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] [5.4% done] [    64/     0 kb/s] [eta 00m:53s]
Threads: 3: [mFF] [6.7% done] [    12/     0 kb/s] [eta 00m:56s]
Threads: 3: [mFF] [8.3% done] [     0/     0 kb/s] [eta 00m:55s]
Threads: 3: [mFF] [10.0% done] [   160/     0 kb/s] [eta 00m:54s]
Threads: 3: [mFF] [11.7% done] [   124/     0 kb/s] [eta 00m:53s]
Threads: 3: [mFF] [13.3% done] [    16/     0 kb/s] [eta 00m:52s]
Threads: 3: [mFF] [15.0% done] [   160/    68 kb/s] [eta 00m:51s]
Threads: 3: [mVF] [16.7% done] [   532/   792 kb/s] [eta 00m:50s]
Threads: 3: [mVV] [18.3% done] [ 17516/     0 kb/s] [eta 00m:49s]
Threads: 3: [mVV] [20.0% done] [ 29299/     0 kb/s] [eta 00m:48s]
Threads: 3: [mVV] [21.7% done] [ 37301/  1003 kb/s] [eta 00m:47s]
Threads: 3: [mVV] [23.3% done] [ 29240/     0 kb/s] [eta 00m:46s]
Threads: 3: [mVV] [25.0% done] [ 29691/     0 kb/s] [eta 00m:45s]
Threads: 3: [mVV] [26.7% done] [ 35059/     0 kb/s] [eta 00m:44s]
Threads: 1: [m__] [28.3% done] [ 26843/     4 kb/s] [eta 00m:43s]
Threads: 1: [m__] [30.0% done] [ 13413/     0 kb/s] [eta 00m:42s]
Threads: 1: [F__] [100.0% done] [   708/ 73853 kb/s] [eta 00m:00s]
Threads: 1: [F__] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [F__] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [81.5% done] [ 19151/     0 kb/s] [eta 00m:05s]
Threads: 1: [V__] [100.0% done] [ 32816/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=17950
  read : io=100MiB, bw=4,320KiB/s, runt= 24267msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 6957, avg=78.10, stdev=424.61
    bw (KiB/s) : min=   12, max=33595, per=49.01%, avg=6352.97, stdev=10835.48
  write: io=74,844KiB, bw=3,548KiB/s, runt= 21596msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 6807, avg=24.99, stdev=300.05
    bw (KiB/s) : min=    0, max=130908, per=169.82%, avg=21945.67, stdev=53380.49
  cpu          : usr=2.44%, sys=1.15%, ctx=8111
  IO depths    : 1=0.8%, 2=50.0%, 4=29.3%, 8=19.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=46.2%, 4=2.5%, 10=14.2%, 20=23.2%, 50=5.0%, 100=5.1%
     lat (msec): 250=1.3%, 500=0.7%, 750=0.2%, 1000=0.1%, >=2000=0.5%
fio: (groupid=0): err= 0: pid=17951
  read : io=100MiB, bw=6,340KiB/s, runt= 16536msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  523, avg=33.02, stdev=56.49
    bw (KiB/s) : min=    6, max=21741, per=101.30%, avg=13129.93, stdev=8184.78
  write: io=98MiB, bw=10,071KiB/s, runt= 10216msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  190, avg= 0.63, stdev= 7.48
    bw (KiB/s) : min=    0, max=56184, per=217.38%, avg=28092.00, stdev=39728.09
  cpu          : usr=4.60%, sys=2.44%, ctx=6072
  IO depths    : 1=0.9%, 2=54.9%, 4=31.7%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.5%, 4=1.1%, 10=17.2%, 20=19.2%, 50=5.2%, 100=0.5%
     lat (msec): 250=6.8%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=17952
  read : io=100MiB, bw=6,059KiB/s, runt= 17306msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  733, avg=38.00, stdev=73.99
    bw (KiB/s) : min=    5, max=20799, per=92.90%, avg=12041.40, stdev=7924.61
  write: io=97,232KiB, bw=9,493KiB/s, runt= 10488msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  274, avg= 0.88, stdev=11.11
    bw (KiB/s) : min=    0, max=122257, per=473.02%, avg=61128.50, stdev=86448.75
  cpu          : usr=4.62%, sys=2.52%, ctx=6362
  IO depths    : 1=0.9%, 2=53.5%, 4=31.7%, 8=13.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.6%, 4=1.6%, 10=15.4%, 20=21.5%, 50=3.8%, 100=0.6%
     lat (msec): 250=5.8%, 500=1.4%, 750=0.1%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,962KiB/s, minb=4,320KiB/s, maxb=6,340KiB/s, mint=16536msec, maxt=24267msec
  WRITE: io=266MiB, aggrb=12,923KiB/s, minb=3,548KiB/s, maxb=10,071KiB/s, mint=16536msec, maxt=24267msec

Disk stats (read/write):
  sda: ios=3441/2099, merge=1121/65962, ticks=88600/1482148, in_queue=1570960, util=96.11%
2.18user 1.17system 0:24.67elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2468minor)pagefaults 0swaps