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] [37.5% done] [  2997/ 91131 kb/s] [eta 00m:05s]
Threads: 3: [FFm] [40.0% done] [  3018/     0 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [   344/ 43044 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] [     0/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [69.6% done] [ 16892/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [70.8% done] [ 25228/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [78.3% done] [ 30672/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [82.6% done] [ 31204/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [90.9% done] [ 29060/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [95.5% done] [ 30280/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 30024/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 30428/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 34988/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=1462
  read : io=100MiB, bw=4,135KiB/s, runt= 25356msec
    slat (msec): min=14802, max=24431, avg=20445.23, stdev=2842.03
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    5, max=19189, per=83.46%, avg=10345.65, stdev=4772.71
  write: io=100MiB, bw=6,919KiB/s, runt= 15154msec
    slat (msec): min=    0, max=   11, avg= 1.84, stdev= 2.01
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=111029, per=285.97%, avg=55514.50, stdev=78509.36
  cpu          : usr=4.91%, sys=1.59%, ctx=190
  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=1463
  read : io=100MiB, bw=4,404KiB/s, runt= 23805msec
    slat (msec): min=   57, max=21041, avg=15879.01, stdev=4385.73
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=17539, per=77.41%, avg=9595.72, stdev=4763.17
  write: io=91,220KiB, bw=6,165KiB/s, runt= 15150msec
    slat (msec): min=    0, max=   11, avg= 1.60, stdev= 1.77
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=118005, per=303.93%, avg=59002.50, stdev=83442.14
  cpu          : usr=5.19%, sys=1.63%, ctx=328
  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=1464
  read : io=100MiB, bw=4,132KiB/s, runt= 25375msec
    slat (msec): min=   70, max=20786, avg=15939.60, stdev=5077.50
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   20, max=17183, per=59.71%, avg=7401.04, stdev=5367.03
  write: io=93,676KiB, bw=6,331KiB/s, runt= 15150msec
    slat (msec): min=    0, max=  102, avg= 2.02, stdev= 4.16
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=86923, per=149.37%, avg=28996.33, stdev=50165.98
  cpu          : usr=4.71%, sys=1.77%, ctx=334
  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=12,396KiB/s, minb=4,132KiB/s, maxb=4,404KiB/s, mint=23805msec, maxt=25375msec
  WRITE: io=281MiB, aggrb=19,413KiB/s, minb=6,165KiB/s, maxb=6,919KiB/s, mint=23805msec, maxt=25375msec

Disk stats (read/write):
  sda: ios=1473/2339, merge=6433/69436, ticks=185328/2038156, in_queue=2223488, util=98.72%
3.74user 1.24system 0:25.74elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2418minor)pagefaults 0swaps