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: [mmF] [18.8% done] [ 23912/ 21624 kb/s] [eta 00m:13s]
Threads: 3: [mmF] [26.7% done] [ 12014/  8987 kb/s] [eta 00m:11s]
Threads: 3: [mmF] [31.2% done] [ 10163/  4706 kb/s] [eta 00m:11s]
Threads: 3: [mmF] [37.5% done] [ 13630/  7837 kb/s] [eta 00m:10s]
Threads: 3: [mmF] [43.8% done] [  9128/  6493 kb/s] [eta 00m:09s]
Threads: 3: [mmF] [50.0% done] [ 11416/  7160 kb/s] [eta 00m:08s]
Threads: 3: [mmF] [56.2% done] [ 15647/  6770 kb/s] [eta 00m:07s]
Threads: 3: [mmF] [58.8% done] [  4056/  4521 kb/s] [eta 00m:07s]
Threads: 3: [mmF] [61.1% done] [  2319/  3812 kb/s] [eta 00m:07s]
Threads: 3: [mmF] [63.2% done] [  2461/  2910 kb/s] [eta 00m:07s]
Threads: 3: [mmF] [65.0% done] [  2189/  4663 kb/s] [eta 00m:07s]
Threads: 3: [mFF] [66.7% done] [  2189/  2496 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [   185/     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: [FFE] [100.0% done] [ 76017/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [100.0% done] [ 74561/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=5214
  read : io=100MiB, bw=5,071KiB/s, runt= 20676msec
    clat (msec): min=    0, max=  236, avg= 3.84, stdev=21.27
    bw (KiB/s) : min=    0, max=12698, per=25.29%, avg=3847.00, stdev=4726.26
  write: io=59,044KiB, bw=2,972KiB/s, runt= 20342msec
    clat (msec): min=    0, max=  245, avg= 7.83, stdev=29.45
    bw (KiB/s) : min=    0, max=13715, per=59.50%, avg=4980.67, stdev=4819.63
  cpu          : usr=5.73%, sys=1.45%, ctx=4300
  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=83.0%, 4=1.9%, 10=4.9%, 20=6.9%, 50=0.8%, 100=0.5%
     lat (msec): 250=2.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5215
  read : io=100MiB, bw=5,114KiB/s, runt= 20504msec
    clat (msec): min=    0, max=  404, avg= 4.96, stdev=25.59
    bw (KiB/s) : min=   13, max=13025, per=40.63%, avg=6181.64, stdev=4611.84
  write: io=30,348KiB, bw=1,528KiB/s, runt= 20326msec
    clat (msec): min=    0, max=  227, avg= 7.97, stdev=30.66
    bw (KiB/s) : min=    0, max= 8790, per=39.22%, avg=3282.69, stdev=3023.11
  cpu          : usr=4.49%, sys=1.17%, ctx=3702
  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=82.6%, 4=2.2%, 10=5.0%, 20=6.1%, 50=1.3%, 100=0.5%
     lat (msec): 250=2.2%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5216
  read : io=100MiB, bw=5,426KiB/s, runt= 19323msec
    clat (msec): min=    0, max=  102, avg= 0.17, stdev= 3.83
    bw (KiB/s) : min=    1, max=52109, per=114.24%, avg=17380.00, stdev=30076.20
  write: io=76,908KiB, bw=4,169KiB/s, runt= 18886msec
    clat (msec): min=    0, max=  357, avg= 1.42, stdev=15.89
    bw (KiB/s) : min=    0, max=66338, per=284.69%, avg=23831.33, stdev=25731.15
  cpu          : usr=6.19%, sys=1.35%, ctx=179
  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=99.1%, 4=0.0%, 10=0.1%, 20=0.1%, 50=0.0%, 100=0.2%
     lat (msec): 250=0.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,214KiB/s, minb=5,071KiB/s, maxb=5,426KiB/s, mint=19323msec, maxt=20676msec
  WRITE: io=162MiB, aggrb=8,371KiB/s, minb=1,528KiB/s, maxb=4,169KiB/s, mint=19323msec, maxt=20676msec

Disk stats (read/write):
  sda: ios=8047/1423, merge=0/40216, ticks=28084/2445632, in_queue=2473712, util=96.99%
3.31user 0.83system 0:21.13elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8045major+111350minor)pagefaults 0swaps