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] [18.8% done] [ 31995/  1227 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [23.5% done] [ 21768/  8317 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [29.4% done] [ 17542/ 13836 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [33.3% done] [ 12080/ 15506 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [38.9% done] [  8671/ 15086 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [44.4% done] [ 20561/  5469 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [50.0% done] [ 15112/  9114 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [55.6% done] [ 12336/  9004 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [57.9% done] [  5599/  3612 kb/s] [eta 00m:08s]
Threads: 3: [mFm] [60.0% done] [  5266/   979 kb/s] [eta 00m:08s]
Threads: 3: [mFm] [61.9% done] [  5766/     0 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [63.6% done] [  2775/  1487 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [62.5% done] [     0/     0 kb/s] [eta 00m:09s]
Threads: 3: [FFm] [61.5% done] [     0/     0 kb/s] [eta 00m:10s]
Threads: 1: [_Em] [63.0% done] [ 75268/  1718 kb/s] [eta 00m:10s]
Threads: 1: [__F] [100.0% done] [  5018/  1796 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=4131
  read : io=100MiB, bw=6,191KiB/s, runt= 16937msec
    clat (msec): min=    0, max=  597, avg= 5.66, stdev=30.97
    bw (KiB/s) : min=   19, max=17164, per=36.71%, avg=6158.39, stdev=5522.90
  write: io=22,732KiB, bw=1,385KiB/s, runt= 16799msec
    clat (msec): min=    0, max=  240, avg= 9.11, stdev=32.66
    bw (KiB/s) : min=    0, max=15114, per=70.43%, avg=3805.18, stdev=5036.82
  cpu          : usr=5.62%, sys=1.13%, ctx=3435
  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=2.6%, 10=5.9%, 20=6.3%, 50=0.6%, 100=0.1%
     lat (msec): 250=2.4%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4132
  read : io=100MiB, bw=6,161KiB/s, runt= 17019msec
    clat (msec): min=    0, max=  877, avg= 3.55, stdev=31.80
    bw (KiB/s) : min=   13, max=14524, per=32.25%, avg=5409.27, stdev=4703.86
  write: io=51,312KiB, bw=3,142KiB/s, runt= 16718msec
    clat (msec): min=    0, max=  316, avg= 4.70, stdev=30.66
    bw (KiB/s) : min=    0, max=15632, per=128.36%, avg=6935.38, stdev=6240.84
  cpu          : usr=6.09%, sys=1.36%, ctx=1027
  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=95.2%, 4=0.6%, 10=1.1%, 20=1.1%, 50=0.2%, 100=0.0%
     lat (msec): 250=1.5%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4133
  read : io=100MiB, bw=5,591KiB/s, runt= 18753msec
    clat (msec): min=    0, max= 2857, avg= 8.11, stdev=76.74
    bw (KiB/s) : min=   12, max=12317, per=29.86%, avg=5008.31, stdev=4224.49
  write: io=24,176KiB, bw=1,330KiB/s, runt= 18613msec
    clat (msec): min=    0, max=  244, avg= 9.12, stdev=31.75
    bw (KiB/s) : min=    0, max=10866, per=59.46%, avg=3212.58, stdev=4005.20
  cpu          : usr=5.03%, sys=1.13%, ctx=4911
  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=76.2%, 4=2.0%, 10=8.3%, 20=9.0%, 50=1.5%, 100=0.4%
     lat (msec): 250=2.4%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,774KiB/s, minb=5,591KiB/s, maxb=6,191KiB/s, mint=16937msec, maxt=18753msec
  WRITE: io=98,220KiB, aggrb=5,403KiB/s, minb=1,330KiB/s, maxb=3,142KiB/s, mint=16937msec, maxt=18753msec

Disk stats (read/write):
  sda: ios=9255/1159, merge=0/23438, ticks=40104/1031252, in_queue=1071356, util=97.91%
2.94user 0.69system 0:19.06elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9255major+93101minor)pagefaults 0swaps