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] [     0/109514 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] [66.7% done] [  3504/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [68.2% done] [ 25348/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [76.2% done] [ 26712/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [85.0% done] [ 33174/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [94.7% done] [ 32872/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 38560/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 35240/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 30392/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 35112/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=28254
  read : io=100MiB, bw=4,541KiB/s, runt= 23089msec
    slat (msec): min=  203, max=20745, avg=16373.85, stdev=3386.38
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=17678, per=71.62%, avg=9650.78, stdev=5340.94
  write: io=97,264KiB, bw=7,236KiB/s, runt= 13764msec
    slat (msec): min=    0, max=   13, avg= 1.80, stdev= 1.91
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=112847, per=260.91%, avg=56423.50, stdev=79794.88
  cpu          : usr=5.23%, sys=1.56%, ctx=827
  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=28255
  read : io=100MiB, bw=4,580KiB/s, runt= 22890msec
    slat (msec): min=  115, max=20408, avg=15774.71, stdev=4212.50
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   18, max=19825, per=69.42%, avg=9354.06, stdev=5994.33
  write: io=94,468KiB, bw=7,026KiB/s, runt= 13767msec
    slat (msec): min=    0, max=   16, avg= 1.99, stdev= 2.42
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=99170, per=229.28%, avg=49585.00, stdev=70123.78
  cpu          : usr=5.54%, sys=1.89%, ctx=876
  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=28256
  read : io=100MiB, bw=4,491KiB/s, runt= 23344msec
    slat (msec): min=  197, max=21669, avg=17576.26, stdev=3204.25
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   16, max=15885, per=71.06%, avg=9575.82, stdev=5106.00
  write: io=99,016KiB, bw=7,368KiB/s, runt= 13760msec
    slat (msec): min=    0, max=   12, avg= 2.03, stdev= 1.97
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=112578, per=260.28%, avg=56289.00, stdev=79604.67
  cpu          : usr=5.50%, sys=1.71%, ctx=771
  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=13,475KiB/s, minb=4,491KiB/s, maxb=4,580KiB/s, mint=22890msec, maxt=23344msec
  WRITE: io=284MiB, aggrb=21,626KiB/s, minb=7,026KiB/s, maxb=7,368KiB/s, mint=22890msec, maxt=23344msec

Disk stats (read/write):
  sda: ios=3105/2089, merge=1612/70331, ticks=78388/1674104, in_queue=1760108, util=98.74%
3.82user 1.20system 0:23.62elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2434minor)pagefaults 0swaps