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] [  1704/ 20184 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: [FVF] [66.7% done] [     0/     0 kb/s] [eta 00m:05s]
Threads: 3: [FVF] [78.6% done] [ 16240/     0 kb/s] [eta 00m:03s]
Threads: 3: [FVF] [85.7% done] [ 12448/     0 kb/s] [eta 00m:02s]
Threads: 3: [FVF] [92.9% done] [  6612/     0 kb/s] [eta 00m:01s]
Threads: 3: [FVF] [100.0% done] [  8060/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [68.2% done] [ 19748/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [69.6% done] [ 16116/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [73.9% done] [ 33320/     0 kb/s] [eta 00m:06s]
Threads: 2: [V_V] [81.8% done] [ 36220/     0 kb/s] [eta 00m:04s]
Threads: 2: [V_V] [90.5% done] [ 27988/     0 kb/s] [eta 00m:02s]
Threads: 2: [V_V] [100.0% done] [ 37856/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 35632/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 32944/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=26483
  read : io=100MiB, bw=4,588KiB/s, runt= 22853msec
    slat (msec): min=   48, max=20417, avg=17367.59, stdev=3333.33
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    6, max=26426, per=85.15%, avg=11721.25, stdev=8577.32
  write: io=98MiB, bw=6,865KiB/s, runt= 14988msec
    slat (msec): min=    0, max=  675, avg= 3.16, stdev=23.45
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=109880, per=169.84%, avg=34674.50, stdev=51924.97
  cpu          : usr=6.21%, sys=2.01%, ctx=850
  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=26484
  read : io=100MiB, bw=5,809KiB/s, runt= 18050msec
    slat (msec): min= 9235, max=17077, avg=13458.95, stdev=2358.30
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   24, max=31428, per=91.80%, avg=12636.60, stdev=7656.96
  write: io=100MiB, bw=10,837KiB/s, runt=  9675msec
    slat (msec): min=    0, max=   15, avg= 1.99, stdev= 2.13
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=106227, per=260.16%, avg=53113.50, stdev=75113.83
  cpu          : usr=7.00%, sys=2.33%, ctx=751
  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=26485
  read : io=100MiB, bw=4,614KiB/s, runt= 22722msec
    slat (msec): min=   61, max=20437, avg=16750.48, stdev=3968.45
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    9, max=24101, per=78.83%, avg=10851.40, stdev=7704.05
  write: io=95,940KiB, bw=6,556KiB/s, runt= 14984msec
    slat (msec): min=    0, max=   91, avg= 2.66, stdev= 6.63
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=97938, per=207.38%, avg=42338.25, stdev=49892.74
  cpu          : usr=5.91%, sys=1.87%, ctx=853
  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=13,765KiB/s, minb=4,588KiB/s, maxb=5,809KiB/s, mint=18050msec, maxt=22853msec
  WRITE: io=292MiB, aggrb=20,416KiB/s, minb=6,556KiB/s, maxb=10,837KiB/s, mint=18050msec, maxt=22853msec

Disk stats (read/write):
  sda: ios=2996/1811, merge=1297/72687, ticks=63508/1810424, in_queue=1951688, util=98.11%
4.08user 1.34system 0:23.08elapsed 23%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2417minor)pagefaults 0swaps