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: [Fmm] [42.9% done] [  3924/ 55928 kb/s] [eta 00m:04s]
Threads: 3: [Fmm] [44.4% done] [  5676/     0 kb/s] [eta 00m:05s]
Threads: 3: [Fmm] [45.5% done] [  6336/     0 kb/s] [eta 00m:06s]
Threads: 3: [FFm] [50.0% done] [  4524/ 33672 kb/s] [eta 00m:06s]
Threads: 3: [FFm] [50.0% done] [   380/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [53.3% done] [  1260/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [52.9% done] [   972/     0 kb/s] [eta 00m:08s]
Threads: 3: [FFF] [100.0% done] [   372/ 23364 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] [   988/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [70.8% done] [ 21964/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [75.0% done] [ 25792/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [82.6% done] [ 29896/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [87.0% done] [ 30576/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [91.3% done] [ 33849/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [95.7% done] [ 34568/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 29692/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 27332/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=30539
  read : io=100MiB, bw=4,119KiB/s, runt= 25454msec
    slat (msec): min=15125, max=24537, avg=20156.36, stdev=2375.27
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    5, max=22276, per=86.27%, avg=10661.59, stdev=6550.80
  write: io=100MiB, bw=6,611KiB/s, runt= 15860msec
    slat (msec): min=    0, max=   11, avg= 1.93, stdev= 1.99
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=113723, per=333.30%, avg=56861.50, stdev=80414.30
  cpu          : usr=4.89%, sys=1.34%, ctx=727
  IO depths    : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.4%, 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=30540
  read : io=100MiB, bw=4,135KiB/s, runt= 25357msec
    slat (msec): min=   71, max=19500, avg=13658.32, stdev=6049.04
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    8, max=19546, per=59.11%, avg=7304.88, stdev=5389.24
  write: io=85,012KiB, bw=5,438KiB/s, runt= 16008msec
    slat (msec): min=    0, max=   19, avg= 2.06, stdev= 2.46
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=10412, per=30.52%, avg=5206.00, stdev=7362.40
  cpu          : usr=4.67%, sys=1.44%, ctx=1145
  IO depths    : 1=12.6%, 2=25.1%, 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=30541
  read : io=100MiB, bw=4,163KiB/s, runt= 25182msec
    slat (msec): min=   66, max=15616, avg=9372.44, stdev=4849.10
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   33, max=21261, per=46.50%, avg=5746.62, stdev=5182.71
  write: io=79,292KiB, bw=5,072KiB/s, runt= 16008msec
    slat (msec): min=    0, max=   10, avg= 1.72, stdev= 1.95
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max= 8114, per=23.78%, avg=4057.00, stdev=5737.46
  cpu          : usr=4.69%, sys=1.43%, ctx=1291
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.4%, 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=12,358KiB/s, minb=4,119KiB/s, maxb=4,163KiB/s, mint=25182msec, maxt=25454msec
  WRITE: io=260MiB, aggrb=17,060KiB/s, minb=5,072KiB/s, maxb=6,611KiB/s, mint=25182msec, maxt=25454msec

Disk stats (read/write):
  sda: ios=3746/2367, merge=1213/64208, ticks=82932/2025420, in_queue=2109252, util=99.26%
3.66user 1.08system 0:25.72elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2421minor)pagefaults 0swaps