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] [8.8% done] [ 20436/  7824 kb/s] [eta 00m:31s]
Threads: 3: [mmm] [16.0% done] [ 13104/ 16872 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [23.8% done] [ 31380/     0 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [30.0% done] [ 17636/  9132 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [35.0% done] [ 17412/  7516 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [42.1% done] [ 18992/  4952 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [47.4% done] [ 17014/  7408 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [55.6% done] [  1480/ 21452 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [61.1% done] [  4272/  9040 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [63.2% done] [  4792/  3312 kb/s] [eta 00m:07s]
Threads: 3: [mFm] [65.0% done] [  6024/  2960 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [66.7% done] [  5376/  1600 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [     0/  1932 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [FEF] [100.0% done] [ 26040/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [E_F] [100.0% done] [ 36936/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=17839
  read : io=100MiB, bw=5,390KiB/s, runt= 19453msec
    clat (msec): min=    0, max=  320, avg= 5.27, stdev=28.71
    bw (KiB/s) : min=   16, max=13693, per=33.63%, avg=5249.91, stdev=4893.87
  write: io=36,900KiB, bw=1,964KiB/s, runt= 19239msec
    clat (msec): min=    0, max=  293, avg= 7.21, stdev=34.93
    bw (KiB/s) : min=    0, max= 9628, per=70.09%, avg=3914.54, stdev=3614.94
  cpu          : usr=5.14%, sys=1.15%, ctx=3568
  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=83.0%, 4=2.3%, 10=5.7%, 20=6.0%, 50=0.7%, 100=0.1%
     lat (msec): 250=1.7%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=17840
  read : io=100MiB, bw=6,297KiB/s, runt= 16651msec
    clat (msec): min=    0, max=  300, avg= 4.97, stdev=30.19
    bw (KiB/s) : min=    3, max=20038, per=48.11%, avg=7510.39, stdev=5545.96
  write: io=26,040KiB, bw=1,616KiB/s, runt= 16497msec
    clat (msec): min=    0, max=  250, avg= 9.19, stdev=38.64
    bw (KiB/s) : min=    0, max=11427, per=79.04%, avg=4414.50, stdev=4285.14
  cpu          : usr=5.36%, sys=1.18%, ctx=2586
  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=85.5%, 4=1.6%, 10=4.9%, 20=5.3%, 50=0.3%, 100=0.0%
     lat (msec): 250=1.8%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=17841
  read : io=100MiB, bw=5,203KiB/s, runt= 20150msec
    clat (msec): min=    0, max=  592, avg= 4.81, stdev=33.82
    bw (KiB/s) : min=    2, max=15777, per=33.60%, avg=5245.37, stdev=5363.92
  write: io=45,560KiB, bw=2,345KiB/s, runt= 19892msec
    clat (msec): min=    0, max=  277, avg= 6.22, stdev=31.74
    bw (KiB/s) : min=    0, max=10779, per=89.41%, avg=4993.71, stdev=4563.70
  cpu          : usr=4.80%, sys=1.11%, ctx=3265
  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=1.5%, 10=4.4%, 20=4.6%, 50=0.5%, 100=0.2%
     lat (msec): 250=1.3%, 500=0.4%, 750=0.1%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,611KiB/s, minb=5,203KiB/s, maxb=6,297KiB/s, mint=16651msec, maxt=20150msec
  WRITE: io=106MiB, aggrb=5,585KiB/s, minb=1,616KiB/s, maxb=2,345KiB/s, mint=16651msec, maxt=20150msec

Disk stats (read/write):
  sda: ios=9139/1262, merge=0/25903, ticks=38468/1335064, in_queue=1373516, util=89.60%
2.86user 0.69system 0:22.95elapsed 15%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9137major+95805minor)pagefaults 0swaps