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] [20.0% done] [ 33884/  8060 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [28.6% done] [ 31588/  3372 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [35.7% done] [ 17660/ 13348 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [42.9% done] [ 21692/  8664 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [46.7% done] [ 20432/  6324 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [53.3% done] [ 15068/ 17952 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [56.2% done] [ 11344/  6240 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [58.8% done] [  5328/  6384 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [61.1% done] [  3908/  2300 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [63.2% done] [  2624/  2816 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [68.4% done] [  6020/     0 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [   240/     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] [73.9% done] [  6892/     0 kb/s] [eta 00m:06s]
Threads: 1: [_F_] [100.0% done] [ 45764/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=4845
  read : io=100MiB, bw=6,021KiB/s, runt= 17413msec
    clat (msec): min=    0, max=  704, avg= 3.44, stdev=27.93
    bw (KiB/s) : min=   14, max=25172, per=51.80%, avg=8733.20, stdev=7298.50
  write: io=31,128KiB, bw=1,849KiB/s, runt= 17232msec
    clat (msec): min=    0, max=  947, avg= 5.61, stdev=45.07
    bw (KiB/s) : min=    0, max=12252, per=79.47%, avg=4390.78, stdev=4568.41
  cpu          : usr=5.33%, sys=0.78%, ctx=1158
  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=93.3%, 4=1.1%, 10=1.8%, 20=1.8%, 50=0.2%, 100=0.1%
     lat (msec): 250=1.4%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4846
  read : io=100MiB, bw=5,619KiB/s, runt= 18658msec
    clat (msec): min=    0, max=  318, avg= 4.56, stdev=23.01
    bw (KiB/s) : min=   13, max=12963, per=28.94%, avg=4879.30, stdev=4420.77
  write: io=46,600KiB, bw=2,593KiB/s, runt= 18396msec
    clat (msec): min=    0, max=  194, avg= 7.40, stdev=24.01
    bw (KiB/s) : min=    0, max=14595, per=114.50%, avg=6326.38, stdev=5552.84
  cpu          : usr=5.49%, sys=1.18%, ctx=5033
  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=78.7%, 4=2.6%, 10=7.1%, 20=7.6%, 50=1.3%, 100=1.1%
     lat (msec): 250=1.3%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4847
  read : io=100MiB, bw=5,935KiB/s, runt= 17667msec
    clat (msec): min=    0, max=  318, avg= 4.27, stdev=24.34
    bw (KiB/s) : min=    7, max=18751, per=49.76%, avg=8388.67, stdev=6181.61
  write: io=21,528KiB, bw=1,256KiB/s, runt= 17541msec
    clat (msec): min=    0, max=  223, avg= 4.55, stdev=23.23
    bw (KiB/s) : min=    0, max=12829, per=95.77%, avg=5291.43, stdev=5719.09
  cpu          : usr=5.05%, sys=0.84%, ctx=2328
  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=1.4%, 10=4.3%, 20=3.7%, 50=0.6%, 100=0.1%
     lat (msec): 250=1.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,859KiB/s, minb=5,619KiB/s, maxb=6,021KiB/s, mint=17413msec, maxt=18658msec
  WRITE: io=99,256KiB, aggrb=5,525KiB/s, minb=1,256KiB/s, maxb=2,593KiB/s, mint=17413msec, maxt=18658msec

Disk stats (read/write):
  sda: ios=8272/1225, merge=0/23642, ticks=32008/1250064, in_queue=1282072, util=97.32%
2.84user 0.55system 0:19.08elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8272major+94347minor)pagefaults 0swaps