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: [mFF] [9.7% done] [  1921/     0 kb/s] [eta 00m:28s]
Threads: 3: [mFF] [50.0% done] [  1165/ 56288 kb/s] [eta 00m:04s]
Threads: 3: [FFF] [100.0% done] [     0/ 28782 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] [68.4% done] [     0/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [70.0% done] [ 19692/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [75.0% done] [ 28455/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [80.0% done] [ 29684/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [85.0% done] [ 29428/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [94.7% done] [ 37998/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 36257/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 33000/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 28616/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [100.0% done] [ 35540/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=2019
  read : io=100MiB, bw=4,599KiB/s, runt= 22798msec
    slat (msec): min=   67, max=18361, avg=13726.95, stdev=4449.63
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=18117, per=57.87%, avg=7984.35, stdev=5211.65
  write: io=86,400KiB, bw=6,647KiB/s, runt= 13309msec
    slat (msec): min=    0, max=  180, avg= 2.60, stdev=13.10
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=116670, per=265.22%, avg=58335.00, stdev=82498.15
  cpu          : usr=5.40%, sys=1.40%, ctx=992
  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=2020
  read : io=100MiB, bw=4,686KiB/s, runt= 22373msec
    slat (msec): min=  102, max=20874, avg=16506.06, stdev=3470.02
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    8, max=32018, per=78.97%, avg=10895.81, stdev=8826.81
  write: io=99,844KiB, bw=7,671KiB/s, runt= 13328msec
    slat (msec): min=    0, max=  107, avg= 2.26, stdev= 3.76
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=79219, per=152.67%, avg=33579.00, stdev=40963.56
  cpu          : usr=5.79%, sys=1.64%, ctx=815
  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=2021
  read : io=100MiB, bw=4,626KiB/s, runt= 22667msec
    slat (msec): min=   12, max=20991, avg=16572.38, stdev=3278.99
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   18, max=22319, per=68.91%, avg=9507.78, stdev=7224.31
  write: io=98MiB, bw=7,709KiB/s, runt= 13287msec
    slat (msec): min=    0, max=   24, avg= 2.29, stdev= 3.03
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=109766, per=226.62%, avg=49844.67, stdev=55572.46
  cpu          : usr=6.11%, sys=1.69%, ctx=836
  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=13,798KiB/s, minb=4,599KiB/s, maxb=4,686KiB/s, mint=22373msec, maxt=22798msec
  WRITE: io=280MiB, aggrb=21,995KiB/s, minb=6,647KiB/s, maxb=7,709KiB/s, mint=22373msec, maxt=22798msec

Disk stats (read/write):
  sda: ios=3179/1826, merge=1402/69530, ticks=76556/1652392, in_queue=1735656, util=98.15%
3.95user 1.09system 0:23.16elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2414minor)pagefaults 0swaps