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] [ 23492/  7908 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [22.2% done] [ 20804/ 10508 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [27.8% done] [  3700/ 27992 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [37.5% done] [ 11740/ 17880 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [43.8% done] [ 21548/  9620 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [50.0% done] [ 15252/  8212 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [52.9% done] [  9864/ 14660 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [58.8% done] [  9440/  3428 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [61.1% done] [  9816/  3232 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [63.2% done] [  5768/  2580 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [65.0% done] [  4388/  1044 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  4984/   816 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [ 34500/     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]
fio: (groupid=0): err= 0: pid=4151
  read : io=100MiB, bw=6,544KiB/s, runt= 16022msec
    clat (msec): min=    0, max=  443, avg= 4.86, stdev=30.66
    bw (KiB/s) : min=    3, max=15552, per=37.79%, avg=6155.28, stdev=5175.79
  write: io=34,500KiB, bw=2,232KiB/s, runt= 15823msec
    clat (msec): min=    0, max=  268, avg= 6.68, stdev=34.35
    bw (KiB/s) : min=    0, max=13973, per=85.33%, avg=5897.70, stdev=5630.93
  cpu          : usr=6.02%, sys=1.12%, ctx=1998
  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=88.9%, 4=1.2%, 10=3.5%, 20=3.9%, 50=0.2%, 100=0.1%
     lat (msec): 250=1.7%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4152
  read : io=100MiB, bw=5,459KiB/s, runt= 19208msec
    clat (msec): min=    0, max=  252, avg= 5.02, stdev=26.53
    bw (KiB/s) : min=   38, max=20331, per=32.85%, avg=5351.35, stdev=5185.94
  write: io=37,712KiB, bw=2,034KiB/s, runt= 18984msec
    clat (msec): min=    0, max=  373, avg= 7.94, stdev=35.11
    bw (KiB/s) : min=    0, max=12322, per=79.19%, avg=5473.33, stdev=4682.26
  cpu          : usr=5.19%, sys=1.33%, ctx=3888
  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=1.9%, 10=6.6%, 20=7.2%, 50=0.7%, 100=0.2%
     lat (msec): 250=1.8%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4153
  read : io=100MiB, bw=5,429KiB/s, runt= 19312msec
    clat (msec): min=    0, max=  710, avg= 3.62, stdev=29.35
    bw (KiB/s) : min=    3, max=14068, per=29.02%, avg=4726.18, stdev=5170.01
  write: io=55,952KiB, bw=3,017KiB/s, runt= 18987msec
    clat (msec): min=    0, max=  328, avg= 7.96, stdev=36.54
    bw (KiB/s) : min=    0, max=12027, per=67.16%, avg=4642.44, stdev=4137.29
  cpu          : usr=5.65%, sys=1.26%, ctx=2595
  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=88.6%, 4=1.1%, 10=3.7%, 20=3.9%, 50=0.5%, 100=0.0%
     lat (msec): 250=1.7%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,288KiB/s, minb=5,429KiB/s, maxb=6,544KiB/s, mint=16022msec, maxt=19312msec
  WRITE: io=125MiB, aggrb=6,912KiB/s, minb=2,034KiB/s, maxb=3,017KiB/s, mint=16022msec, maxt=19312msec

Disk stats (read/write):
  sda: ios=8354/1283, merge=0/30825, ticks=36944/1153992, in_queue=1190936, util=97.64%
3.06user 0.76system 0:19.61elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8353major+101493minor)pagefaults 0swaps