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] [37.5% done] [  1548/ 68364 kb/s] [eta 00m:05s]
Threads: 3: [FFF] [100.0% done] [     0/ 45308 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: [VFV] [68.4% done] [     0/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [70.0% done] [ 16284/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [71.4% done] [ 28320/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [80.0% done] [ 34850/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [89.5% done] [ 31688/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [94.7% done] [ 35024/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 38416/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 35176/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 29576/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [100.0% done] [ 29472/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=16210
  read : io=100MiB, bw=4,798KiB/s, runt= 21854msec
    slat (msec): min=  214, max=19906, avg=15414.32, stdev=3166.70
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    3, max=23343, per=72.91%, avg=10151.24, stdev=7085.45
  write: io=99,832KiB, bw=7,848KiB/s, runt= 13025msec
    slat (msec): min=    0, max=   10, avg= 1.97, stdev= 2.03
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=36487, per=83.86%, avg=18243.50, stdev=25800.21
  cpu          : usr=5.77%, sys=1.94%, ctx=807
  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=16211
  read : io=100MiB, bw=4,696KiB/s, runt= 22325msec
    slat (msec): min=   79, max=18985, avg=14425.09, stdev=4400.08
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   22, max=15767, per=63.12%, avg=8788.67, stdev=4932.39
  write: io=90,048KiB, bw=6,853KiB/s, runt= 13455msec
    slat (msec): min=    0, max=   10, avg= 1.67, stdev= 1.82
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=115866, per=266.29%, avg=57933.00, stdev=81929.63
  cpu          : usr=5.21%, sys=1.95%, ctx=917
  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=16212
  read : io=100MiB, bw=4,641KiB/s, runt= 22593msec
    slat (msec): min=   92, max=20487, avg=16346.43, stdev=3761.53
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    5, max=21956, per=70.24%, avg=9779.39, stdev=5966.06
  write: io=95,992KiB, bw=7,542KiB/s, runt= 13033msec
    slat (msec): min=    0, max=   13, avg= 1.80, stdev= 1.99
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=113629, per=261.14%, avg=56814.50, stdev=80347.84
  cpu          : usr=5.45%, sys=2.09%, ctx=858
  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=13,923KiB/s, minb=4,641KiB/s, maxb=4,798KiB/s, mint=21854msec, maxt=22593msec
  WRITE: io=279MiB, aggrb=21,756KiB/s, minb=6,853KiB/s, maxb=7,848KiB/s, mint=21854msec, maxt=22593msec

Disk stats (read/write):
  sda: ios=3198/1774, merge=1490/69590, ticks=88972/1579856, in_queue=1672400, util=99.22%
3.70user 1.35system 0:22.83elapsed 22%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2413minor)pagefaults 0swaps