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: [FmF] [50.0% done] [   192/ 40732 kb/s] [eta 00m:03s]
Threads: 3: [FmF] [66.7% done] [   848/ 23168 kb/s] [eta 00m:02s]
Threads: 3: [FFF] [100.0% done] [     0/ 11940 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] [66.7% done] [     0/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [68.2% done] [ 19484/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [69.6% done] [ 36191/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [70.8% done] [ 30092/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [75.0% done] [ 32092/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [79.2% done] [ 30688/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [90.9% done] [ 32876/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 38772/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 34620/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=12246
  read : io=100MiB, bw=4,483KiB/s, runt= 23390msec
    slat (msec): min=  119, max=21524, avg=19165.97, stdev=2963.56
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=38920, per=82.80%, avg=11135.75, stdev=12233.70
  write: io=98MiB, bw=7,406KiB/s, runt= 13858msec
    slat (msec): min=    0, max=   15, avg= 1.81, stdev= 2.01
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=37846, per=86.97%, avg=18923.00, stdev=26761.16
  cpu          : usr=5.13%, sys=1.74%, ctx=921
  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=12247
  read : io=100MiB, bw=4,771KiB/s, runt= 21977msec
    slat (msec): min=   69, max=17921, avg=13077.32, stdev=3894.19
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=20148, per=64.38%, avg=8658.47, stdev=5896.91
  write: io=91,820KiB, bw=6,786KiB/s, runt= 13854msec
    slat (msec): min=    0, max=  224, avg= 2.70, stdev=14.99
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=80746, per=124.22%, avg=27025.67, stdev=46523.47
  cpu          : usr=5.62%, sys=1.55%, ctx=1011
  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=12248
  read : io=100MiB, bw=4,665KiB/s, runt= 22477msec
    slat (msec): min=13450, max=21539, avg=17777.15, stdev=2261.10
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    2, max=20447, per=89.82%, avg=12080.14, stdev=5351.98
  write: io=100MiB, bw=7,566KiB/s, runt= 13858msec
    slat (msec): min=    0, max=   13, avg= 1.95, stdev= 2.11
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=109394, per=251.40%, avg=54697.00, stdev=77353.24
  cpu          : usr=5.48%, sys=1.73%, ctx=876
  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=13,449KiB/s, minb=4,483KiB/s, maxb=4,771KiB/s, mint=21977msec, maxt=23390msec
  WRITE: io=288MiB, aggrb=21,757KiB/s, minb=6,786KiB/s, maxb=7,566KiB/s, mint=21977msec, maxt=23390msec

Disk stats (read/write):
  sda: ios=3049/1753, merge=1224/71696, ticks=84132/1789772, in_queue=1885732, util=98.55%
3.69user 1.17system 0:23.87elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2420minor)pagefaults 0swaps