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] [6.4% done] [  1052/ 11732 kb/s] [eta 00m:44s]
Threads: 3: [FFm] [6.9% done] [   804/     0 kb/s] [eta 00m:54s]
Threads: 3: [FFm] [71.4% done] [   856/ 88156 kb/s] [eta 00m:02s]
Threads: 3: [FFF] [100.0% done] [     0/  2844 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] [ 18324/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [68.0% done] [ 36128/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [75.0% done] [ 28203/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [79.2% done] [ 28628/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [90.9% done] [ 35752/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [95.5% done] [ 31740/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 35540/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 37696/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [100.0% done] [ 35964/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=15996
  read : io=100MiB, bw=4,270KiB/s, runt= 24556msec
    slat (msec): min=   27, max=21874, avg=18432.25, stdev=4058.07
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=20163, per=67.56%, avg=8653.94, stdev=6607.82
  write: io=98,800KiB, bw=6,717KiB/s, runt= 15060msec
    slat (msec): min=    0, max=   18, avg= 2.39, stdev= 3.17
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=37667, per=114.37%, avg=22724.00, stdev=20002.72
  cpu          : usr=5.72%, sys=1.43%, ctx=880
  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=15997
  read : io=100MiB, bw=4,471KiB/s, runt= 23450msec
    slat (msec): min=14204, max=22309, avg=18223.47, stdev=2454.36
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   10, max=20447, per=93.14%, avg=11930.71, stdev=4986.90
  write: io=100MiB, bw=6,964KiB/s, runt= 15056msec
    slat (msec): min=    0, max=   20, avg= 2.41, stdev= 3.28
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=115744, per=300.32%, avg=59668.00, stdev=57955.55
  cpu          : usr=6.14%, sys=1.74%, ctx=844
  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=15998
  read : io=100MiB, bw=4,327KiB/s, runt= 24232msec
    slat (msec): min=   75, max=19217, avg=14512.59, stdev=4201.49
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    3, max=20708, per=63.26%, avg=8103.95, stdev=5640.20
  write: io=91,000KiB, bw=6,187KiB/s, runt= 15060msec
    slat (msec): min=    0, max=    9, avg= 1.52, stdev= 1.64
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=118767, per=298.89%, avg=59383.50, stdev=83980.95
  cpu          : usr=4.95%, sys=1.35%, ctx=1023
  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%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,810KiB/s, minb=4,270KiB/s, maxb=4,471KiB/s, mint=23450msec, maxt=24556msec
  WRITE: io=285MiB, aggrb=19,868KiB/s, minb=6,187KiB/s, maxb=6,964KiB/s, mint=23450msec, maxt=24556msec

Disk stats (read/write):
  sda: ios=3129/2105, merge=1092/70863, ticks=100864/1923348, in_queue=2024212, util=98.13%
4.09user 1.14system 0:24.99elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2422minor)pagefaults 0swaps