% done] [ 25584/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [80.0% done] [ 28104/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [85.0% done] [ 27285/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [94.7% done] [ 33327/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 33189/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 32000/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 36107/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 30385/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=29406
  read : io=100MiB, bw=4,528KiB/s, runt= 23156msec
    slat (msec): min=  109, max=21036, avg=17060.82, stdev=3788.98
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=15798, per=68.19%, avg=9155.13, stdev=4938.70
  write: io=97,712KiB, bw=7,268KiB/s, runt= 13765msec
    slat (msec): min=    0, max=   13, avg= 1.91, stdev= 2.04
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=56043, per=135.43%, avg=28021.50, stdev=39628.39
  cpu          : usr=5.29%, sys=1.50%, ctx=831
  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=29407
  read : io=100MiB, bw=4,727KiB/s, runt= 22181msec
    slat (msec): min=  113, max=16681, avg=12104.37, stdev=4003.95
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    8, max=17203, per=62.66%, avg=8412.95, stdev=5839.48
  write: io=88,820KiB, bw=6,603KiB/s, runt= 13773msec
    slat (msec): min=    0, max=   11, avg= 1.76, stdev= 1.88
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=31426, per=75.94%, avg=15713.00, stdev=22221.54
  cpu          : usr=5.18%, sys=1.55%, ctx=1012
  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=29408
  read : io=100MiB, bw=4,475KiB/s, runt= 23429msec
    slat (msec): min=   63, max=20835, avg=16052.53, stdev=4648.80
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   10, max=19084, per=65.20%, avg=8754.22, stdev=5380.15
  write: io=92,124KiB, bw=6,840KiB/s, runt= 13791msec
    slat (msec): min=    0, max=  134, avg= 1.92, stdev= 5.09
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=92441, per=186.44%, avg=38574.00, stdev=48080.57
  cpu          : usr=5.02%, sys=1.76%, ctx=975
  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=13,426KiB/s, minb=4,475KiB/s, maxb=4,727KiB/s, mint=22181msec, maxt=23429msec
  WRITE: io=272MiB, aggrb=20,690KiB/s, minb=6,603KiB/s, maxb=7,268KiB/s, mint=22181msec, maxt=23429msec

Disk stats (read/write):
  sda: ios=3374/1886, merge=1291/67606, ticks=77364/1651272, in_queue=1735716, util=99.02%
3.60user 1.12system 0:23.75elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2410minor)pagefaults 0swaps