fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [FmF] [5.1% done] [     0/ 79356 kb/s] [eta 00m:56s]
Threads: 3: [FmF] [6.7% done] [   960/     0 kb/s] [eta 00m:56s]
Threads: 3: [FmF] [45.5% done] [   936/ 55928 kb/s] [eta 00m:06s]
Threads: 3: [FmF] [50.0% done] [  1092/  6904 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [     0/ 28852 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]
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: [VVV] [66.7% done] [ 12980/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [68.2% done] [ 21601/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [72.7% done] [ 29624/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [81.0% done] [ 34304/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [90.0% done] [ 30596/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 37780/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 33780/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 32944/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 36532/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=30885
  read : io=100MiB, bw=4,673KiB/s, runt= 22439msec
    slat (msec): min=12542, max=21501, avg=17207.97, stdev=2338.06
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    6, max=19811, per=83.01%, avg=11370.27, stdev=6107.62
  write: io=100MiB, bw=7,903KiB/s, runt= 13268msec
    slat (msec): min=    0, max=   17, avg= 1.83, stdev= 1.97
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=113493, per=264.24%, avg=56746.50, stdev=80251.67
  cpu          : usr=5.70%, sys=1.50%, ctx=734
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=30886
  read : io=100MiB, bw=4,664KiB/s, runt= 22478msec
    slat (msec): min=  105, max=16215, avg=11733.57, stdev=3933.88
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   29, max=21895, per=56.41%, avg=7726.33, stdev=6525.51
  write: io=91,684KiB, bw=7,033KiB/s, runt= 13349msec
    slat (msec): min=    0, max=   10, avg= 1.60, stdev= 1.80
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=32110, per=74.76%, avg=16055.00, stdev=22705.20
  cpu          : usr=5.13%, sys=1.85%, ctx=968
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=30887
  read : io=100MiB, bw=4,565KiB/s, runt= 22965msec
    slat (msec): min=  123, max=20352, avg=16351.17, stdev=4266.24
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    1, max=27615, per=72.08%, avg=9873.06, stdev=7888.76
  write: io=93,716KiB, bw=6,993KiB/s, runt= 13723msec
    slat (msec): min=    0, max=   15, avg= 1.82, stdev= 2.06
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=115094, per=267.97%, avg=57547.00, stdev=81383.75
  cpu          : usr=5.17%, sys=1.88%, ctx=935
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=13,697KiB/s, minb=4,565KiB/s, maxb=4,673KiB/s, mint=22439msec, maxt=22965msec
  WRITE: io=281MiB, aggrb=21,475KiB/s, minb=6,993KiB/s, maxb=7,903KiB/s, mint=22439msec, maxt=22965msec

Disk stats (read/write):
  sda: ios=3225/2009, merge=1147/69780, ticks=73480/1729052, in_queue=1805264, util=99.06%
3.66user 1.20system 0:23.23elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2419minor)pagefaults 0swaps