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: [mmm] [6.5% done] [ 11360/   172 kb/s] [eta 00m:43s]
Threads: 3: [mmm] [9.3% done] [  9620/ 55980 kb/s] [eta 00m:39s]
Threads: 3: [mmF] [50.0% done] [  6172/ 88320 kb/s] [eta 00m:05s]
Threads: 3: [mFF] [50.0% done] [  4208/ 27060 kb/s] [eta 00m:06s]
Threads: 3: [mFF] [50.0% done] [  1536/     0 kb/s] [eta 00m:07s]
Threads: 3: [mFF] [50.0% done] [  1680/     0 kb/s] [eta 00m:08s]
Threads: 3: [FFF] [100.0% done] [   212/ 25440 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] [68.0% done] [  3140/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [69.2% done] [ 22624/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [73.1% done] [ 30652/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [74.1% done] [ 24532/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [77.8% done] [ 29276/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [84.6% done] [ 29716/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [95.8% done] [ 30176/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 24448/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 32268/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=14716
  read : io=100MiB, bw=3,995KiB/s, runt= 26244msec
    slat (msec): min=   63, max=17790, avg=13007.51, stdev=5657.60
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    9, max=28647, per=50.99%, avg=6112.25, stdev=6394.06
  write: io=80,988KiB, bw=4,957KiB/s, runt= 16728msec
    slat (msec): min=    0, max=  161, avg= 2.21, stdev= 8.81
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=87162, per=189.23%, avg=29065.00, stdev=50313.48
  cpu          : usr=4.40%, sys=1.49%, ctx=1178
  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=14717
  read : io=100MiB, bw=4,105KiB/s, runt= 25538msec
    slat (msec): min=   65, max=19733, avg=13719.79, stdev=5791.58
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    4, max=17795, per=58.63%, avg=7027.55, stdev=4997.70
  write: io=83,040KiB, bw=5,085KiB/s, runt= 16720msec
    slat (msec): min=    0, max=  129, avg= 2.05, stdev= 7.00
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=91534, per=199.10%, avg=30581.00, stdev=52786.95
  cpu          : usr=4.60%, sys=1.33%, ctx=1148
  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=14718
  read : io=100MiB, bw=4,074KiB/s, runt= 25735msec
    slat (msec): min=   94, max=20892, avg=14457.59, stdev=5699.18
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   16, max=27156, per=64.39%, avg=7717.27, stdev=7186.75
  write: io=86,892KiB, bw=5,321KiB/s, runt= 16720msec
    slat (msec): min=    0, max=  143, avg= 2.06, stdev= 6.70
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=87143, per=189.24%, avg=29068.00, stdev=50294.43
  cpu          : usr=4.57%, sys=1.32%, ctx=1103
  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=11,986KiB/s, minb=3,995KiB/s, maxb=4,105KiB/s, mint=25538msec, maxt=26244msec
  WRITE: io=245MiB, aggrb=15,360KiB/s, minb=4,957KiB/s, maxb=5,321KiB/s, mint=25538msec, maxt=26244msec

Disk stats (read/write):
  sda: ios=4016/1983, merge=1336/60598, ticks=77484/1998532, in_queue=2079580, util=99.23%
3.55user 1.08system 0:26.54elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2415minor)pagefaults 0swaps