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: [mmF] [5.0% done] [  2598/     0 kb/s] [eta 00m:57s]
Threads: 3: [mmF] [6.7% done] [  2289/     0 kb/s] [eta 00m:56s]
Threads: 3: [mmF] [8.3% done] [  1409/   768 kb/s] [eta 00m:55s]
Threads: 3: [mmF] [35.3% done] [  1672/ 69112 kb/s] [eta 00m:11s]
Threads: 3: [mmF] [53.8% done] [  1392/ 46192 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [    20/ 24977 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] [  2468/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [69.6% done] [ 26016/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [68.0% done] [ 29825/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [75.0% done] [ 33524/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [79.2% done] [ 33096/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [87.0% done] [ 34404/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [95.5% done] [ 32720/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 26418/     0 kb/s] [eta 00m:00s]
Threads: 2: [VV_] [100.0% done] [ 36227/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=4124
  read : io=100MiB, bw=4,292KiB/s, runt= 24420msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 1030, avg=66.62, stdev=153.32
    bw (KiB/s) : min=    4, max=25116, per=45.18%, avg=5818.70, stdev=6639.90
  write: io=92,060KiB, bw=5,961KiB/s, runt= 15812msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  850, avg= 4.33, stdev=45.38
    bw (KiB/s) : min=    0, max=138625, per=190.52%, avg=35189.00, stdev=68959.33
  cpu          : usr=2.90%, sys=1.43%, ctx=5608
  IO depths    : 1=2.0%, 2=57.7%, 4=28.5%, 8=11.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=51.4%, 4=2.4%, 10=16.9%, 20=16.0%, 50=3.5%, 100=0.5%
     lat (msec): 250=4.1%, 500=2.8%, 750=1.6%, 1000=0.6%, >=2000=0.1%
fio: (groupid=0): err= 0: pid=4125
  read : io=100MiB, bw=4,385KiB/s, runt= 23909msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  879, avg=64.59, stdev=142.12
    bw (KiB/s) : min=    2, max=20254, per=49.98%, avg=6436.88, stdev=6233.65
  write: io=93,444KiB, bw=6,051KiB/s, runt= 15812msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  700, avg= 3.28, stdev=37.00
    bw (KiB/s) : min=    0, max= 8788, per=17.22%, avg=3181.33, stdev=4870.21
  cpu          : usr=2.93%, sys=1.57%, ctx=5570
  IO depths    : 1=1.7%, 2=56.2%, 4=29.4%, 8=12.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=50.0%, 4=1.1%, 10=16.9%, 20=17.9%, 50=3.3%, 100=1.0%
     lat (msec): 250=6.0%, 500=1.5%, 750=1.7%, 1000=0.4%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=4126
  read : io=100MiB, bw=4,630KiB/s, runt= 22646msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  683, avg=43.00, stdev=81.89
    bw (KiB/s) : min=    2, max=24350, per=76.45%, avg=9846.78, stdev=7781.15
  write: io=99,712KiB, bw=6,936KiB/s, runt= 14720msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  227, avg= 0.72, stdev= 8.96
    bw (KiB/s) : min=    0, max=50273, per=176.66%, avg=32629.67, stdev=28289.33
  cpu          : usr=3.36%, sys=1.66%, ctx=5350
  IO depths    : 1=1.8%, 2=55.4%, 4=30.7%, 8=12.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=50.1%, 4=0.8%, 10=13.9%, 20=19.3%, 50=7.7%, 100=0.7%
     lat (msec): 250=5.8%, 500=1.2%, 750=0.3%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,880KiB/s, minb=4,292KiB/s, maxb=4,630KiB/s, mint=22646msec, maxt=24420msec
  WRITE: io=279MiB, aggrb=18,470KiB/s, minb=5,961KiB/s, maxb=6,936KiB/s, mint=22646msec, maxt=24420msec

Disk stats (read/write):
  sda: ios=3287/1819, merge=1470/69500, ticks=100744/1758300, in_queue=1859044, util=99.10%
2.22user 1.15system 0:24.85elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2470minor)pagefaults 0swaps