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: [FFm] [42.9% done] [     0/124632 kb/s] [eta 00m:04s]
Threads: 3: [FFm] [44.4% done] [  1084/     0 kb/s] [eta 00m:05s]
Threads: 3: [FFF] [100.0% done] [   628/ 36972 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] [70.0% done] [  8264/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [71.4% done] [ 29968/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [76.2% done] [ 25296/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [81.0% done] [ 26512/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [90.0% done] [ 35680/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 33934/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 31968/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 37080/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 31641/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=3632
  read : io=100MiB, bw=4,527KiB/s, runt= 23159msec
    slat (msec): min=  139, max=20596, avg=16450.39, stdev=3963.14
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=25973, per=65.82%, avg=8940.11, stdev=6298.93
  write: io=95,144KiB, bw=7,218KiB/s, runt= 13497msec
    slat (msec): min=    0, max=   13, avg= 1.74, stdev= 1.89
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=112974, per=260.42%, avg=56487.00, stdev=79884.68
  cpu          : usr=5.41%, sys=1.49%, ctx=886
  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=3633
  read : io=100MiB, bw=4,778KiB/s, runt= 21944msec
    slat (msec): min=   74, max=20322, avg=16133.50, stdev=3322.02
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   13, max=24033, per=76.97%, avg=10454.88, stdev=6871.24
  write: io=99,904KiB, bw=7,586KiB/s, runt= 13485msec
    slat (msec): min=    0, max=  176, avg= 1.90, stdev= 4.73
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=84626, per=130.14%, avg=28228.00, stdev=48842.11
  cpu          : usr=5.60%, sys=1.79%, ctx=849
  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=3634
  read : io=100MiB, bw=4,549KiB/s, runt= 23047msec
    slat (msec): min=  105, max=18525, avg=13598.92, stdev=4443.13
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    8, max=19023, per=54.57%, avg=7411.71, stdev=5115.87
  write: io=90,864KiB, bw=6,893KiB/s, runt= 13497msec
    slat (msec): min=    0, max=   11, avg= 1.70, stdev= 1.89
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=24197, per=55.78%, avg=12098.50, stdev=17109.86
  cpu          : usr=5.22%, sys=1.48%, ctx=1007
  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%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=13,583KiB/s, minb=4,527KiB/s, maxb=4,778KiB/s, mint=21944msec, maxt=23159msec
  WRITE: io=279MiB, aggrb=21,691KiB/s, minb=6,893KiB/s, maxb=7,586KiB/s, mint=21944msec, maxt=23159msec

Disk stats (read/write):
  sda: ios=3245/1997, merge=1298/69265, ticks=74196/1596832, in_queue=1677044, util=99.07%
3.74user 1.08system 0:23.44elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2421minor)pagefaults 0swaps