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: [mFF] [42.9% done] [   756/ 48336 kb/s] [eta 00m:04s]
Threads: 3: [FFF] [100.0% done] [     0/ 39674 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: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [66.7% done] [  3144/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [70.8% done] [ 29044/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [75.0% done] [ 33068/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [79.2% done] [ 25396/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [87.0% done] [ 36552/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [95.5% done] [ 36024/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 29048/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 32408/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 34716/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=6980
  read : io=100MiB, bw=4,152KiB/s, runt= 25252msec
    slat (msec): min=   63, max=21923, avg=17262.53, stdev=5157.48
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=15918, per=70.53%, avg=8786.28, stdev=4090.43
  write: io=87,972KiB, bw=5,766KiB/s, runt= 15621msec
    slat (msec): min=    0, max=   56, avg= 1.89, stdev= 4.18
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=117680, per=310.32%, avg=58840.00, stdev=83212.33
  cpu          : usr=4.58%, sys=1.49%, ctx=1030
  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=6981
  read : io=100MiB, bw=4,229KiB/s, runt= 24794msec
    slat (msec): min=  190, max=23213, avg=18571.49, stdev=3467.57
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    1, max=15360, per=81.54%, avg=10157.81, stdev=5054.80
  write: io=98MiB, bw=6,609KiB/s, runt= 15624msec
    slat (msec): min=    0, max=   18, avg= 2.05, stdev= 2.22
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=47596, per=125.51%, avg=23798.00, stdev=33655.45
  cpu          : usr=5.10%, sys=1.26%, ctx=948
  IO depths    : 1=12.6%, 2=25.0%, 4=50.0%, 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=6982
  read : io=100MiB, bw=4,168KiB/s, runt= 25156msec
    slat (msec): min=  200, max=23562, avg=19210.29, stdev=3454.66
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    9, max=20383, per=82.48%, avg=10274.18, stdev=5892.97
  write: io=98MiB, bw=6,590KiB/s, runt= 15629msec
    slat (msec): min=    0, max=   14, avg= 2.01, stdev= 2.17
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=46958, per=123.83%, avg=23479.00, stdev=33204.32
  cpu          : usr=4.90%, sys=1.65%, ctx=927
  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%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,457KiB/s, minb=4,152KiB/s, maxb=4,229KiB/s, mint=24794msec, maxt=25252msec
  WRITE: io=283MiB, aggrb=18,961KiB/s, minb=5,766KiB/s, maxb=6,609KiB/s, mint=24794msec, maxt=25252msec

Disk stats (read/write):
  sda: ios=3169/2317, merge=1438/69879, ticks=93868/1980164, in_queue=2076576, util=98.43%
3.72user 1.12system 0:25.54elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2427minor)pagefaults 0swaps