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] [7.1% done] [  3408/ 21140 kb/s] [eta 00m:39s]
Threads: 3: [Fmm] [44.4% done] [  1476/ 78064 kb/s] [eta 00m:05s]
Threads: 3: [FmF] [45.5% done] [  1272/ 12716 kb/s] [eta 00m:06s]
Threads: 3: [FmF] [46.2% done] [   868/     0 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [43.8% done] [   940/     0 kb/s] [eta 00m:09s]
Threads: 3: [FmF] [44.4% done] [   972/     0 kb/s] [eta 00m:10s]
Threads: 3: [FmF] [45.0% done] [   916/     0 kb/s] [eta 00m:11s]
Threads: 3: [FFF] [100.0% done] [   140/ 33412 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:09s]
Threads: 3: [VVV] [67.9% done] [ 17812/     0 kb/s] [eta 00m:09s]
Threads: 3: [VVV] [74.1% done] [ 32328/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [80.8% done] [ 29360/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [84.6% done] [ 28100/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [95.8% done] [ 34964/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 37212/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 30228/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 32616/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 29512/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=5132
  read : io=100MiB, bw=3,782KiB/s, runt= 27723msec
    slat (msec): min=  144, max=25618, avg=21472.02, stdev=4249.98
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    5, max=22736, per=80.13%, avg=9091.22, stdev=6110.78
  write: io=98,924KiB, bw=5,631KiB/s, runt= 17988msec
    slat (msec): min=    0, max=  213, avg= 1.91, stdev= 5.56
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=82208, per=172.21%, avg=27417.67, stdev=47449.83
  cpu          : usr=4.29%, sys=1.46%, ctx=911
  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=5133
  read : io=100MiB, bw=3,801KiB/s, runt= 27581msec
    slat (msec): min=   61, max=18069, avg=12042.78, stdev=4732.52
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    4, max=14944, per=50.07%, avg=5681.37, stdev=5022.70
  write: io=90,496KiB, bw=5,149KiB/s, runt= 17996msec
    slat (msec): min=    0, max=  196, avg= 2.55, stdev=11.77
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=104802, per=219.53%, avg=34950.67, stdev=60493.03
  cpu          : usr=4.42%, sys=1.02%, ctx=1150
  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=5134
  read : io=100MiB, bw=3,792KiB/s, runt= 27647msec
    slat (msec): min=  135, max=23569, avg=18337.16, stdev=5081.48
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   14, max=14309, per=71.43%, avg=8104.29, stdev=4615.86
  write: io=90,780KiB, bw=5,158KiB/s, runt= 18021msec
    slat (msec): min=    0, max=   10, avg= 1.61, stdev= 1.72
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=118057, per=370.76%, avg=59028.50, stdev=83478.91
  cpu          : usr=4.40%, sys=1.07%, ctx=1035
  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%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=11,346KiB/s, minb=3,782KiB/s, maxb=3,801KiB/s, mint=27581msec, maxt=27723msec
  WRITE: io=274MiB, aggrb=15,921KiB/s, minb=5,149KiB/s, maxb=5,631KiB/s, mint=27581msec, maxt=27723msec

Disk stats (read/write):
  sda: ios=3407/2561, merge=1437/67349, ticks=106056/2264416, in_queue=2372920, util=99.38%
3.68user 1.01system 0:28.01elapsed 16%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2435minor)pagefaults 0swaps