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: [mFm] [7.5% done] [  4929/ 20618 kb/s] [eta 00m:37s]
Threads: 3: [FFF] [100.0% done] [   987/110787 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] [  3584/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [68.2% done] [ 22371/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [76.2% done] [ 31041/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [81.0% done] [ 26583/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [90.0% done] [ 32881/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 35726/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 38054/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 32906/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 30110/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [100.0% done] [ 34056/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=13134
  read : io=100MiB, bw=4,527KiB/s, runt= 23160msec
    slat (msec): min=   71, max=19953, avg=15147.91, stdev=4390.75
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    7, max=16046, per=63.34%, avg=8603.21, stdev=4918.69
  write: io=94,276KiB, bw=7,104KiB/s, runt= 13588msec
    slat (msec): min=    0, max=  137, avg= 2.56, stdev= 9.83
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=26204, per=60.63%, avg=13102.00, stdev=18529.03
  cpu          : usr=5.08%, sys=1.52%, ctx=948
  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=13135
  read : io=100MiB, bw=4,613KiB/s, runt= 22727msec
    slat (msec): min=12850, max=21766, avg=17927.07, stdev=2800.06
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   18, max=26673, per=86.65%, avg=11769.31, stdev=7390.30
  write: io=100MiB, bw=7,719KiB/s, runt= 13584msec
    slat (msec): min=    0, max=   14, avg= 2.03, stdev= 2.17
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=111205, per=257.32%, avg=55602.50, stdev=78633.81
  cpu          : usr=5.79%, sys=1.80%, ctx=752
  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=13136
  read : io=100MiB, bw=4,559KiB/s, runt= 23000msec
    slat (msec): min=   61, max=19145, avg=13966.58, stdev=4254.04
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    1, max=19973, per=65.89%, avg=8948.53, stdev=5963.48
  write: io=90,056KiB, bw=6,786KiB/s, runt= 13588msec
    slat (msec): min=    0, max=  138, avg= 2.13, stdev= 9.58
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=84310, per=195.09%, avg=42155.00, stdev=59616.17
  cpu          : usr=5.11%, sys=1.72%, ctx=1006
  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%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=13,582KiB/s, minb=4,527KiB/s, maxb=4,613KiB/s, mint=22727msec, maxt=23160msec
  WRITE: io=280MiB, aggrb=21,608KiB/s, minb=6,786KiB/s, maxb=7,719KiB/s, mint=22727msec, maxt=23160msec

Disk stats (read/write):
  sda: ios=3243/1978, merge=1178/69639, ticks=82660/1717528, in_queue=1800304, util=98.71%
3.71user 1.18system 0:23.41elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2415minor)pagefaults 0swaps