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] [6.7% done] [ 23740/  8376 kb/s] [eta 00m:42s]
Threads: 3: [mmm] [12.1% done] [ 21296/  8160 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [18.5% done] [ 20724/ 11216 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [21.4% done] [ 13212/ 18224 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [26.9% done] [ 14760/ 12396 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [33.3% done] [ 13188/  7472 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [37.5% done] [  4536/  6664 kb/s] [eta 00m:15s]
Threads: 3: [Fmm] [38.5% done] [  4988/  2772 kb/s] [eta 00m:16s]
Threads: 3: [Fmm] [44.0% done] [  3484/  7420 kb/s] [eta 00m:14s]
Threads: 3: [FFm] [46.2% done] [  2880/  2700 kb/s] [eta 00m:14s]
Threads: 3: [FFm] [46.4% done] [     0/     0 kb/s] [eta 00m:15s]
Threads: 3: [VFm] [46.7% done] [ 34392/  1320 kb/s] [eta 00m:16s]
Threads: 2: [_Fm] [46.9% done] [    28/   440 kb/s] [eta 00m:17s]
Threads: 1: [__m] [59.3% done] [ 41788/ 15260 kb/s] [eta 00m:11s]
Threads: 1: [__m] [65.4% done] [  9084/     0 kb/s] [eta 00m:09s]
Threads: 1: [__F] [100.0% done] [  5116/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [90.9% done] [ 33212/     0 kb/s] [eta 00m:02s]
fio: (groupid=0): err= 0: pid=4505
  read : io=100MiB, bw=7,373KiB/s, runt= 14221msec
    clat (msec): min=    0, max=  246, avg= 3.93, stdev=25.03
    bw (KiB/s) : min=    4, max=17019, per=44.85%, avg=6895.94, stdev=6045.53
  write: io=34,284KiB, bw=2,503KiB/s, runt= 14024msec
    clat (msec): min=    0, max=  298, avg= 5.90, stdev=30.62
    bw (KiB/s) : min=    0, max=21592, per=101.57%, avg=6523.90, stdev=8670.46
  cpu          : usr=6.95%, sys=1.07%, ctx=2054
  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=88.2%, 4=1.4%, 10=4.4%, 20=3.7%, 50=0.2%, 100=0.1%
     lat (msec): 250=1.7%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4506
  read : io=100MiB, bw=6,768KiB/s, runt= 15491msec
    clat (msec): min=    0, max=  414, avg= 3.20, stdev=22.67
    bw (KiB/s) : min=    1, max=22887, per=41.80%, avg=6427.06, stdev=7157.26
  write: io=40,776KiB, bw=2,736KiB/s, runt= 15256msec
    clat (msec): min=    0, max=  250, avg= 6.50, stdev=30.66
    bw (KiB/s) : min=    0, max=13399, per=70.76%, avg=4544.71, stdev=4553.84
  cpu          : usr=6.48%, sys=1.19%, ctx=2927
  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=86.7%, 4=1.8%, 10=5.1%, 20=3.9%, 50=0.6%, 100=0.1%
     lat (msec): 250=1.6%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4507
  read : io=100MiB, bw=5,124KiB/s, runt= 20461msec
    clat (msec): min=    0, max= 1904, avg= 5.84, stdev=57.97
    bw (KiB/s) : min=    3, max=10395, per=27.61%, avg=4244.29, stdev=4004.09
  write: io=51,464KiB, bw=2,612KiB/s, runt= 20170msec
    clat (msec): min=    0, max= 1088, avg= 9.08, stdev=56.16
    bw (KiB/s) : min=    0, max=17082, per=83.64%, avg=5372.33, stdev=5656.26
  cpu          : usr=5.26%, sys=1.04%, ctx=4010
  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=82.5%, 4=2.1%, 10=5.5%, 20=6.8%, 50=1.2%, 100=0.1%
     lat (msec): 250=1.3%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.1%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,374KiB/s, minb=5,124KiB/s, maxb=7,373KiB/s, mint=14221msec, maxt=20461msec
  WRITE: io=124MiB, aggrb=6,423KiB/s, minb=2,503KiB/s, maxb=2,736KiB/s, mint=14221msec, maxt=20461msec

Disk stats (read/write):
  sda: ios=8871/1423, merge=0/30271, ticks=36700/1171140, in_queue=1207828, util=96.37%
3.07user 0.60system 0:20.78elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8871major+100571minor)pagefaults 0swaps