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: [FFF] [100.0% done] [  1016/ 64623 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: [FFV] [71.4% done] [  1652/     0 kb/s] [eta 00m:04s]
Threads: 3: [FFV] [84.6% done] [ 16968/     0 kb/s] [eta 00m:02s]
Threads: 3: [FFV] [85.7% done] [  9296/     0 kb/s] [eta 00m:02s]
Threads: 3: [FFV] [92.9% done] [ 10712/     0 kb/s] [eta 00m:01s]
Threads: 3: [FFV] [100.0% done] [ 14016/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFV] [100.0% done] [ 12160/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [66.7% done] [ 13016/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [68.0% done] [ 26692/     0 kb/s] [eta 00m:08s]
Threads: 2: [VV_] [75.0% done] [ 30032/     0 kb/s] [eta 00m:06s]
Threads: 2: [VV_] [90.5% done] [ 30188/     0 kb/s] [eta 00m:02s]
Threads: 2: [VV_] [100.0% done] [ 37204/     0 kb/s] [eta 00m:00s]
Threads: 2: [VV_] [100.0% done] [ 36172/     0 kb/s] [eta 00m:00s]
Threads: 2: [VV_] [100.0% done] [ 27816/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=10164
  read : io=100MiB, bw=4,558KiB/s, runt= 23002msec
    slat (msec): min=   31, max=20381, avg=16579.66, stdev=4542.06
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    3, max=29874, per=82.54%, avg=11287.80, stdev=8981.99
  write: io=95,552KiB, bw=6,062KiB/s, runt= 16140msec
    slat (msec): min=    0, max=  108, avg= 2.01, stdev= 4.30
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=94118, per=171.79%, avg=31435.00, stdev=54285.15
  cpu          : usr=5.56%, sys=1.51%, ctx=957
  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=10165
  read : io=100MiB, bw=4,620KiB/s, runt= 22695msec
    slat (msec): min=   83, max=20617, avg=17320.31, stdev=3754.87
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   13, max=23095, per=95.00%, avg=12991.86, stdev=7031.29
  write: io=96,088KiB, bw=6,095KiB/s, runt= 16141msec
    slat (msec): min=    0, max=   13, avg= 1.86, stdev= 1.98
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=112047, per=306.17%, avg=56023.50, stdev=79229.19
  cpu          : usr=5.02%, sys=1.78%, ctx=886
  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=10166
  read : io=100MiB, bw=5,752KiB/s, runt= 18229msec
    slat (msec): min=  109, max=16251, avg=11846.91, stdev=3207.75
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   23, max=21308, per=73.76%, avg=10086.28, stdev=5379.06
  write: io=96,800KiB, bw=10,495KiB/s, runt=  9444msec
    slat (msec): min=    0, max=  156, avg= 2.23, stdev= 7.12
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=88419, per=187.08%, avg=34232.67, stdev=47466.74
  cpu          : usr=6.98%, sys=1.95%, ctx=891
  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=13,675KiB/s, minb=4,558KiB/s, maxb=5,752KiB/s, mint=18229msec, maxt=23002msec
  WRITE: io=282MiB, aggrb=18,298KiB/s, minb=6,062KiB/s, maxb=10,495KiB/s, mint=18229msec, maxt=23002msec

Disk stats (read/write):
  sda: ios=3270/1659, merge=1256/70273, ticks=67752/1851940, in_queue=2013132, util=99.39%
3.72user 1.14system 0:23.29elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2411minor)pagefaults 0swaps