fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmm] [13.6% done] [ 19912/  2156 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [14.8% done] [ 14580/  5612 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [19.2% done] [ 15976/  3156 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [21.4% done] [  7364/  9600 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [26.9% done] [ 11364/  5844 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [28.6% done] [  4804/  9788 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [29.0% done] [  4524/ 11916 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [31.2% done] [ 11584/  4532 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [33.3% done] [ 12336/  3964 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [34.3% done] [  7612/  6516 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [37.1% done] [  7828/  6472 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [37.8% done] [  3524/  8580 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [39.5% done] [  8724/  2344 kb/s] [eta 00m:23s]
Threads: 3: [mVm] [43.2% done] [  9120/  5516 kb/s] [eta 00m:21s]
Threads: 3: [mVm] [43.6% done] [ 16988/   692 kb/s] [eta 00m:22s]
Threads: 3: [mVm] [45.0% done] [ 15008/   368 kb/s] [eta 00m:22s]
Threads: 3: [mVm] [46.3% done] [ 13036/  1752 kb/s] [eta 00m:22s]
Threads: 2: [m_V] [50.0% done] [  9736/  4624 kb/s] [eta 00m:20s]
Threads: 2: [m_V] [51.2% done] [ 15116/   964 kb/s] [eta 00m:20s]
Threads: 1: [m_E] [53.7% done] [ 15348/  1268 kb/s] [eta 00m:19s]
Threads: 1: [m__] [62.2% done] [   668/ 12260 kb/s] [eta 00m:14s]
Threads: 1: [V__] [68.6% done] [  5132/  6108 kb/s] [eta 00m:11s]
Threads: 1: [V__] [83.3% done] [ 20500/     0 kb/s] [eta 00m:05s]
Threads: 1: [V__] [96.3% done] [ 21156/     0 kb/s] [eta 00m:01s]
fio: (groupid=0): err= 0: pid=5047
  read : io=100MiB, bw=3,911KiB/s, runt= 26807msec
    slat (msec): min=    0, max= 2969, avg=809.70, stdev=868.10
    clat (msec): min=    0, max= 1145, avg=84.02, stdev=164.98
    bw (KiB/s) : min=  166, max=22159, per=37.93%, avg=4451.29, stdev=6134.40
  write: io=49,340KiB, bw=2,079KiB/s, runt= 24296msec
    slat (msec): min=    0, max=    4, avg= 0.04, stdev= 0.31
    clat (msec): min=    0, max= 1179, avg=78.58, stdev=190.87
    bw (KiB/s) : min=    0, max=12835, per=62.38%, avg=3256.42, stdev=3819.86
  cpu          : usr=3.51%, sys=0.28%, ctx=2223
  IO depths    : 1=0.2%, 2=0.4%, 4=4.3%, 8=95.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=16.4%, 4=2.6%, 10=14.3%, 20=22.8%, 50=17.5%, 100=8.1%
     lat (msec): 250=8.5%, 500=4.9%, 750=2.1%, 1000=2.6%, >=2000=0.3%
fio: (groupid=0): err= 0: pid=5048
  read : io=100MiB, bw=5,279KiB/s, runt= 19861msec
    slat (msec): min=    0, max= 4623, avg=1021.82, stdev=1419.57
    clat (msec): min=    0, max=  875, avg=64.11, stdev=92.52
    bw (KiB/s) : min=   33, max=16351, per=48.29%, avg=5666.03, stdev=4333.60
  write: io=45,068KiB, bw=3,022KiB/s, runt= 15270msec
    slat (msec): min=    0, max=    5, avg= 0.05, stdev= 0.41
    clat (msec): min=    0, max=  817, avg=70.88, stdev=128.51
    bw (KiB/s) : min=    0, max=11507, per=78.11%, avg=4077.40, stdev=3588.24
  cpu          : usr=4.71%, sys=0.22%, ctx=2105
  IO depths    : 1=0.2%, 2=0.4%, 4=3.6%, 8=95.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=10.4%, 4=1.7%, 10=9.9%, 20=17.4%, 50=24.4%, 100=16.4%
     lat (msec): 250=14.5%, 500=3.8%, 750=0.9%, 1000=0.5%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5049
  read : io=100MiB, bw=4,713KiB/s, runt= 22245msec
    slat (msec): min=    0, max= 2525, avg=498.26, stdev=777.80
    clat (msec): min=    0, max=  836, avg=78.94, stdev=109.62
    bw (KiB/s) : min=   34, max=15646, per=42.54%, avg=4991.86, stdev=4014.00
  write: io=29,460KiB, bw=1,518KiB/s, runt= 19860msec
    slat (msec): min=    0, max=  540, avg= 1.02, stdev=23.17
    clat (msec): min=    0, max=  940, avg=83.72, stdev=149.57
    bw (KiB/s) : min=    0, max= 7332, per=46.09%, avg=2405.76, stdev=2542.64
  cpu          : usr=3.54%, sys=0.29%, ctx=2011
  IO depths    : 1=0.2%, 2=0.4%, 4=2.7%, 8=96.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=8.3%, 4=1.4%, 10=9.6%, 20=18.4%, 50=22.7%, 100=14.6%
     lat (msec): 250=17.1%, 500=5.9%, 750=1.3%, 1000=0.5%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=11,734KiB/s, minb=3,911KiB/s, maxb=5,279KiB/s, mint=19861msec, maxt=26807msec
  WRITE: io=121MiB, aggrb=5,220KiB/s, minb=1,518KiB/s, maxb=3,022KiB/s, mint=19861msec, maxt=26807msec

Disk stats (read/write):
  sda: ios=5389/2480, merge=1004/217, ticks=404756/181084, in_queue=585836, util=98.27%
2.72user 0.27system 0:27.46elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2399minor)pagefaults 0swaps