fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmm] [16.7% done] [ 21972/  7172 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [22.2% done] [ 10938/ 11407 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [29.4% done] [ 10380/ 16160 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [33.3% done] [ 14764/  8884 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [41.2% done] [ 13804/ 16136 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [47.1% done] [ 14268/ 10864 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [52.9% done] [ 30360/     0 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [58.8% done] [ 14148/  9360 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [61.1% done] [  3908/  3984 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [63.2% done] [  3272/  3408 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [61.9% done] [  3968/  4024 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [66.7% done] [  3164/  3964 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  2980/  2260 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VFF] [68.0% done] [  1576/     0 kb/s] [eta 00m:08s]
Threads: 2: [_FF] [100.0% done] [ 35256/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VF] [80.0% done] [ 17068/     0 kb/s] [eta 00m:05s]
fio: (groupid=0): err= 0: pid=4450
  read : io=100MiB, bw=5,994KiB/s, runt= 17492msec
    clat (msec): min=    0, max=  291, avg= 5.05, stdev=30.70
    bw (KiB/s) : min=   12, max=15580, per=37.79%, avg=5605.65, stdev=4955.44
  write: io=36,832KiB, bw=2,182KiB/s, runt= 17281msec
    clat (msec): min=    0, max=  293, avg= 8.67, stdev=39.06
    bw (KiB/s) : min=    0, max=11115, per=68.92%, avg=4237.33, stdev=4542.31
  cpu          : usr=5.42%, sys=1.10%, ctx=2427
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=87.0%, 4=1.1%, 10=4.7%, 20=4.4%, 50=0.5%, 100=0.0%
     lat (msec): 250=1.6%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4451
  read : io=100MiB, bw=5,130KiB/s, runt= 20440msec
    clat (msec): min=    0, max=  295, avg= 5.02, stdev=28.22
    bw (KiB/s) : min=    3, max=20768, per=40.58%, avg=6019.29, stdev=5431.90
  write: io=30,340KiB, bw=1,533KiB/s, runt= 20262msec
    clat (msec): min=    0, max=  307, avg=10.75, stdev=41.57
    bw (KiB/s) : min=    0, max=10024, per=57.20%, avg=3516.60, stdev=3785.08
  cpu          : usr=4.58%, sys=1.08%, ctx=3606
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=81.9%, 4=2.4%, 10=5.8%, 20=6.7%, 50=0.7%, 100=0.1%
     lat (msec): 250=1.8%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4452
  read : io=100MiB, bw=4,944KiB/s, runt= 21208msec
    clat (msec): min=    0, max=  277, avg= 3.40, stdev=22.87
    bw (KiB/s) : min=    3, max=11582, per=26.27%, avg=3895.67, stdev=4272.87
  write: io=58,184KiB, bw=2,853KiB/s, runt= 20878msec
    clat (msec): min=    0, max=  405, avg= 8.97, stdev=39.53
    bw (KiB/s) : min=    0, max=20023, per=72.37%, avg=4449.61, stdev=5022.96
  cpu          : usr=5.28%, sys=1.21%, ctx=3658
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=85.4%, 4=1.5%, 10=4.7%, 20=5.6%, 50=0.6%, 100=0.2%
     lat (msec): 250=1.5%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=14,832KiB/s, minb=4,944KiB/s, maxb=5,994KiB/s, mint=17492msec, maxt=21208msec
  WRITE: io=122MiB, aggrb=6,148KiB/s, minb=1,533KiB/s, maxb=2,853KiB/s, mint=17492msec, maxt=21208msec

Disk stats (read/write):
  sda: ios=9446/1333, merge=0/30106, ticks=39872/1413940, in_queue=1453812, util=97.84%
3.00user 0.69system 0:21.64elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9445major+99709minor)pagefaults 0swaps