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] [17.6% done] [ 25020/  5116 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [23.5% done] [ 26540/  5860 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [31.2% done] [ 17396/ 12784 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [37.5% done] [ 16624/ 12376 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [41.2% done] [ 16344/ 11832 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [47.1% done] [ 15348/ 14356 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [50.0% done] [  6448/  6544 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [55.6% done] [ 12087/   844 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [57.9% done] [ 10023/  2517 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [60.0% done] [  3080/  5298 kb/s] [eta 00m:08s]
Threads: 3: [mFF] [61.9% done] [  4746/   874 kb/s] [eta 00m:08s]
Threads: 3: [mFF] [63.6% done] [     0/     0 kb/s] [eta 00m:08s]
Threads: 3: [mFV] [62.5% done] [  5595/     0 kb/s] [eta 00m:09s]
Threads: 2: [mV_] [61.5% done] [ 28314/     0 kb/s] [eta 00m:10s]
Threads: 1: [F__] [100.0% done] [ 39870/  3689 kb/s] [eta 00m:00s]
Threads: 1: [F__] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=4561
  read : io=100MiB, bw=5,695KiB/s, runt= 18410msec
    clat (msec): min=    0, max= 3365, avg= 7.13, stdev=86.14
    bw (KiB/s) : min=    8, max=13870, per=30.49%, avg=5209.75, stdev=4255.86
  write: io=29,676KiB, bw=1,666KiB/s, runt= 18239msec
    clat (msec): min=    0, max=  250, avg= 6.59, stdev=31.88
    bw (KiB/s) : min=    0, max=13639, per=60.20%, avg=3300.08, stdev=4764.73
  cpu          : usr=5.21%, sys=1.09%, ctx=3180
  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=85.3%, 4=1.6%, 10=4.8%, 20=5.5%, 50=0.4%, 100=0.2%
     lat (msec): 250=1.7%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4562
  read : io=100MiB, bw=6,399KiB/s, runt= 16386msec
    clat (msec): min=    0, max=  310, avg= 3.80, stdev=23.96
    bw (KiB/s) : min=    4, max=18828, per=39.30%, avg=6714.56, stdev=6433.17
  write: io=35,304KiB, bw=2,235KiB/s, runt= 16175msec
    clat (msec): min=    0, max=  367, avg= 6.85, stdev=35.37
    bw (KiB/s) : min=    0, max=15876, per=81.21%, avg=4452.20, stdev=4863.92
  cpu          : usr=5.66%, sys=1.20%, ctx=2518
  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=87.4%, 4=1.8%, 10=4.5%, 20=3.9%, 50=0.4%, 100=0.0%
     lat (msec): 250=1.8%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4563
  read : io=100MiB, bw=6,841KiB/s, runt= 15327msec
    clat (msec): min=    0, max=  336, avg= 5.42, stdev=29.52
    bw (KiB/s) : min=   25, max=15833, per=33.93%, avg=5797.91, stdev=5158.97
  write: io=32,664KiB, bw=2,209KiB/s, runt= 15140msec
    clat (msec): min=    0, max=  229, avg= 6.02, stdev=28.04
    bw (KiB/s) : min=    0, max=12091, per=78.12%, avg=4282.40, stdev=4674.11
  cpu          : usr=6.05%, sys=1.38%, ctx=3020
  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=84.5%, 4=1.8%, 10=4.9%, 20=5.7%, 50=0.7%, 100=0.2%
     lat (msec): 250=1.9%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=17,087KiB/s, minb=5,695KiB/s, maxb=6,841KiB/s, mint=15327msec, maxt=18410msec
  WRITE: io=97,644KiB, aggrb=5,482KiB/s, minb=1,666KiB/s, maxb=2,235KiB/s, mint=15327msec, maxt=18410msec

Disk stats (read/write):
  sda: ios=8597/1238, merge=0/23199, ticks=39388/784552, in_queue=823940, util=97.82%
2.82user 0.67system 0:18.71elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8597major+93618minor)pagefaults 0swaps