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] [5.0% done] [  7476/ 38908 kb/s] [eta 00m:57s]
Threads: 3: [mFm] [6.7% done] [  3515/ 17809 kb/s] [eta 00m:56s]
Threads: 3: [mFm] [17.9% done] [  1624/ 16080 kb/s] [eta 00m:23s]
Threads: 3: [mFm] [30.0% done] [  1852/ 17380 kb/s] [eta 00m:14s]
Threads: 3: [mFm] [30.4% done] [  2068/     0 kb/s] [eta 00m:16s]
Threads: 3: [mFm] [32.0% done] [  2068/ 19812 kb/s] [eta 00m:17s]
Threads: 3: [mFF] [56.2% done] [  1928/ 54624 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [   760/ 16924 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] [68.0% done] [    84/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [69.2% done] [ 17612/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [73.1% done] [ 28572/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [80.0% done] [ 32864/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [84.0% done] [ 25916/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [91.7% done] [ 36008/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 35632/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 29452/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 36876/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 30872/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=6993
  read : io=100MiB, bw=3,909KiB/s, runt= 26822msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 1182, avg=84.55, stdev=159.39
    bw (KiB/s) : min=   11, max=20471, per=42.59%, avg=4994.82, stdev=5606.39
  write: io=90,716KiB, bw=5,339KiB/s, runt= 17396msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  822, avg= 4.95, stdev=38.67
    bw (KiB/s) : min=    0, max=24757, per=55.54%, avg=9086.25, stdev=10950.60
  cpu          : usr=2.85%, sys=1.54%, ctx=6680
  IO depths    : 1=1.9%, 2=51.2%, 4=30.7%, 8=16.2%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=43.8%, 4=0.7%, 10=21.6%, 20=15.4%, 50=5.3%, 100=0.4%
     lat (msec): 250=5.6%, 500=5.0%, 750=1.7%, 1000=0.3%, >=2000=0.1%
fio: (groupid=0): err= 0: pid=6994
  read : io=100MiB, bw=3,951KiB/s, runt= 26537msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  695, avg=53.30, stdev=110.69
    bw (KiB/s) : min=    5, max=20520, per=70.39%, avg=8255.45, stdev=5828.66
  write: io=99,136KiB, bw=5,836KiB/s, runt= 17392msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  143, avg= 0.62, stdev= 5.58
    bw (KiB/s) : min=    0, max=21001, per=64.18%, avg=10500.50, stdev=14849.95
  cpu          : usr=3.24%, sys=1.45%, ctx=6631
  IO depths    : 1=1.5%, 2=55.8%, 4=31.0%, 8=11.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.1%, 4=0.9%, 10=21.8%, 20=15.1%, 50=4.5%, 100=0.2%
     lat (msec): 250=5.6%, 500=1.9%, 750=0.8%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=6995
  read : io=100MiB, bw=3,919KiB/s, runt= 26753msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  854, avg=78.18, stdev=154.48
    bw (KiB/s) : min=   10, max=18038, per=46.46%, avg=5448.48, stdev=5100.53
  write: io=88,084KiB, bw=5,188KiB/s, runt= 17384msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  622, avg= 4.22, stdev=39.35
    bw (KiB/s) : min=    0, max=10237, per=31.29%, avg=5118.50, stdev=7238.65
  cpu          : usr=2.48%, sys=1.39%, ctx=6966
  IO depths    : 1=1.3%, 2=53.2%, 4=30.4%, 8=15.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=48.0%, 4=0.2%, 10=19.2%, 20=16.3%, 50=4.3%, 100=0.6%
     lat (msec): 250=6.3%, 500=2.5%, 750=2.1%, 1000=0.4%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=11,728KiB/s, minb=3,909KiB/s, maxb=3,951KiB/s, mint=26537msec, maxt=26822msec
  WRITE: io=271MiB, aggrb=16,360KiB/s, minb=5,188KiB/s, maxb=5,836KiB/s, mint=26537msec, maxt=26822msec

Disk stats (read/write):
  sda: ios=3463/2339, merge=1347/67086, ticks=119100/2021224, in_queue=2143636, util=99.06%
2.34user 1.22system 0:27.17elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2476minor)pagefaults 0swaps