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] [ 18380/  8508 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [23.5% done] [ 20420/  6717 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [31.2% done] [ 12595/ 19503 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [40.0% done] [ 25080/  4584 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [43.8% done] [ 23366/  4690 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [50.0% done] [ 20294/ 11382 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [52.9% done] [ 11460/  7160 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [55.6% done] [  1693/ 10574 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [57.9% done] [  5742/  2686 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [60.0% done] [  5084/  1929 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [61.9% done] [  5777/   338 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [63.6% done] [  2678/  2335 kb/s] [eta 00m:08s]
Threads: 3: [FFF] [100.0% done] [  3993/   618 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: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=11403
  read : io=100MiB, bw=5,291KiB/s, runt= 19817msec
    clat (msec): min=    0, max=  298, avg= 4.22, stdev=27.11
    bw (KiB/s) : min=   11, max=19277, per=36.91%, avg=5825.94, stdev=6099.21
  write: io=39,556KiB, bw=2,067KiB/s, runt= 19587msec
    clat (msec): min=    0, max=  289, avg= 6.85, stdev=34.01
    bw (KiB/s) : min=    0, max=14614, per=105.47%, avg=5150.08, stdev=5703.77
  cpu          : usr=5.33%, sys=1.01%, ctx=2557
  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=87.0%, 4=1.7%, 10=4.0%, 20=4.9%, 50=0.3%, 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=11404
  read : io=100MiB, bw=5,262KiB/s, runt= 19927msec
    clat (msec): min=    0, max=  309, avg= 6.10, stdev=28.59
    bw (KiB/s) : min=    3, max=16554, per=35.52%, avg=5607.96, stdev=4582.37
  write: io=27,032KiB, bw=1,407KiB/s, runt= 19672msec
    clat (msec): min=    0, max=  292, avg= 7.77, stdev=36.30
    bw (KiB/s) : min=    0, max= 9826, per=70.93%, avg=3463.62, stdev=3725.87
  cpu          : usr=5.16%, sys=0.98%, ctx=4682
  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=7.3%, 20=7.5%, 50=1.3%, 100=0.8%
     lat (msec): 250=1.3%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=11405
  read : io=100MiB, bw=5,284KiB/s, runt= 19841msec
    clat (msec): min=    0, max=  314, avg= 4.94, stdev=29.57
    bw (KiB/s) : min=   15, max=13082, per=40.07%, avg=6324.86, stdev=5055.08
  write: io=27,220KiB, bw=1,423KiB/s, runt= 19584msec
    clat (msec): min=    0, max=  316, avg= 7.37, stdev=37.63
    bw (KiB/s) : min=    0, max=14259, per=74.15%, avg=3620.67, stdev=5395.59
  cpu          : usr=5.14%, sys=1.17%, ctx=2444
  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=87.1%, 4=1.8%, 10=4.3%, 20=4.0%, 50=0.4%, 100=0.1%
     lat (msec): 250=1.5%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,786KiB/s, minb=5,262KiB/s, maxb=5,291KiB/s, mint=19817msec, maxt=19927msec
  WRITE: io=93,808KiB, aggrb=4,883KiB/s, minb=1,407KiB/s, maxb=2,067KiB/s, mint=19817msec, maxt=19927msec

Disk stats (read/write):
  sda: ios=9501/1181, merge=0/22318, ticks=37656/1453412, in_queue=1491068, util=98.06%
3.10user 0.68system 0:20.19elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9501major+91754minor)pagefaults 0swaps