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] [ 16363/ 25604 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [26.7% done] [ 20484/ 13409 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [35.7% done] [ 31910/  4217 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [42.9% done] [ 29249/  5591 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [50.0% done] [ 12860/ 35986 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [53.3% done] [ 13990/  3714 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [52.9% done] [  6716/  3738 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [55.6% done] [  5441/  7107 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [57.9% done] [  4144/  3417 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [63.2% done] [  3206/   893 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [65.0% done] [  2750/  2490 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [66.7% done] [  1775/  2962 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [     0/   300 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] [100.0% done] [ 73289/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=14236
  read : io=100MiB, bw=5,815KiB/s, runt= 18031msec
    clat (msec): min=    0, max=  195, avg= 1.44, stdev=13.47
    bw (KiB/s) : min=    9, max=16652, per=32.96%, avg=5543.10, stdev=6637.81
  write: io=74,044KiB, bw=4,305KiB/s, runt= 17609msec
    clat (msec): min=    0, max= 1023, avg= 3.40, stdev=33.92
    bw (KiB/s) : min=    0, max=33231, per=142.60%, avg=10373.85, stdev=11241.60
  cpu          : usr=6.68%, sys=1.20%, ctx=901
  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=96.4%, 4=0.3%, 10=0.8%, 20=0.9%, 50=0.1%, 100=0.2%
     lat (msec): 250=1.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14237
  read : io=100MiB, bw=5,606KiB/s, runt= 18703msec
    clat (msec): min=    0, max=  606, avg= 3.82, stdev=26.32
    bw (KiB/s) : min=   19, max=18510, per=41.48%, avg=6976.17, stdev=6005.92
  write: io=32,980KiB, bw=1,824KiB/s, runt= 18512msec
    clat (msec): min=    0, max=  555, avg= 5.78, stdev=35.11
    bw (KiB/s) : min=    0, max=17349, per=67.43%, avg=4905.25, stdev=6213.96
  cpu          : usr=5.35%, sys=0.86%, ctx=1153
  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=93.0%, 4=1.0%, 10=1.8%, 20=1.5%, 50=0.1%, 100=0.1%
     lat (msec): 250=2.2%, 500=0.0%, 750=0.1%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14238
  read : io=100MiB, bw=5,621KiB/s, runt= 18653msec
    clat (msec): min=    0, max=  217, avg= 5.49, stdev=19.06
    bw (KiB/s) : min=    5, max=16539, per=37.25%, avg=6264.39, stdev=5265.58
  write: io=24,508KiB, bw=1,355KiB/s, runt= 18509msec
    clat (msec): min=    0, max=  149, avg= 6.66, stdev=18.84
    bw (KiB/s) : min=    0, max=11139, per=50.90%, avg=3702.75, stdev=4310.23
  cpu          : usr=4.82%, sys=1.42%, ctx=7064
  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=73.6%, 4=2.3%, 10=7.9%, 20=11.3%, 50=1.6%, 100=2.3%
     lat (msec): 250=0.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,819KiB/s, minb=5,606KiB/s, maxb=5,815KiB/s, mint=18031msec, maxt=18703msec
  WRITE: io=128MiB, aggrb=7,275KiB/s, minb=1,355KiB/s, maxb=4,305KiB/s, mint=18031msec, maxt=18703msec

Disk stats (read/write):
  sda: ios=8967/1220, merge=0/31719, ticks=29332/1540004, in_queue=1569328, util=98.24%
3.10user 0.66system 0:19.08elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8967major+101726minor)pagefaults 0swaps