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] [6.0% done] [  1820/     0 kb/s] [eta 00m:47s]
Threads: 3: [FmF] [7.1% done] [  1784/     0 kb/s] [eta 00m:52s]
Threads: 3: [FmF] [9.3% done] [  3296/     0 kb/s] [eta 00m:49s]
Threads: 3: [FmF] [10.5% done] [  1896/     0 kb/s] [eta 00m:51s]
Threads: 3: [FmF] [12.5% done] [  3128/     0 kb/s] [eta 00m:49s]
Threads: 3: [FmF] [33.3% done] [  1468/ 30072 kb/s] [eta 00m:16s]
Threads: 3: [FFF] [100.0% done] [     0/ 51738 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] [  9868/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [76.2% done] [ 28276/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [81.0% done] [ 30572/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [85.7% done] [ 29660/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [90.5% done] [ 34341/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [95.2% done] [ 36276/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 35588/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 28344/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 30316/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=460
  read : io=100MiB, bw=4,383KiB/s, runt= 23923msec
    slat (msec): min=13916, max=22987, avg=18895.89, stdev=2472.25
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=16938, per=80.84%, avg=10630.19, stdev=4929.65
  write: io=100MiB, bw=7,312KiB/s, runt= 14340msec
    slat (msec): min=    0, max=   14, avg= 1.88, stdev= 1.97
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=113878, per=285.47%, avg=56939.00, stdev=80523.91
  cpu          : usr=5.22%, sys=1.47%, ctx=738
  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=461
  read : io=100MiB, bw=4,410KiB/s, runt= 23774msec
    slat (msec): min=   55, max=15262, avg=10269.65, stdev=4310.72
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   21, max=13285, per=44.84%, avg=5895.73, stdev=4219.39
  write: io=81,760KiB, bw=5,828KiB/s, runt= 14364msec
    slat (msec): min=    0, max=   11, avg= 1.52, stdev= 1.71
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=117919, per=295.60%, avg=58959.50, stdev=83381.32
  cpu          : usr=4.91%, sys=1.30%, ctx=1118
  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=462
  read : io=100MiB, bw=4,461KiB/s, runt= 23505msec
    slat (msec): min=    0, max=21251, avg=16249.63, stdev=4190.66
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   20, max=18702, per=73.81%, avg=9705.61, stdev=5770.94
  write: io=97,080KiB, bw=6,885KiB/s, runt= 14438msec
    slat (msec): min=    0, max=  120, avg= 1.94, stdev= 4.54
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=110258, per=276.39%, avg=55129.00, stdev=77964.18
  cpu          : usr=5.16%, sys=1.87%, ctx=939
  IO depths    : 1=12.6%, 2=25.1%, 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=13,149KiB/s, minb=4,383KiB/s, maxb=4,461KiB/s, mint=23505msec, maxt=23923msec
  WRITE: io=275MiB, aggrb=19,946KiB/s, minb=5,828KiB/s, maxb=7,312KiB/s, mint=23505msec, maxt=23923msec

Disk stats (read/write):
  sda: ios=3347/2017, merge=1252/68165, ticks=78472/1886344, in_queue=1964816, util=99.06%
3.69user 1.10system 0:24.13elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2421minor)pagefaults 0swaps