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: [FmF] [25.0% done] [  1596/ 41172 kb/s] [eta 00m:09s]
Threads: 3: [FmF] [66.7% done] [   864/ 53027 kb/s] [eta 00m:02s]
Threads: 3: [FmF] [62.5% done] [   520/  4256 kb/s] [eta 00m:03s]
Threads: 3: [FFF] [100.0% done] [  1192/  6260 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: [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] [ 11436/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [75.0% done] [ 29620/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [79.2% done] [ 31324/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [83.3% done] [ 28360/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [95.5% done] [ 38489/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 36296/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 32924/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 37928/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 33348/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=15916
  read : io=100MiB, bw=4,069KiB/s, runt= 25765msec
    slat (msec): min=15551, max=24617, avg=21065.58, stdev=2238.25
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    3, max=22409, per=89.32%, avg=10876.60, stdev=6029.95
  write: io=100MiB, bw=6,425KiB/s, runt= 16320msec
    slat (msec): min=    0, max=   13, avg= 2.46, stdev= 2.17
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=116486, per=335.72%, avg=61658.33, stdev=58542.64
  cpu          : usr=5.42%, sys=1.54%, ctx=797
  IO depths    : 1=12.6%, 2=25.1%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15917
  read : io=100MiB, bw=4,105KiB/s, runt= 25542msec
    slat (msec): min=   23, max=20183, avg=14624.33, stdev=4738.27
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=17174, per=61.57%, avg=7497.18, stdev=5470.13
  write: io=93,932KiB, bw=5,880KiB/s, runt= 16358msec
    slat (msec): min=    0, max=  290, avg= 3.38, stdev=16.53
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=74750, per=126.74%, avg=23277.00, stdev=33908.53
  cpu          : usr=5.28%, sys=1.52%, ctx=1033
  IO depths    : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15918
  read : io=100MiB, bw=4,059KiB/s, runt= 25832msec
    slat (msec): min=   43, max=23083, avg=18627.84, stdev=4068.09
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   13, max=19417, per=67.09%, avg=8169.15, stdev=6012.45
  write: io=97,060KiB, bw=6,078KiB/s, runt= 16350msec
    slat (msec): min=    0, max=   47, avg= 1.79, stdev= 2.69
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=105801, per=192.39%, avg=35334.00, stdev=61026.29
  cpu          : usr=4.78%, sys=1.47%, ctx=1049
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,177KiB/s, minb=4,059KiB/s, maxb=4,105KiB/s, mint=25542msec, maxt=25832msec
  WRITE: io=287MiB, aggrb=18,366KiB/s, minb=5,880KiB/s, maxb=6,425KiB/s, mint=25542msec, maxt=25832msec

Disk stats (read/write):
  sda: ios=3129/2459, merge=1232/70753, ticks=91300/2145572, in_queue=2237812, util=97.66%
4.04user 1.21system 0:26.26elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2425minor)pagefaults 0swaps