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] [50.0% done] [  6642/ 94915 kb/s] [eta 00m:03s]
Threads: 3: [FFF] [100.0% done] [  1601/ 68197 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: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [68.2% done] [  6005/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [69.6% done] [ 23235/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [77.3% done] [ 30175/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [85.7% done] [ 33523/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [95.0% done] [ 30971/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 36408/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 33783/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 34795/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 30569/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=1990
  read : io=100MiB, bw=4,523KiB/s, runt= 23181msec
    slat (msec): min=   90, max=20908, avg=16465.81, stdev=3588.19
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=23759, per=70.73%, avg=9331.59, stdev=6891.63
  write: io=98,536KiB, bw=7,046KiB/s, runt= 14319msec
    slat (msec): min=    0, max=   94, avg= 2.27, stdev= 5.56
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=95658, per=161.10%, avg=31998.33, stdev=55131.15
  cpu          : usr=5.28%, sys=1.64%, ctx=827
  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=1991
  read : io=100MiB, bw=4,448KiB/s, runt= 23569msec
    slat (msec): min=   38, max=20387, avg=15639.93, stdev=4942.40
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   10, max=16066, per=61.14%, avg=8066.70, stdev=5017.50
  write: io=90,120KiB, bw=6,420KiB/s, runt= 14373msec
    slat (msec): min=    0, max=   42, avg= 1.85, stdev= 3.21
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=103967, per=176.00%, avg=34959.00, stdev=59764.41
  cpu          : usr=4.99%, sys=1.73%, ctx=985
  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=1992
  read : io=100MiB, bw=4,398KiB/s, runt= 23842msec
    slat (msec): min=   37, max=19970, avg=14799.46, stdev=5220.04
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   15, max=16729, per=58.75%, avg=7750.95, stdev=5301.51
  write: io=90,148KiB, bw=6,426KiB/s, runt= 14365msec
    slat (msec): min=    0, max=   11, avg= 1.76, stdev= 2.02
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=19206, per=48.35%, avg=9603.00, stdev=13580.69
  cpu          : usr=5.22%, sys=1.51%, ctx=1062
  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=13,194KiB/s, minb=4,398KiB/s, maxb=4,523KiB/s, mint=23181msec, maxt=23842msec
  WRITE: io=272MiB, aggrb=19,863KiB/s, minb=6,420KiB/s, maxb=7,046KiB/s, mint=23181msec, maxt=23842msec

Disk stats (read/write):
  sda: ios=3429/1974, merge=1418/67641, ticks=61880/1685376, in_queue=1749776, util=99.10%
3.68user 1.17system 0:24.09elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2419minor)pagefaults 0swaps