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: [mmm] [15.8% done] [ 16648/ 71850 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [44.4% done] [  3254/ 81305 kb/s] [eta 00m:05s]
Threads: 3: [mmm] [45.5% done] [   516/     0 kb/s] [eta 00m:06s]
Threads: 3: [mmm] [42.9% done] [  1158/   235 kb/s] [eta 00m:08s]
Threads: 3: [mFm] [43.8% done] [   439/ 36713 kb/s] [eta 00m:09s]
Threads: 3: [mFm] [44.4% done] [   735/     0 kb/s] [eta 00m:10s]
Threads: 3: [mFm] [42.9% done] [   463/     0 kb/s] [eta 00m:12s]
Threads: 3: [mFm] [43.5% done] [     0/     0 kb/s] [eta 00m:13s]
Threads: 3: [mFm] [44.0% done] [  1353/     0 kb/s] [eta 00m:14s]
Threads: 3: [mFm] [44.4% done] [     0/     0 kb/s] [eta 00m:15s]
Threads: 3: [mFm] [43.3% done] [   999/     0 kb/s] [eta 00m:17s]
Threads: 3: [FVm] [48.3% done] [  2243/ 36461 kb/s] [eta 00m:15s]
Threads: 3: [FVm] [48.4% done] [  1040/     0 kb/s] [eta 00m:16s]
Threads: 3: [VVm] [50.0% done] [  6887/     0 kb/s] [eta 00m:16s]
Threads: 3: [VVF] [70.8% done] [  6916/ 27859 kb/s] [eta 00m:07s]
Threads: 3: [VVF] [72.0% done] [   633/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [67.9% done] [  8955/     0 kb/s] [eta 00m:09s]
Threads: 3: [VVV] [71.4% done] [ 23592/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [72.4% done] [ 25153/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [78.6% done] [ 24563/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [82.1% done] [ 21987/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [80.0% done] [ 18584/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [83.3% done] [ 23320/     0 kb/s] [eta 00m:05s]
Threads: 2: [V_V] [92.9% done] [ 24502/     0 kb/s] [eta 00m:02s]
Threads: 2: [V_V] [100.0% done] [ 24641/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 25608/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=3596
  read : io=100MiB, bw=3,683KiB/s, runt= 28467msec
    slat (msec): min=   40, max=14903, avg=8633.51, stdev=4430.43
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    1, max=17063, per=52.29%, avg=5691.10, stdev=4701.34
  write: io=87,232KiB, bw=5,735KiB/s, runt= 15574msec
    slat (msec): min=    0, max=   13, avg= 1.91, stdev= 2.07
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max= 4695, per=16.90%, avg=2347.50, stdev=3319.87
  cpu          : usr=4.22%, sys=1.42%, ctx=477
  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=3597
  read : io=100MiB, bw=4,145KiB/s, runt= 25292msec
    slat (msec): min=   36, max=18821, avg=14415.02, stdev=4965.05
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    4, max=21158, per=78.54%, avg=8548.45, stdev=5838.30
  write: io=85,028KiB, bw=6,494KiB/s, runt= 13406msec
    slat (msec): min=    0, max=   43, avg= 2.08, stdev= 2.84
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=93992, per=225.81%, avg=31358.33, stdev=54242.36
  cpu          : usr=4.60%, sys=1.61%, ctx=747
  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=3598
  read : io=100MiB, bw=3,628KiB/s, runt= 28901msec
    slat (msec): min=   27, max=12467, avg=8007.04, stdev=4092.02
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    5, max=17341, per=55.71%, avg=6063.79, stdev=5446.81
  write: io=78,076KiB, bw=4,331KiB/s, runt= 18458msec
    slat (msec): min=    0, max= 2547, avg=11.20, stdev=152.98
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=17089, per=41.06%, avg=5702.67, stdev=9860.86
  cpu          : usr=3.99%, sys=1.22%, ctx=778
  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=10,884KiB/s, minb=3,628KiB/s, maxb=4,145KiB/s, mint=25292msec, maxt=28901msec
  WRITE: io=244MiB, aggrb=13,887KiB/s, minb=4,331KiB/s, maxb=6,494KiB/s, mint=25292msec, maxt=28901msec

Disk stats (read/write):
  sda: ios=2377/3037, merge=43/59477, ticks=118200/1717828, in_queue=1836036, util=99.43%
3.57user 1.18system 0:29.12elapsed 16%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2437minor)pagefaults 0swaps