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] [17.6% done] [ 20767/ 21225 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [25.0% done] [ 30233/ 16890 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [31.2% done] [ 20324/ 25516 kb/s] [eta 00m:11s]
Threads: 3: [mmF] [37.5% done] [ 14400/  5100 kb/s] [eta 00m:10s]
Threads: 3: [mmF] [41.2% done] [  1652/ 11096 kb/s] [eta 00m:10s]
Threads: 3: [mmF] [47.1% done] [ 11932/  3992 kb/s] [eta 00m:09s]
Threads: 3: [mmF] [52.9% done] [ 11132/     0 kb/s] [eta 00m:08s]
Threads: 3: [mmF] [55.6% done] [  7380/  1856 kb/s] [eta 00m:08s]
Threads: 3: [mmF] [61.1% done] [  2972/  4664 kb/s] [eta 00m:07s]
Threads: 3: [mmF] [63.2% done] [  4719/  1983 kb/s] [eta 00m:07s]
Threads: 3: [mmF] [65.0% done] [  5623/   995 kb/s] [eta 00m:07s]
Threads: 3: [mmF] [66.7% done] [  4921/  2489 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  2503/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     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] [ 57287/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=15971
  read : io=100MiB, bw=5,359KiB/s, runt= 19564msec
    clat (msec): min=    0, max=  214, avg= 5.32, stdev=24.24
    bw (KiB/s) : min=    7, max=22873, per=37.09%, avg=5958.64, stdev=5692.42
  write: io=30,380KiB, bw=1,604KiB/s, runt= 19388msec
    clat (msec): min=    0, max=  215, avg= 8.54, stdev=32.03
    bw (KiB/s) : min=    0, max=14140, per=70.04%, avg=4447.33, stdev=4336.41
  cpu          : usr=5.07%, sys=1.10%, ctx=4581
  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=77.8%, 4=3.0%, 10=7.1%, 20=8.6%, 50=0.8%, 100=0.1%
     lat (msec): 250=2.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15972
  read : io=100MiB, bw=5,355KiB/s, runt= 19578msec
    clat (msec): min=    0, max=  267, avg= 5.67, stdev=26.30
    bw (KiB/s) : min=    7, max=11809, per=31.02%, avg=4983.44, stdev=4180.63
  write: io=33,468KiB, bw=1,767KiB/s, runt= 19385msec
    clat (msec): min=    0, max=  361, avg= 8.73, stdev=34.31
    bw (KiB/s) : min=    0, max=12613, per=63.82%, avg=4052.38, stdev=4552.09
  cpu          : usr=5.21%, sys=1.10%, ctx=4173
  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=79.9%, 4=2.1%, 10=6.4%, 20=7.7%, 50=0.9%, 100=0.2%
     lat (msec): 250=2.6%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15973
  read : io=100MiB, bw=5,590KiB/s, runt= 18758msec
    clat (msec): min=    0, max=  234, avg= 1.04, stdev=13.23
    bw (KiB/s) : min=    2, max=33840, per=58.02%, avg=9322.00, stdev=13172.49
  write: io=56,392KiB, bw=3,132KiB/s, runt= 18434msec
    clat (msec): min=    0, max=  420, avg= 2.91, stdev=25.84
    bw (KiB/s) : min=    0, max=37116, per=193.57%, avg=12291.88, stdev=14054.32
  cpu          : usr=6.01%, sys=1.00%, ctx=351
  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=98.3%, 4=0.2%, 10=0.4%, 20=0.2%, 50=0.0%, 100=0.1%
     lat (msec): 250=0.7%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,067KiB/s, minb=5,355KiB/s, maxb=5,590KiB/s, mint=18758msec, maxt=19578msec
  WRITE: io=117MiB, aggrb=6,350KiB/s, minb=1,604KiB/s, maxb=3,132KiB/s, mint=18758msec, maxt=19578msec

Disk stats (read/write):
  sda: ios=9007/1294, merge=0/28793, ticks=31584/2014092, in_queue=2045676, util=97.53%
3.15user 0.68system 0:20.03elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9006major+98860minor)pagefaults 0swaps