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] [42.9% done] [  8172/     0 kb/s] [eta 00m:04s]
Threads: 3: [Fmm] [44.4% done] [  9476/     0 kb/s] [eta 00m:05s]
Threads: 3: [Fmm] [45.5% done] [  5408/ 27532 kb/s] [eta 00m:06s]
Threads: 3: [FFm] [46.2% done] [  4196/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  1768/ 30100 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] [68.0% done] [     0/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [69.2% done] [ 15112/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [70.4% done] [ 25592/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [80.0% done] [ 27624/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [87.5% done] [ 28860/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [91.7% done] [ 35044/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 35152/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 33740/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 24536/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [100.0% done] [ 30580/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=15924
  read : io=100MiB, bw=3,962KiB/s, runt= 26462msec
    slat (msec): min=  272, max=24903, avg=20778.22, stdev=3011.46
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    5, max=19609, per=88.72%, avg=10475.63, stdev=6068.12
  write: io=98MiB, bw=5,989KiB/s, runt= 17134msec
    slat (msec): min=    0, max=   20, avg= 1.93, stdev= 2.17
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=104739, per=336.80%, avg=52369.50, stdev=74061.66
  cpu          : usr=4.82%, sys=1.54%, ctx=792
  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=15925
  read : io=100MiB, bw=3,997KiB/s, runt= 26230msec
    slat (msec): min=    0, max=20780, avg=12718.08, stdev=7415.20
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    6, max=19032, per=61.75%, avg=7290.42, stdev=5331.75
  write: io=82,056KiB, bw=4,892KiB/s, runt= 17174msec
    slat (msec): min=    0, max=  144, avg= 3.59, stdev=14.22
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=89702, per=192.30%, avg=29901.00, stdev=51789.19
  cpu          : usr=4.41%, sys=1.34%, ctx=1385
  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=15926
  read : io=100MiB, bw=3,935KiB/s, runt= 26641msec
    slat (msec): min=   45, max=19651, avg=12557.23, stdev=6580.66
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    5, max=18364, per=57.60%, avg=6800.65, stdev=5154.67
  write: io=78,968KiB, bw=4,700KiB/s, runt= 17204msec
    slat (msec): min=    0, max=   14, avg= 2.05, stdev= 2.40
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max= 8129, per=26.14%, avg=4064.50, stdev=5748.07
  cpu          : usr=4.32%, sys=1.17%, ctx=1282
  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=11,807KiB/s, minb=3,935KiB/s, maxb=3,997KiB/s, mint=26230msec, maxt=26641msec
  WRITE: io=255MiB, aggrb=15,549KiB/s, minb=4,700KiB/s, maxb=5,989KiB/s, mint=26230msec, maxt=26641msec

Disk stats (read/write):
  sda: ios=3961/2457, merge=942/62659, ticks=70620/2139660, in_queue=2224908, util=98.74%
3.64user 1.08system 0:26.95elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2414minor)pagefaults 0swaps