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: [mFm] [16.7% done] [ 14500/  8040 kb/s] [eta 00m:15s]
Threads: 3: [mFm] [22.2% done] [  9096/  8548 kb/s] [eta 00m:14s]
Threads: 3: [mFm] [27.8% done] [ 11842/  3433 kb/s] [eta 00m:13s]
Threads: 3: [mFm] [31.6% done] [ 13971/     0 kb/s] [eta 00m:13s]
Threads: 3: [mFm] [38.9% done] [ 12186/  6394 kb/s] [eta 00m:11s]
Threads: 3: [mFm] [44.4% done] [ 11666/  7562 kb/s] [eta 00m:10s]
Threads: 3: [mFm] [52.9% done] [ 12320/  5006 kb/s] [eta 00m:08s]
Threads: 3: [mFm] [58.8% done] [  7489/  1698 kb/s] [eta 00m:07s]
Threads: 3: [mFm] [57.9% done] [  7476/  1540 kb/s] [eta 00m:08s]
Threads: 3: [mFm] [60.0% done] [  2661/  4096 kb/s] [eta 00m:08s]
Threads: 3: [mFm] [61.9% done] [  3852/  1767 kb/s] [eta 00m:08s]
Threads: 3: [mVm] [63.6% done] [ 36689/  1336 kb/s] [eta 00m:08s]
Threads: 2: [m_F] [68.2% done] [ 16981/  2840 kb/s] [eta 00m:07s]
Threads: 2: [F_F] [100.0% done] [    16/    73 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_F] [72.0% done] [  7619/     0 kb/s] [eta 00m:07s]
fio: (groupid=0): err= 0: pid=16254
  read : io=100MiB, bw=5,743KiB/s, runt= 18257msec
    clat (msec): min=    0, max=  209, avg= 5.14, stdev=23.54
    bw (KiB/s) : min=    1, max=21004, per=30.28%, avg=5157.29, stdev=5348.74
  write: io=33,392KiB, bw=1,892KiB/s, runt= 18064msec
    clat (msec): min=    0, max=  205, avg= 8.67, stdev=31.54
    bw (KiB/s) : min=    0, max=10692, per=52.75%, avg=3116.71, stdev=3443.58
  cpu          : usr=5.46%, sys=1.16%, ctx=5172
  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=77.4%, 4=2.4%, 10=8.1%, 20=8.2%, 50=1.1%, 100=0.3%
     lat (msec): 250=2.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=16255
  read : io=100MiB, bw=7,406KiB/s, runt= 14157msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    2, max=119136, per=349.73%, avg=59569.00, stdev=84240.46
  write: io=44,228KiB, bw=3,259KiB/s, runt= 13895msec
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=    0, per=0.00%, avg= 0.00, stdev=-1.00
  cpu          : usr=7.32%, sys=1.30%, ctx=20
  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=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=16256
  read : io=100MiB, bw=5,677KiB/s, runt= 18468msec
    clat (msec): min=    0, max=  787, avg= 6.24, stdev=33.40
    bw (KiB/s) : min=   34, max=12586, per=32.37%, avg=5513.17, stdev=4379.73
  write: io=28,012KiB, bw=1,566KiB/s, runt= 18308msec
    clat (msec): min=    0, max=  202, avg= 9.34, stdev=34.23
    bw (KiB/s) : min=    0, max=10922, per=70.30%, avg=4153.45, stdev=4131.03
  cpu          : usr=5.37%, sys=0.93%, ctx=3815
  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=81.1%, 4=2.1%, 10=5.3%, 20=7.6%, 50=1.0%, 100=0.1%
     lat (msec): 250=2.6%, 500=0.0%, 750=0.0%, 1000=0.1%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=17,033KiB/s, minb=5,677KiB/s, maxb=7,406KiB/s, mint=14157msec, maxt=18468msec
  WRITE: io=103MiB, aggrb=5,908KiB/s, minb=1,566KiB/s, maxb=3,259KiB/s, mint=14157msec, maxt=18468msec

Disk stats (read/write):
  sda: ios=8810/1198, merge=0/25279, ticks=27476/1987132, in_queue=2014608, util=97.68%
3.03user 0.61system 0:18.98elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8810major+95403minor)pagefaults 0swaps