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] [13.6% done] [ 21652/  7732 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [22.2% done] [ 18360/ 18192 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [27.8% done] [ 20588/ 10960 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [35.3% done] [ 13396/ 18320 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [41.2% done] [ 24740/  4000 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [44.4% done] [ 10936/  8900 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [47.4% done] [  6692/  8496 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [52.6% done] [  7996/  5340 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [57.9% done] [ 11636/  1956 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [60.0% done] [  6276/  2004 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [59.1% done] [   592/   428 kb/s] [eta 00m:09s]
Threads: 3: [FFm] [60.9% done] [     0/   968 kb/s] [eta 00m:09s]
Threads: 3: [FFm] [62.5% done] [   628/    36 kb/s] [eta 00m:09s]
Threads: 3: [FVm] [61.5% done] [ 52696/     0 kb/s] [eta 00m:10s]
Threads: 2: [V_m] [65.4% done] [ 47020/  2232 kb/s] [eta 00m:09s]
Threads: 1: [__F] [100.0% done] [ 10124/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=11023
  read : io=100MiB, bw=6,059KiB/s, runt= 17304msec
    clat (msec): min=    0, max=  324, avg= 3.74, stdev=25.73
    bw (KiB/s) : min=    3, max=17318, per=31.74%, avg=5168.53, stdev=5891.37
  write: io=48,144KiB, bw=2,896KiB/s, runt= 17021msec
    clat (msec): min=    0, max=  327, avg= 6.08, stdev=32.35
    bw (KiB/s) : min=    0, max=18959, per=79.31%, avg=5261.56, stdev=6123.81
  cpu          : usr=6.01%, sys=1.36%, ctx=2587
  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=89.1%, 4=1.2%, 10=3.8%, 20=3.6%, 50=0.4%, 100=0.2%
     lat (msec): 250=1.2%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=11024
  read : io=100MiB, bw=6,441KiB/s, runt= 16279msec
    clat (msec): min=    0, max=  315, avg= 3.47, stdev=25.35
    bw (KiB/s) : min=   31, max=11996, per=27.35%, avg=4453.79, stdev=3750.04
  write: io=53,740KiB, bw=3,446KiB/s, runt= 15969msec
    clat (msec): min=    0, max=  335, avg= 6.81, stdev=34.31
    bw (KiB/s) : min=    0, max=25659, per=104.17%, avg=6910.69, stdev=7292.05
  cpu          : usr=6.73%, sys=1.18%, ctx=1919
  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=89.5%, 4=1.8%, 10=3.3%, 20=3.3%, 50=0.2%, 100=0.1%
     lat (msec): 250=1.3%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=11025
  read : io=100MiB, bw=5,428KiB/s, runt= 19317msec
    clat (msec): min=    0, max=  828, avg= 7.43, stdev=44.32
    bw (KiB/s) : min=    8, max=17370, per=33.20%, avg=5405.96, stdev=4739.67
  write: io=22,424KiB, bw=1,196KiB/s, runt= 19186msec
    clat (msec): min=    0, max=  654, avg=13.10, stdev=61.17
    bw (KiB/s) : min=    0, max= 7397, per=36.56%, avg=2425.50, stdev=2527.41
  cpu          : usr=4.91%, sys=1.10%, ctx=4394
  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=79.0%, 4=1.8%, 10=6.2%, 20=9.1%, 50=1.1%, 100=0.4%
     lat (msec): 250=1.5%, 500=0.6%, 750=0.3%, 1000=0.1%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,284KiB/s, minb=5,428KiB/s, maxb=6,441KiB/s, mint=16279msec, maxt=19317msec
  WRITE: io=121MiB, aggrb=6,634KiB/s, minb=1,196KiB/s, maxb=3,446KiB/s, mint=16279msec, maxt=19317msec

Disk stats (read/write):
  sda: ios=8775/1360, merge=0/29789, ticks=38532/1161360, in_queue=1199888, util=97.88%
3.09user 0.69system 0:19.70elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8774major+100108minor)pagefaults 0swaps