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] [13.0% done] [ 18824/ 10416 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [18.2% done] [ 23960/  2712 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [25.0% done] [ 28520/  3504 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [33.3% done] [ 11672/ 16340 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [36.8% done] [ 15796/  6428 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [42.1% done] [ 13564/  7244 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [45.0% done] [  9656/ 14968 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [47.6% done] [  4716/ 12228 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [55.0% done] [ 11210/  2858 kb/s] [eta 00m:09s]
Threads: 3: [mmF] [54.5% done] [   828/ 12648 kb/s] [eta 00m:10s]
Threads: 3: [mmF] [56.5% done] [  4644/   528 kb/s] [eta 00m:10s]
Threads: 3: [mmF] [60.9% done] [  3528/  3772 kb/s] [eta 00m:09s]
Threads: 3: [mmF] [62.5% done] [  1308/  5240 kb/s] [eta 00m:09s]
Threads: 3: [mFF] [64.0% done] [  2716/  3768 kb/s] [eta 00m:09s]
Threads: 3: [FFF] [100.0% done] [  4304/   876 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: [EFF] [100.0% done] [ 15704/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=17026
  read : io=100MiB, bw=5,185KiB/s, runt= 20220msec
    clat (msec): min=    0, max=  279, avg= 7.37, stdev=30.47
    bw (KiB/s) : min=   22, max=16384, per=38.46%, avg=5376.84, stdev=4609.63
  write: io=15,704KiB, bw=799KiB/s, runt= 20125msec
    clat (msec): min=    0, max=  288, avg=10.12, stdev=39.15
    bw (KiB/s) : min=    0, max= 7641, per=36.95%, avg=1913.83, stdev=2400.05
  cpu          : usr=3.84%, sys=1.03%, ctx=5552
  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=73.5%, 4=2.8%, 10=8.6%, 20=10.3%, 50=1.4%, 100=0.6%
     lat (msec): 250=2.2%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=17027
  read : io=100MiB, bw=4,668KiB/s, runt= 22463msec
    clat (msec): min=    0, max=  772, avg= 4.87, stdev=33.21
    bw (KiB/s) : min=    4, max=11753, per=31.36%, avg=4384.00, stdev=4132.86
  write: io=47,012KiB, bw=2,169KiB/s, runt= 22194msec
    clat (msec): min=    0, max=  278, avg= 6.53, stdev=31.40
    bw (KiB/s) : min=    0, max=16220, per=83.78%, avg=4339.68, stdev=4637.57
  cpu          : usr=4.68%, sys=1.02%, ctx=3352
  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=85.6%, 4=1.9%, 10=4.9%, 20=5.0%, 50=0.5%, 100=0.0%
     lat (msec): 250=1.7%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=17028
  read : io=100MiB, bw=4,659KiB/s, runt= 22502msec
    clat (msec): min=    0, max=  282, avg= 2.92, stdev=22.20
    bw (KiB/s) : min=    6, max=17020, per=42.56%, avg=5949.40, stdev=5913.77
  write: io=49,688KiB, bw=2,290KiB/s, runt= 22218msec
    clat (msec): min=    0, max=  596, avg= 6.96, stdev=39.19
    bw (KiB/s) : min=    0, max=13642, per=99.63%, avg=5160.76, stdev=4981.56
  cpu          : usr=4.73%, sys=0.92%, ctx=2120
  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=90.4%, 4=1.2%, 10=3.3%, 20=3.1%, 50=0.2%, 100=0.1%
     lat (msec): 250=1.3%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=13,979KiB/s, minb=4,659KiB/s, maxb=5,185KiB/s, mint=20220msec, maxt=22502msec
  WRITE: io=110MiB, aggrb=5,180KiB/s, minb=799KiB/s, maxb=2,290KiB/s, mint=20220msec, maxt=22502msec

Disk stats (read/write):
  sda: ios=10736/1339, merge=0/26810, ticks=42220/1708020, in_queue=1750240, util=96.98%
2.89user 0.74system 0:23.17elapsed 15%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (10735major+95186minor)pagefaults 0swaps