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] [20.0% done] [ 23384/  8444 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [28.6% done] [ 32108/ 12192 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [35.7% done] [ 25128/ 13836 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [42.9% done] [ 28616/ 14260 kb/s] [eta 00m:08s]
Threads: 3: [mmF] [50.0% done] [ 12616/ 14864 kb/s] [eta 00m:07s]
Threads: 3: [mmF] [53.3% done] [ 21584/     0 kb/s] [eta 00m:07s]
Threads: 3: [mmF] [60.0% done] [  7360/  3600 kb/s] [eta 00m:06s]
Threads: 3: [mmF] [58.8% done] [  4296/   844 kb/s] [eta 00m:07s]
Threads: 3: [mmF] [61.1% done] [  4392/  1372 kb/s] [eta 00m:07s]
Threads: 3: [mmF] [63.2% done] [  2624/  4256 kb/s] [eta 00m:07s]
Threads: 3: [mFF] [68.4% done] [  3704/  3624 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [  1736/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [ 30708/     0 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [VV_] [78.3% done] [ 26320/     0 kb/s] [eta 00m:05s]
fio: (groupid=0): err= 0: pid=1713
  read : io=100MiB, bw=5,680KiB/s, runt= 18460msec
    clat (msec): min=    0, max=  208, avg= 4.67, stdev=22.92
    bw (KiB/s) : min=    3, max=13772, per=32.82%, avg=5592.95, stdev=4719.80
  write: io=38,252KiB, bw=2,147KiB/s, runt= 18241msec
    clat (msec): min=    0, max=  231, avg= 8.38, stdev=31.00
    bw (KiB/s) : min=    0, max=12235, per=80.50%, avg=4875.86, stdev=4889.60
  cpu          : usr=5.61%, sys=0.91%, ctx=3896
  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=81.5%, 4=1.9%, 10=6.6%, 20=6.3%, 50=0.8%, 100=0.6%
     lat (msec): 250=2.2%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=1714
  read : io=100MiB, bw=5,679KiB/s, runt= 18461msec
    clat (msec): min=    0, max=  233, avg= 4.16, stdev=21.70
    bw (KiB/s) : min=   25, max=13407, per=31.39%, avg=5348.81, stdev=4925.20
  write: io=38,944KiB, bw=2,186KiB/s, runt= 18237msec
    clat (msec): min=    0, max=  204, avg= 7.95, stdev=29.41
    bw (KiB/s) : min=    0, max=13155, per=70.34%, avg=4260.53, stdev=4997.80
  cpu          : usr=5.29%, sys=1.02%, ctx=3829
  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=82.0%, 4=2.1%, 10=6.4%, 20=6.0%, 50=0.9%, 100=0.5%
     lat (msec): 250=2.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=1715
  read : io=100MiB, bw=6,500KiB/s, runt= 16130msec
    clat (msec): min=    0, max=  241, avg= 2.16, stdev=18.33
    bw (KiB/s) : min=   12, max=31012, per=68.02%, avg=11589.82, stdev=11574.48
  write: io=30,708KiB, bw=1,971KiB/s, runt= 15952msec
    clat (msec): min=    0, max=  238, avg= 5.43, stdev=29.61
    bw (KiB/s) : min=    0, max=13189, per=117.90%, avg=7141.25, stdev=6205.99
  cpu          : usr=5.95%, sys=1.04%, ctx=733
  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=95.5%, 4=0.8%, 10=0.8%, 20=0.7%, 50=0.3%, 100=0.2%
     lat (msec): 250=1.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=17,039KiB/s, minb=5,679KiB/s, maxb=6,500KiB/s, mint=16130msec, maxt=18461msec
  WRITE: io=105MiB, aggrb=6,057KiB/s, minb=1,971KiB/s, maxb=2,186KiB/s, mint=16130msec, maxt=18461msec

Disk stats (read/write):
  sda: ios=8329/1207, merge=0/25803, ticks=30900/1608640, in_queue=1639540, util=97.65%
2.97user 0.54system 0:18.78elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8329major+96448minor)pagefaults 0swaps