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] [8.3% done] [  3783/ 60050 kb/s] [eta 00m:33s]
Threads: 3: [mFF] [8.3% done] [     0/ 13764 kb/s] [eta 00m:44s]
Threads: 3: [mFF] [8.3% done] [     0/     0 kb/s] [eta 00m:55s]
Threads: 3: [mFF] [10.0% done] [     0/     0 kb/s] [eta 00m:54s]
Threads: 3: [mFF] [16.3% done] [  1064/ 11000 kb/s] [eta 00m:36s]
Threads: 3: [mFF] [47.1% done] [     0/ 45196 kb/s] [eta 00m:09s]
Threads: 3: [mFF] [47.4% done] [   176/   364 kb/s] [eta 00m:10s]
Threads: 3: [mFF] [47.6% done] [     0/     0 kb/s] [eta 00m:11s]
Threads: 3: [mFF] [47.8% done] [   440/     0 kb/s] [eta 00m:12s]
Threads: 3: [mFF] [46.2% done] [     0/     0 kb/s] [eta 00m:14s]
Threads: 3: [mFF] [54.2% done] [   460/ 11204 kb/s] [eta 00m:11s]
Threads: 3: [FFF] [100.0% done] [     0/ 19952 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FVV] [66.7% done] [  1872/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [68.0% done] [ 18000/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [69.2% done] [ 35292/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [73.1% done] [ 30224/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [76.9% done] [ 30764/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [80.8% done] [ 32143/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [88.0% done] [ 30400/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [95.8% done] [ 37916/     0 kb/s] [eta 00m:01s]
Threads: 2: [V_V] [100.0% done] [ 32135/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=31061
  read : io=100MiB, bw=4,130KiB/s, runt= 25389msec
    slat (msec): min=   49, max=12048, avg=9170.71, stdev=3038.10
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   21, max=36534, per=58.74%, avg=7277.45, stdev=8389.49
  write: io=87,716KiB, bw=5,528KiB/s, runt= 16246msec
    slat (msec): min=    0, max= 1124, avg= 6.31, stdev=71.48
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=35615, per=67.01%, avg=11897.00, stdev=20540.43
  cpu          : usr=4.84%, sys=1.31%, ctx=1004
  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=31062
  read : io=100MiB, bw=4,380KiB/s, runt= 23938msec
    slat (msec): min=   67, max=20886, avg=16200.77, stdev=4030.77
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   18, max=21344, per=77.72%, avg=9629.94, stdev=6276.04
  write: io=95,684KiB, bw=6,186KiB/s, runt= 15839msec
    slat (msec): min=    0, max=   72, avg= 2.10, stdev= 4.41
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=98011, per=184.93%, avg=32832.00, stdev=56447.19
  cpu          : usr=5.11%, sys=1.50%, ctx=959
  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=31063
  read : io=100MiB, bw=4,287KiB/s, runt= 24457msec
    slat (msec): min=  206, max=22250, avg=18235.38, stdev=3572.58
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    5, max=23497, per=85.55%, avg=10599.94, stdev=7157.29
  write: io=98,284KiB, bw=6,347KiB/s, runt= 15855msec
    slat (msec): min=    0, max=   12, avg= 1.88, stdev= 1.98
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=105944, per=298.37%, avg=52972.00, stdev=74913.72
  cpu          : usr=5.09%, sys=1.49%, ctx=938
  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=12,390KiB/s, minb=4,130KiB/s, maxb=4,380KiB/s, mint=23938msec, maxt=25389msec
  WRITE: io=275MiB, aggrb=17,754KiB/s, minb=5,528KiB/s, maxb=6,347KiB/s, mint=23938msec, maxt=25389msec

Disk stats (read/write):
  sda: ios=3301/2915, merge=1302/67374, ticks=121828/1814800, in_queue=1936792, util=98.94%
3.75user 1.08system 0:25.67elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2424minor)pagefaults 0swaps