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: [mmm] [37.5% done] [  6152/139392 kb/s] [eta 00m:05s]
Threads: 3: [FmF] [50.0% done] [  4696/ 56999 kb/s] [eta 00m:04s]
Threads: 3: [FmF] [50.0% done] [   848/     0 kb/s] [eta 00m:05s]
Threads: 3: [FmF] [50.0% done] [  1032/     0 kb/s] [eta 00m:06s]
Threads: 3: [FmF] [63.6% done] [   696/ 17028 kb/s] [eta 00m:04s]
Threads: 3: [FmF] [61.5% done] [   316/     0 kb/s] [eta 00m:05s]
Threads: 3: [FFF] [100.0% done] [   316/  9692 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] [69.6% done] [  1500/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [68.0% done] [ 20960/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [75.0% done] [ 29668/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [79.2% done] [ 25780/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [87.0% done] [ 32280/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [91.3% done] [ 33760/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 33136/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 30032/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 27808/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [100.0% done] [ 35384/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=17390
  read : io=100MiB, bw=4,079KiB/s, runt= 25701msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  839, avg=54.81, stdev=109.15
    bw (KiB/s) : min=    0, max=22142, per=65.52%, avg=8019.10, stdev=7100.46
  write: io=91,796KiB, bw=5,712KiB/s, runt= 16456msec
    slat (msec): min=    0, max=    4, avg= 0.00, stdev= 0.10
    clat (msec): min=    0, max=  286, avg= 1.31, stdev=13.51
    bw (KiB/s) : min=    0, max=108183, per=250.75%, avg=42290.67, stdev=57824.47
  cpu          : usr=3.47%, sys=1.63%, ctx=5526
  IO depths    : 1=1.7%, 2=55.2%, 4=30.8%, 8=12.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=47.6%, 4=2.1%, 10=22.2%, 20=13.1%, 50=4.2%, 100=1.5%
     lat (msec): 250=5.5%, 500=3.3%, 750=0.2%, 1000=0.2%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=17391
  read : io=100MiB, bw=4,139KiB/s, runt= 25330msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  813, avg=75.91, stdev=130.02
    bw (KiB/s) : min=    8, max=22689, per=46.01%, avg=5630.78, stdev=5744.18
  write: io=84,356KiB, bw=5,249KiB/s, runt= 16456msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  398, avg= 3.85, stdev=31.94
    bw (KiB/s) : min=    0, max=34548, per=70.99%, avg=11973.25, stdev=15397.28
  cpu          : usr=2.73%, sys=1.74%, ctx=5622
  IO depths    : 1=2.0%, 2=51.3%, 4=30.3%, 8=16.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=46.6%, 4=0.3%, 10=16.5%, 20=13.9%, 50=6.6%, 100=1.7%
     lat (msec): 250=8.9%, 500=4.2%, 750=1.1%, 1000=0.1%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=17392
  read : io=100MiB, bw=4,192KiB/s, runt= 25009msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  558, avg=53.98, stdev=85.94
    bw (KiB/s) : min=    8, max=24064, per=69.96%, avg=8562.36, stdev=6564.60
  write: io=94,896KiB, bw=6,126KiB/s, runt= 15860msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  150, avg= 1.23, stdev= 9.65
    bw (KiB/s) : min=    0, max=76447, per=198.40%, avg=33462.33, stdev=39102.97
  cpu          : usr=3.68%, sys=1.89%, ctx=5359
  IO depths    : 1=0.9%, 2=52.6%, 4=32.9%, 8=13.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=46.9%, 4=1.8%, 10=18.1%, 20=15.0%, 50=5.1%, 100=1.4%
     lat (msec): 250=9.3%, 500=2.1%, 750=0.2%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,239KiB/s, minb=4,079KiB/s, maxb=4,192KiB/s, mint=25009msec, maxt=25701msec
  WRITE: io=265MiB, aggrb=16,866KiB/s, minb=5,249KiB/s, maxb=6,126KiB/s, mint=25009msec, maxt=25701msec

Disk stats (read/write):
  sda: ios=3594/2402, merge=1551/65240, ticks=90028/1775028, in_queue=1868184, util=98.03%
2.55user 1.40system 0:26.03elapsed 15%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2475minor)pagefaults 0swaps