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] [7.0% done] [  2170/     0 kb/s] [eta 00m:40s]
Threads: 3: [mFm] [8.3% done] [  2660/     0 kb/s] [eta 00m:44s]
Threads: 3: [mFm] [9.3% done] [  3168/     0 kb/s] [eta 00m:49s]
Threads: 3: [FFm] [42.9% done] [  2396/ 87460 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [43.8% done] [   964/     0 kb/s] [eta 00m:09s]
Threads: 3: [FFm] [44.4% done] [  1028/     0 kb/s] [eta 00m:10s]
Threads: 3: [FFF] [100.0% done] [   408/ 35046 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] [68.2% done] [  5068/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [69.6% done] [ 21412/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [77.3% done] [ 30856/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [81.8% done] [ 26408/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [86.4% done] [ 27668/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [95.2% done] [ 30280/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 30796/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 29592/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 29044/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 26460/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=5124
  read : io=100MiB, bw=4,230KiB/s, runt= 24788msec
    slat (msec): min=  125, max=18814, avg=13617.10, stdev=4426.16
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    9, max=14572, per=53.98%, avg=6772.76, stdev=3943.42
  write: io=87,460KiB, bw=6,133KiB/s, runt= 14601msec
    slat (msec): min=    0, max=    9, avg= 1.49, stdev= 1.68
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=117001, per=302.42%, avg=58500.50, stdev=82732.20
  cpu          : usr=4.66%, sys=1.53%, ctx=443
  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=5125
  read : io=100MiB, bw=4,182KiB/s, runt= 25072msec
    slat (msec): min=  137, max=23493, avg=18131.62, stdev=3862.29
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    2, max=12676, per=70.51%, avg=8845.82, stdev=3271.06
  write: io=98,580KiB, bw=6,915KiB/s, runt= 14597msec
    slat (msec): min=    0, max=   12, avg= 1.75, stdev= 1.92
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=115039, per=297.35%, avg=57519.50, stdev=81344.86
  cpu          : usr=5.14%, sys=1.40%, ctx=351
  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=5126
  read : io=100MiB, bw=4,185KiB/s, runt= 25050msec
    slat (msec): min=   97, max=16533, avg=11136.19, stdev=4330.79
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   10, max=16810, per=46.93%, avg=5888.07, stdev=4862.50
  write: io=90,012KiB, bw=6,307KiB/s, runt= 14613msec
    slat (msec): min=    0, max=  158, avg= 1.94, stdev= 5.97
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=86610, per=149.30%, avg=28880.00, stdev=49995.65
  cpu          : usr=4.69%, sys=1.55%, ctx=573
  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=12,546KiB/s, minb=4,182KiB/s, maxb=4,230KiB/s, mint=24788msec, maxt=25072msec
  WRITE: io=270MiB, aggrb=19,344KiB/s, minb=6,133KiB/s, maxb=6,915KiB/s, mint=24788msec, maxt=25072msec

Disk stats (read/write):
  sda: ios=1591/1817, merge=7298/67198, ticks=234204/1762640, in_queue=1996852, util=99.11%
3.68user 1.14system 0:25.40elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2424minor)pagefaults 0swaps