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] [9.1% done] [ 28451/  2260 kb/s] [eta 00m:30s]
Threads: 3: [mmm] [16.7% done] [ 24288/ 11512 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [22.7% done] [ 21677/  4245 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [30.0% done] [  5454/ 17967 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [35.0% done] [ 18502/  7888 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [42.1% done] [ 20436/  5797 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [50.0% done] [ 11929/  6250 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [55.6% done] [ 12776/  9385 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [61.1% done] [  3698/ 10641 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [63.2% done] [  4694/  2107 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [65.0% done] [  6061/  1098 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [66.7% done] [  6604/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  2965/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [ 31810/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VF] [69.2% done] [  2520/     0 kb/s] [eta 00m:08s]
Threads: 1: [__F] [100.0% done] [ 25769/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=3064
  read : io=100MiB, bw=6,211KiB/s, runt= 16880msec
    clat (msec): min=    0, max=  300, avg= 5.25, stdev=30.16
    bw (KiB/s) : min=   24, max=19644, per=36.49%, avg=5688.90, stdev=5807.20
  write: io=32,308KiB, bw=1,981KiB/s, runt= 16694msec
    clat (msec): min=    0, max=  303, avg= 7.75, stdev=34.16
    bw (KiB/s) : min=    0, max=23181, per=90.98%, avg=5008.67, stdev=7532.99
  cpu          : usr=5.76%, sys=1.18%, ctx=3289
  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=82.3%, 4=2.3%, 10=6.1%, 20=6.2%, 50=1.1%, 100=0.0%
     lat (msec): 250=1.3%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=3065
  read : io=100MiB, bw=5,597KiB/s, runt= 18732msec
    clat (msec): min=    0, max=  877, avg= 5.93, stdev=36.73
    bw (KiB/s) : min=    1, max=19885, per=34.57%, avg=5389.87, stdev=5422.04
  write: io=28,732KiB, bw=1,584KiB/s, runt= 18564msec
    clat (msec): min=    0, max=  334, avg= 9.58, stdev=44.28
    bw (KiB/s) : min=    0, max= 8352, per=55.83%, avg=3073.58, stdev=3436.51
  cpu          : usr=5.10%, sys=1.11%, ctx=3153
  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=82.7%, 4=1.7%, 10=6.5%, 20=6.0%, 50=0.7%, 100=0.0%
     lat (msec): 250=1.6%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=3066
  read : io=100MiB, bw=5,196KiB/s, runt= 20179msec
    clat (msec): min=    0, max= 1090, avg= 4.99, stdev=38.87
    bw (KiB/s) : min=    8, max=15056, per=31.08%, avg=4845.80, stdev=4990.58
  write: io=46,040KiB, bw=2,366KiB/s, runt= 19918msec
    clat (msec): min=    0, max=  301, avg= 6.64, stdev=37.56
    bw (KiB/s) : min=    0, max=10557, per=99.54%, avg=5479.62, stdev=4471.05
  cpu          : usr=5.15%, sys=0.97%, ctx=2583
  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=87.9%, 4=1.3%, 10=4.3%, 20=4.1%, 50=0.4%, 100=0.0%
     lat (msec): 250=1.1%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,589KiB/s, minb=5,196KiB/s, maxb=6,211KiB/s, mint=16880msec, maxt=20179msec
  WRITE: io=105MiB, aggrb=5,505KiB/s, minb=1,584KiB/s, maxb=2,366KiB/s, mint=16880msec, maxt=20179msec

Disk stats (read/write):
  sda: ios=8805/1323, merge=0/25493, ticks=39132/1285500, in_queue=1324632, util=97.70%
2.98user 0.65system 0:20.57elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8805major+95774minor)pagefaults 0swaps