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] [33.3% done] [   508/ 83345 kb/s] [eta 00m:06s]
Threads: 3: [FmF] [33.3% done] [   924/     0 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [50.0% done] [  1652/ 22460 kb/s] [eta 00m:05s]
Threads: 3: [FFF] [100.0% done] [     0/ 28396 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] [     0/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [68.2% done] [ 18472/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [76.2% done] [ 33248/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [81.0% done] [ 29684/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [85.7% done] [ 29404/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [90.5% done] [ 37712/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 36736/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 30480/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 32648/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [100.0% done] [ 37148/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=12013
  read : io=100MiB, bw=4,465KiB/s, runt= 23482msec
    slat (msec): min=   51, max=20859, avg=16660.92, stdev=4578.99
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=14457, per=60.58%, avg=8115.44, stdev=4517.43
  write: io=92,484KiB, bw=6,794KiB/s, runt= 13938msec
    slat (msec): min=    0, max=   12, avg= 1.65, stdev= 1.79
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=115481, per=272.39%, avg=57740.50, stdev=81657.40
  cpu          : usr=5.21%, sys=1.52%, ctx=962
  IO depths    : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.4%, 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=12014
  read : io=100MiB, bw=4,498KiB/s, runt= 23312msec
    slat (msec): min=  117, max=18088, avg=13112.20, stdev=3771.56
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   15, max=15005, per=57.19%, avg=7661.76, stdev=5488.35
  write: io=95,824KiB, bw=7,030KiB/s, runt= 13956msec
    slat (msec): min=    0, max=  124, avg= 2.10, stdev= 4.93
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=74140, per=116.69%, avg=24736.33, stdev=42784.84
  cpu          : usr=5.59%, sys=1.39%, ctx=999
  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=12015
  read : io=100MiB, bw=4,565KiB/s, runt= 22967msec
    slat (msec): min=    0, max=21499, avg=16668.55, stdev=4134.48
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    3, max=19407, per=79.58%, avg=10660.75, stdev=5761.98
  write: io=98MiB, bw=7,390KiB/s, runt= 13965msec
    slat (msec): min=    0, max=   21, avg= 2.04, stdev= 2.50
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=96008, per=226.46%, avg=48004.00, stdev=67887.91
  cpu          : usr=5.57%, sys=1.81%, ctx=957
  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=13,396KiB/s, minb=4,465KiB/s, maxb=4,565KiB/s, mint=22967msec, maxt=23482msec
  WRITE: io=282MiB, aggrb=21,198KiB/s, minb=6,794KiB/s, maxb=7,390KiB/s, mint=22967msec, maxt=23482msec

Disk stats (read/write):
  sda: ios=3219/1634, merge=1620/70629, ticks=100980/1686912, in_queue=1787896, util=98.42%
3.84user 1.11system 0:23.87elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2416minor)pagefaults 0swaps