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: [FFm] [50.0% done] [  1832/100432 kb/s] [eta 00m:03s]
Threads: 3: [FFm] [57.1% done] [   932/ 12664 kb/s] [eta 00m:03s]
Threads: 3: [FFF] [100.0% done] [     0/ 22696 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] [68.2% done] [     0/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [69.6% done] [ 17908/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [73.9% done] [ 29500/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [78.3% done] [ 27632/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [82.6% done] [ 27692/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [90.9% done] [ 37172/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 29708/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 37506/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 40097/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 32960/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=6369
  read : io=100MiB, bw=4,245KiB/s, runt= 24700msec
    slat (msec): min=   49, max=21835, avg=18093.20, stdev=3807.12
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=24310, per=70.91%, avg=9030.00, stdev=6575.94
  write: io=98,084KiB, bw=6,630KiB/s, runt= 15148msec
    slat (msec): min=    0, max=   54, avg= 1.99, stdev= 3.63
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=100625, per=172.28%, avg=33673.67, stdev=57981.89
  cpu          : usr=4.96%, sys=1.62%, ctx=941
  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=6370
  read : io=100MiB, bw=4,424KiB/s, runt= 23700msec
    slat (msec): min=  148, max=22214, avg=17839.45, stdev=3242.70
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    8, max=18563, per=86.40%, avg=11002.75, stdev=6130.27
  write: io=98MiB, bw=6,795KiB/s, runt= 15156msec
    slat (msec): min=    0, max=  153, avg= 2.09, stdev= 4.35
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=83404, per=179.82%, avg=35147.67, stdev=43219.61
  cpu          : usr=4.88%, sys=1.77%, ctx=868
  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=6371
  read : io=100MiB, bw=4,248KiB/s, runt= 24679msec
    slat (msec): min=   65, max=20495, avg=15883.06, stdev=4655.46
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    3, max=17495, per=64.83%, avg=8256.29, stdev=5186.54
  write: io=91,520KiB, bw=6,164KiB/s, runt= 15202msec
    slat (msec): min=    0, max=  480, avg= 2.07, stdev=12.23
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=59176, per=100.95%, avg=19731.00, stdev=34160.37
  cpu          : usr=5.04%, sys=1.13%, ctx=1054
  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=12,735KiB/s, minb=4,245KiB/s, maxb=4,424KiB/s, mint=23700msec, maxt=24700msec
  WRITE: io=283MiB, aggrb=19,546KiB/s, minb=6,164KiB/s, maxb=6,795KiB/s, mint=23700msec, maxt=24700msec

Disk stats (read/write):
  sda: ios=3165/2217, merge=1508/70141, ticks=99732/1908952, in_queue=2017948, util=98.65%
3.65user 1.11system 0:25.01elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2425minor)pagefaults 0swaps