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] [   500/ 17788 kb/s] [eta 00m:04s]
Threads: 3: [FFF] [100.0% done] [   652/ 39206 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] [68.2% done] [  8053/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [69.6% done] [ 22429/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [77.3% done] [ 30869/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [85.7% done] [ 32567/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [90.5% done] [ 32429/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 38498/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 31192/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 38463/     0 kb/s] [eta 00m:00s]
Threads: 2: [VEV] [100.0% done] [ 36631/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=11638
  read : io=100MiB, bw=4,404KiB/s, runt= 23807msec
    slat (msec): min=  221, max=22179, avg=18344.64, stdev=3210.10
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=16181, per=78.39%, avg=10261.33, stdev=4930.93
  write: io=98,864KiB, bw=6,928KiB/s, runt= 14612msec
    slat (msec): min=    0, max=   13, avg= 2.01, stdev= 2.05
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=113246, per=279.30%, avg=56623.00, stdev=80077.01
  cpu          : usr=5.23%, sys=1.23%, ctx=845
  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=11639
  read : io=100MiB, bw=4,468KiB/s, runt= 23464msec
    slat (msec): min=  115, max=21389, avg=16647.69, stdev=3808.99
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    6, max=14427, per=76.78%, avg=10050.69, stdev=4494.44
  write: io=96,832KiB, bw=6,770KiB/s, runt= 14646msec
    slat (msec): min=    0, max=   12, avg= 1.74, stdev= 1.99
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=109653, per=270.44%, avg=54826.50, stdev=77536.38
  cpu          : usr=5.22%, sys=1.30%, ctx=910
  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=11640
  read : io=100MiB, bw=4,363KiB/s, runt= 24030msec
    slat (msec): min=   46, max=20573, avg=16188.49, stdev=4668.87
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    4, max=18574, per=66.47%, avg=8700.33, stdev=5584.87
  write: io=94,276KiB, bw=6,593KiB/s, runt= 14642msec
    slat (msec): min=    0, max=   94, avg= 1.93, stdev= 4.42
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=96446, per=158.70%, avg=32173.33, stdev=55661.77
  cpu          : usr=4.93%, sys=1.27%, ctx=1151
  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=13,090KiB/s, minb=4,363KiB/s, maxb=4,468KiB/s, mint=23464msec, maxt=24030msec
  WRITE: io=283MiB, aggrb=20,273KiB/s, minb=6,593KiB/s, maxb=6,928KiB/s, mint=23464msec, maxt=24030msec

Disk stats (read/write):
  sda: ios=3157/2100, merge=1171/70231, ticks=103836/1860008, in_queue=1964936, util=98.91%
3.70user 0.91system 0:24.35elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2420minor)pagefaults 0swaps