fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mFF] [42.9% done] [   448/ 13124 kb/s] [eta 00m:04s]
Threads: 3: [mFF] [40.0% done] [    36/     0 kb/s] [eta 00m:06s]
Threads: 3: [mFF] [41.7% done] [    44/     0 kb/s] [eta 00m:07s]
Threads: 3: [mFF] [40.0% done] [    52/     0 kb/s] [eta 00m:09s]
Threads: 3: [mFF] [41.2% done] [   108/     0 kb/s] [eta 00m:10s]
Threads: 3: [mFF] [40.0% done] [    12/     0 kb/s] [eta 00m:12s]
Threads: 3: [mFF] [40.9% done] [     0/     0 kb/s] [eta 00m:13s]
Threads: 3: [mFF] [40.0% done] [    16/     0 kb/s] [eta 00m:15s]
Threads: 3: [mFF] [40.7% done] [   828/   660 kb/s] [eta 00m:16s]
Threads: 3: [mVV] [41.4% done] [ 16300/     0 kb/s] [eta 00m:17s]
Threads: 3: [mVV] [41.9% done] [ 36479/     0 kb/s] [eta 00m:18s]
Threads: 3: [mVV] [41.2% done] [ 29408/     0 kb/s] [eta 00m:20s]
Threads: 3: [mVV] [41.7% done] [ 34108/     0 kb/s] [eta 00m:21s]
Threads: 3: [mVV] [42.1% done] [ 33420/   144 kb/s] [eta 00m:22s]
Threads: 3: [mVV] [42.5% done] [ 35348/     0 kb/s] [eta 00m:23s]
Threads: 1: [m__] [66.7% done] [ 21272/ 35700 kb/s] [eta 00m:09s]
Threads: 1: [F__] [100.0% done] [     0/  1368 kb/s] [eta 00m:00s]
Threads: 1: [V__] [69.0% done] [  1172/     0 kb/s] [eta 00m:09s]
Threads: 1: [V__] [91.3% done] [ 31536/     0 kb/s] [eta 00m:02s]
Threads: 1: [V__] [100.0% done] [ 40140/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=31074
  read : io=100MiB, bw=4,514KiB/s, runt= 23226msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 7284, avg=85.39, stdev=506.57
    bw (KiB/s) : min=    1, max=42090, per=46.40%, avg=6282.97, stdev=13638.09
  write: io=96,332KiB, bw=4,823KiB/s, runt= 20452msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 6331, avg=16.41, stdev=240.33
    bw (KiB/s) : min=    0, max= 5405, per=7.67%, avg=1149.00, stdev=2380.44
  cpu          : usr=3.36%, sys=1.55%, ctx=5180
  IO depths    : 1=1.5%, 2=55.9%, 4=30.6%, 8=12.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.1%, 4=0.8%, 10=23.0%, 20=15.9%, 50=7.8%, 100=0.8%
     lat (msec): 250=0.2%, 500=0.3%, 750=0.2%, 1000=0.3%, >=2000=0.8%
fio: (groupid=0): err= 0: pid=31075
  read : io=100MiB, bw=5,877KiB/s, runt= 17838msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  825, avg=34.83, stdev=78.16
    bw (KiB/s) : min=   23, max=20154, per=100.52%, avg=13612.92, stdev=6639.92
  write: io=99MiB, bw=9,165KiB/s, runt= 11332msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   50, avg= 0.50, stdev= 2.59
    bw (KiB/s) : min=    0, max=29952, per=99.97%, avg=14976.00, stdev=21179.26
  cpu          : usr=5.38%, sys=2.47%, ctx=4527
  IO depths    : 1=1.5%, 2=57.9%, 4=30.8%, 8=9.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=47.3%, 4=4.0%, 10=21.4%, 20=15.3%, 50=4.4%, 100=0.5%
     lat (msec): 250=6.2%, 500=0.4%, 750=0.2%, 1000=0.2%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=31076
  read : io=100MiB, bw=5,784KiB/s, runt= 18125msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  726, avg=37.77, stdev=75.49
    bw (KiB/s) : min=   18, max=21707, per=85.73%, avg=11610.14, stdev=8007.19
  write: io=99MiB, bw=9,172KiB/s, runt= 11324msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  159, avg= 0.95, stdev= 6.01
    bw (KiB/s) : min=    0, max=54014, per=203.85%, avg=30536.00, stdev=27690.06
  cpu          : usr=5.36%, sys=2.23%, ctx=4938
  IO depths    : 1=5.9%, 2=49.5%, 4=33.5%, 8=11.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=47.7%, 4=0.3%, 10=20.6%, 20=18.9%, 50=4.4%, 100=0.4%
     lat (msec): 250=6.2%, 500=1.2%, 750=0.2%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=13,542KiB/s, minb=4,514KiB/s, maxb=5,877KiB/s, mint=17838msec, maxt=23226msec
  WRITE: io=292MiB, aggrb=14,980KiB/s, minb=4,823KiB/s, maxb=9,172KiB/s, mint=17838msec, maxt=23226msec

Disk stats (read/write):
  sda: ios=3059/2207, merge=1327/72569, ticks=90404/1719108, in_queue=1810248, util=96.26%
2.76user 1.27system 0:23.62elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2465minor)pagefaults 0swaps