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] [15.8% done] [ 20972/ 12568 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [22.2% done] [ 19052/ 19668 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [27.8% done] [ 15074/ 13593 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [35.3% done] [ 32252/  7768 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [41.2% done] [ 20876/  3340 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [47.1% done] [ 26412/  4432 kb/s] [eta 00m:09s]
Threads: 3: [Fmm] [50.0% done] [ 12496/     0 kb/s] [eta 00m:09s]
Threads: 3: [Fmm] [58.8% done] [ 12404/  1372 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [61.1% done] [  4312/  2232 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [63.2% done] [  5040/   988 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [65.0% done] [  3843/  2017 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [66.7% done] [  1348/  4700 kb/s] [eta 00m:07s]
Threads: 2: [EFF] [100.0% done] [ 30500/   496 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [86.4% done] [ 63772/     0 kb/s] [eta 00m:03s]
fio: (groupid=0): err= 0: pid=5142
  read : io=100MiB, bw=6,907KiB/s, runt= 15181msec
    clat (msec): min=    0, max=  399, avg= 3.07, stdev=26.45
    bw (KiB/s) : min=    7, max=19361, per=61.11%, avg=9923.77, stdev=8021.06
  write: io=26,364KiB, bw=1,796KiB/s, runt= 15027msec
    clat (msec): min=    0, max= 1053, avg= 7.49, stdev=63.82
    bw (KiB/s) : min=    0, max=18317, per=110.48%, avg=5737.00, stdev=6936.73
  cpu          : usr=5.93%, sys=0.97%, ctx=725
  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=95.8%, 4=0.5%, 10=1.4%, 20=0.6%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.9%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5143
  read : io=100MiB, bw=5,478KiB/s, runt= 19139msec
    clat (msec): min=    0, max=  311, avg= 6.05, stdev=28.31
    bw (KiB/s) : min=    7, max=12853, per=29.26%, avg=4750.63, stdev=4120.54
  write: io=35,452KiB, bw=1,917KiB/s, runt= 18935msec
    clat (msec): min=    0, max=  244, avg= 7.92, stdev=30.43
    bw (KiB/s) : min=    0, max=18094, per=94.14%, avg=4888.62, stdev=6108.70
  cpu          : usr=5.16%, sys=1.25%, ctx=4438
  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=77.8%, 4=2.7%, 10=7.8%, 20=7.8%, 50=1.2%, 100=0.1%
     lat (msec): 250=2.4%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5144
  read : io=100MiB, bw=5,412KiB/s, runt= 19372msec
    clat (msec): min=    0, max=  300, avg= 5.12, stdev=26.81
    bw (KiB/s) : min=   12, max=12054, per=31.60%, avg=5131.22, stdev=3977.95
  write: io=35,416KiB, bw=1,891KiB/s, runt= 19170msec
    clat (msec): min=    0, max=  482, avg= 8.46, stdev=35.50
    bw (KiB/s) : min=    0, max=12377, per=70.63%, avg=3667.69, stdev=4471.11
  cpu          : usr=4.89%, sys=1.18%, ctx=4214
  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=81.3%, 4=2.0%, 10=7.0%, 20=6.2%, 50=0.9%, 100=0.0%
     lat (msec): 250=2.3%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,238KiB/s, minb=5,412KiB/s, maxb=6,907KiB/s, mint=15181msec, maxt=19372msec
  WRITE: io=97,232KiB, aggrb=5,193KiB/s, minb=1,796KiB/s, maxb=1,917KiB/s, mint=15181msec, maxt=19372msec

Disk stats (read/write):
  sda: ios=9068/1182, merge=0/23190, ticks=35556/1579880, in_queue=1615436, util=97.89%
2.84user 0.69system 0:19.78elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9068major+93040minor)pagefaults 0swaps