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] [15.0% done] [  7396/ 21148 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [21.1% done] [ 17632/ 13324 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [27.8% done] [ 18588/ 12424 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [35.3% done] [ 22572/ 10924 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [38.9% done] [ 15368/  6968 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [42.1% done] [ 19424/  3456 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [47.4% done] [ 11004/ 12024 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [50.0% done] [  8032/  6672 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [55.0% done] [ 11488/  2308 kb/s] [eta 00m:09s]
Threads: 3: [mFm] [57.1% done] [  5160/  1168 kb/s] [eta 00m:09s]
Threads: 3: [FFm] [59.1% done] [  4500/    44 kb/s] [eta 00m:09s]
Threads: 3: [FFm] [63.6% done] [  3068/  2076 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [65.2% done] [  2248/  2132 kb/s] [eta 00m:08s]
Threads: 3: [FFF] [100.0% done] [  3123/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [FEF] [100.0% done] [ 36500/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=11657
  read : io=100MiB, bw=4,997KiB/s, runt= 20983msec
    clat (msec): min=    0, max=  284, avg= 3.62, stdev=24.73
    bw (KiB/s) : min=   10, max=11758, per=31.65%, avg=4744.56, stdev=4451.07
  write: io=56,136KiB, bw=2,781KiB/s, runt= 20667msec
    clat (msec): min=    0, max=  263, avg= 6.52, stdev=31.94
    bw (KiB/s) : min=    0, max=14917, per=103.26%, avg=6541.73, stdev=5252.91
  cpu          : usr=5.20%, sys=1.11%, ctx=2285
  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=89.4%, 4=1.1%, 10=3.5%, 20=3.6%, 50=0.3%, 100=0.0%
     lat (msec): 250=1.7%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=11658
  read : io=100MiB, bw=5,799KiB/s, runt= 18080msec
    clat (msec): min=    0, max=  291, avg= 4.14, stdev=26.32
    bw (KiB/s) : min=    5, max=17509, per=45.81%, avg=6867.81, stdev=5912.14
  write: io=36,500KiB, bw=2,091KiB/s, runt= 17870msec
    clat (msec): min=    0, max=  254, avg= 7.55, stdev=35.58
    bw (KiB/s) : min=    0, max=29287, per=93.24%, avg=5906.45, stdev=8488.32
  cpu          : usr=5.53%, sys=1.00%, ctx=2402
  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=87.6%, 4=1.7%, 10=4.1%, 20=3.9%, 50=0.5%, 100=0.1%
     lat (msec): 250=1.6%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=11659
  read : io=100MiB, bw=5,074KiB/s, runt= 20665msec
    clat (msec): min=    0, max=  252, avg= 5.95, stdev=26.72
    bw (KiB/s) : min=    3, max=11257, per=28.69%, avg=4301.52, stdev=3428.51
  write: io=35,224KiB, bw=1,762KiB/s, runt= 20461msec
    clat (msec): min=    0, max=  478, avg=10.85, stdev=37.69
    bw (KiB/s) : min=    0, max=12132, per=55.94%, avg=3544.06, stdev=4414.88
  cpu          : usr=4.76%, sys=0.87%, ctx=5188
  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=76.1%, 4=2.2%, 10=7.0%, 20=10.0%, 50=1.3%, 100=1.2%
     lat (msec): 250=1.9%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=14,991KiB/s, minb=4,997KiB/s, maxb=5,799KiB/s, mint=18080msec, maxt=20983msec
  WRITE: io=125MiB, aggrb=6,335KiB/s, minb=1,762KiB/s, maxb=2,781KiB/s, mint=18080msec, maxt=20983msec

Disk stats (read/write):
  sda: ios=9544/1231, merge=0/30771, ticks=36828/1472472, in_queue=1509300, util=97.87%
3.08user 0.60system 0:21.31elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9543major+100232minor)pagefaults 0swaps