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: [FFF] [100.0% done] [   396/ 12576 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]
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Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [68.2% done] [  4276/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [69.6% done] [ 28476/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [77.3% done] [ 29352/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [85.7% done] [ 30536/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [95.0% done] [ 31900/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 38404/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 39712/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 31596/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 31094/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=22181
  read : io=100MiB, bw=4,299KiB/s, runt= 24389msec
    slat (msec): min=  153, max=21981, avg=17828.63, stdev=3523.44
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=15263, per=71.78%, avg=9258.50, stdev=4850.54
  write: io=98,780KiB, bw=6,853KiB/s, runt= 14758msec
    slat (msec): min=    0, max=  777, avg= 3.08, stdev=19.98
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=68418, per=177.99%, avg=37057.33, stdev=34562.91
  cpu          : usr=5.71%, sys=1.74%, ctx=852
  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=22182
  read : io=100MiB, bw=4,377KiB/s, runt= 23953msec
    slat (msec): min=14088, max=23011, avg=18842.94, stdev=2859.83
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    9, max=23168, per=81.34%, avg=10491.00, stdev=6843.96
  write: io=100MiB, bw=7,118KiB/s, runt= 14731msec
    slat (msec): min=    0, max=   13, avg= 1.86, stdev= 2.04
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=113344, per=272.20%, avg=56672.00, stdev=80146.31
  cpu          : usr=5.38%, sys=1.55%, ctx=745
  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=22183
  read : io=100MiB, bw=4,320KiB/s, runt= 24270msec
    slat (msec): min=   88, max=22617, avg=18060.41, stdev=3422.46
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    4, max=22408, per=77.35%, avg=9976.11, stdev=6978.47
  write: io=98,892KiB, bw=6,864KiB/s, runt= 14752msec
    slat (msec): min=    0, max=   25, avg= 2.22, stdev= 3.04
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=114965, per=299.94%, avg=62447.00, stdev=58122.08
  cpu          : usr=5.77%, sys=1.86%, ctx=858
  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=12,898KiB/s, minb=4,299KiB/s, maxb=4,377KiB/s, mint=23953msec, maxt=24389msec
  WRITE: io=293MiB, aggrb=20,820KiB/s, minb=6,853KiB/s, maxb=7,118KiB/s, mint=23953msec, maxt=24389msec

Disk stats (read/write):
  sda: ios=2933/2837, merge=1240/71975, ticks=74540/1933928, in_queue=2009480, util=97.71%
4.12user 1.26system 0:24.70elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2419minor)pagefaults 0swaps