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: [Fmm] [42.9% done] [  2812/ 68852 kb/s] [eta 00m:04s]
Threads: 3: [FmF] [44.4% done] [  1700/ 25216 kb/s] [eta 00m:05s]
Threads: 3: [FFF] [100.0% done] [     0/ 35140 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] [  2644/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [71.4% done] [ 27644/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [80.0% done] [ 31416/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [85.0% done] [ 30624/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [94.7% done] [ 31454/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 35964/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 37088/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 27544/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 33104/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=14488
  read : io=100MiB, bw=4,579KiB/s, runt= 22895msec
    slat (msec): min=  327, max=21267, avg=17064.21, stdev=2792.25
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=23761, per=76.50%, avg=10342.56, stdev=6406.85
  write: io=98MiB, bw=7,500KiB/s, runt= 13700msec
    slat (msec): min=    0, max=   14, avg= 1.85, stdev= 1.96
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=107739, per=254.79%, avg=53869.50, stdev=76182.98
  cpu          : usr=5.70%, sys=1.52%, ctx=776
  IO depths    : 1=12.6%, 2=25.1%, 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=14489
  read : io=100MiB, bw=4,525KiB/s, runt= 23170msec
    slat (msec): min=   59, max=18892, avg=13856.53, stdev=4463.96
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   23, max=22511, per=59.55%, avg=8051.55, stdev=6259.89
  write: io=95,068KiB, bw=7,067KiB/s, runt= 13775msec
    slat (msec): min=    0, max=   12, avg= 1.81, stdev= 1.95
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=17493, per=41.37%, avg=8746.50, stdev=12369.42
  cpu          : usr=5.21%, sys=1.85%, ctx=972
  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=14490
  read : io=100MiB, bw=4,506KiB/s, runt= 23267msec
    slat (msec): min=   77, max=20141, avg=15143.08, stdev=4498.98
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   12, max=19750, per=60.88%, avg=8230.80, stdev=5263.24
  write: io=89,016KiB, bw=6,654KiB/s, runt= 13698msec
    slat (msec): min=    0, max=   11, avg= 1.63, stdev= 1.76
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=115930, per=274.16%, avg=57965.00, stdev=81974.89
  cpu          : usr=5.47%, sys=1.41%, ctx=973
  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=13,520KiB/s, minb=4,506KiB/s, maxb=4,579KiB/s, mint=22895msec, maxt=23267msec
  WRITE: io=278MiB, aggrb=21,143KiB/s, minb=6,654KiB/s, maxb=7,500KiB/s, mint=22895msec, maxt=23267msec

Disk stats (read/write):
  sda: ios=3333/2067, merge=1400/68918, ticks=65756/1617908, in_queue=1685000, util=98.97%
3.83user 1.12system 0:23.58elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2416minor)pagefaults 0swaps