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] [21.4% done] [  8492/ 27060 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [26.7% done] [ 20496/  6960 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [35.7% done] [ 18960/ 12584 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [42.9% done] [ 18492/ 15128 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [50.0% done] [ 23934/ 11168 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [53.3% done] [ 13489/ 13020 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [56.2% done] [ 12422/  6855 kb/s] [eta 00m:07s]
Threads: 3: [mmF] [58.8% done] [  8192/   445 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [61.1% done] [  3954/  2831 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [66.7% done] [  5470/     0 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [  3832/     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: 3: [VFF] [68.0% done] [   165/     0 kb/s] [eta 00m:08s]
fio: (groupid=0): err= 0: pid=5223
  read : io=100MiB, bw=5,897KiB/s, runt= 17781msec
    clat (msec): min=    0, max=  560, avg= 2.81, stdev=25.20
    bw (KiB/s) : min=    2, max=14980, per=27.69%, avg=4727.60, stdev=5150.87
  write: io=60,924KiB, bw=3,578KiB/s, runt= 17434msec
    clat (msec): min=    0, max=  274, avg= 5.52, stdev=28.34
    bw (KiB/s) : min=    0, max=13901, per=104.19%, avg=6810.88, stdev=5827.26
  cpu          : usr=5.96%, sys=1.55%, ctx=1938
  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=91.9%, 4=1.2%, 10=2.0%, 20=2.7%, 50=0.3%, 100=0.3%
     lat (msec): 250=1.3%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5224
  read : io=100MiB, bw=5,691KiB/s, runt= 18425msec
    clat (msec): min=    0, max=  285, avg= 4.92, stdev=22.51
    bw (KiB/s) : min=    7, max=15265, per=28.69%, avg=4898.67, stdev=4245.46
  write: io=42,844KiB, bw=2,412KiB/s, runt= 18182msec
    clat (msec): min=    0, max=  219, avg= 7.44, stdev=25.89
    bw (KiB/s) : min=    0, max=15966, per=85.22%, avg=5570.77, stdev=5919.32
  cpu          : usr=5.69%, sys=1.54%, ctx=4651
  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=78.8%, 4=2.3%, 10=6.8%, 20=8.1%, 50=1.1%, 100=1.3%
     lat (msec): 250=1.4%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5225
  read : io=100MiB, bw=5,836KiB/s, runt= 17967msec
    clat (msec): min=    0, max=  307, avg= 4.40, stdev=24.26
    bw (KiB/s) : min=    4, max=19708, per=57.04%, avg=9737.71, stdev=6403.58
  write: io=12,316KiB, bw=704KiB/s, runt= 17890msec
    clat (msec): min=    0, max=  238, avg= 9.12, stdev=37.66
    bw (KiB/s) : min=    0, max=11997, per=74.51%, avg=4870.60, stdev=5253.06
  cpu          : usr=4.81%, sys=0.80%, ctx=2013
  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=87.7%, 4=1.3%, 10=3.8%, 20=3.8%, 50=0.8%, 100=0.3%
     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=17,073KiB/s, minb=5,691KiB/s, maxb=5,897KiB/s, mint=17781msec, maxt=18425msec
  WRITE: io=113MiB, aggrb=6,537KiB/s, minb=704KiB/s, maxb=3,578KiB/s, mint=17781msec, maxt=18425msec

Disk stats (read/write):
  sda: ios=8184/1101, merge=0/27995, ticks=30756/1325328, in_queue=1353068, util=97.96%
2.98user 0.72system 0:18.83elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8183major+98638minor)pagefaults 0swaps