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: [mmF] [42.9% done] [  6989/ 91286 kb/s] [eta 00m:04s]
Threads: 3: [mFF] [44.4% done] [   704/ 37328 kb/s] [eta 00m:05s]
Threads: 3: [FFF] [100.0% done] [   445/ 37179 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: [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] [  5312/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [68.0% done] [ 27288/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [72.0% done] [ 35464/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [76.0% done] [ 24336/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [80.0% done] [ 30104/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [91.3% done] [ 33520/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 28600/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 37896/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 33112/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=13096
  read : io=100MiB, bw=4,137KiB/s, runt= 25344msec
    slat (msec): min=   91, max=20908, avg=17107.72, stdev=4619.09
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    1, max=24289, per=65.53%, avg=8133.05, stdev=6942.95
  write: io=92,064KiB, bw=5,933KiB/s, runt= 15888msec
    slat (msec): min=    0, max=   93, avg= 1.96, stdev= 5.82
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=95101, per=175.34%, avg=31771.33, stdev=54845.20
  cpu          : usr=4.89%, sys=1.31%, ctx=956
  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=13097
  read : io=100MiB, bw=4,343KiB/s, runt= 24141msec
    slat (msec): min=   39, max=20273, avg=15182.46, stdev=4790.81
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    7, max=19059, per=70.69%, avg=8773.79, stdev=5839.06
  write: io=94,140KiB, bw=6,067KiB/s, runt= 15887msec
    slat (msec): min=    0, max=  293, avg= 3.19, stdev=20.76
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=49634, per=131.38%, avg=23806.33, stdev=24878.66
  cpu          : usr=4.85%, sys=1.56%, ctx=1075
  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=13098
  read : io=100MiB, bw=4,193KiB/s, runt= 25002msec
    slat (msec): min=  194, max=22273, avg=17674.29, stdev=4325.42
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   12, max=20455, per=74.71%, avg=9273.00, stdev=5824.21
  write: io=95,104KiB, bw=6,126KiB/s, runt= 15897msec
    slat (msec): min=    0, max=    9, avg= 1.77, stdev= 1.85
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=50237, per=138.62%, avg=25118.50, stdev=35522.92
  cpu          : usr=4.62%, sys=1.33%, ctx=983
  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%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,412KiB/s, minb=4,137KiB/s, maxb=4,343KiB/s, mint=24141msec, maxt=25344msec
  WRITE: io=275MiB, aggrb=18,120KiB/s, minb=5,933KiB/s, maxb=6,126KiB/s, mint=24141msec, maxt=25344msec

Disk stats (read/write):
  sda: ios=3334/1909, merge=1207/68386, ticks=93580/1807824, in_queue=1901776, util=99.16%
3.62user 1.06system 0:25.64elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2422minor)pagefaults 0swaps