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: [Fmm] [10.0% done] [  9560/ 12332 kb/s] [eta 00m:27s]
Threads: 3: [FmF] [44.4% done] [   316/ 87072 kb/s] [eta 00m:05s]
Threads: 3: [FFF] [100.0% done] [   464/ 38880 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] [66.7% done] [  8216/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [68.2% done] [ 17380/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [76.2% done] [ 32080/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [85.0% done] [ 35608/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [90.0% done] [ 25689/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [90.5% done] [ 31596/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 33824/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 36896/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VV] [100.0% done] [ 24664/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=13795
  read : io=100MiB, bw=4,813KiB/s, runt= 21784msec
    slat (msec): min=  152, max=19756, avg=15645.10, stdev=3232.37
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=20784, per=79.31%, avg=10692.76, stdev=5688.14
  write: io=96,668KiB, bw=7,395KiB/s, runt= 13384msec
    slat (msec): min=    0, max=   14, avg= 1.69, stdev= 1.84
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=115310, per=280.52%, avg=57655.00, stdev=81536.48
  cpu          : usr=5.69%, sys=1.63%, ctx=824
  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=13796
  read : io=100MiB, bw=4,513KiB/s, runt= 23231msec
    slat (msec): min=   70, max=18448, avg=13786.16, stdev=4971.07
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    6, max=31866, per=56.75%, avg=7651.77, stdev=7482.49
  write: io=91,856KiB, bw=6,827KiB/s, runt= 13776msec
    slat (msec): min=    0, max=   93, avg= 2.06, stdev= 4.57
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=92135, per=149.47%, avg=30721.00, stdev=53186.09
  cpu          : usr=4.82%, sys=1.72%, ctx=1033
  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%
fio: (groupid=0): err= 0: pid=13797
  read : io=100MiB, bw=4,494KiB/s, runt= 23330msec
    slat (msec): min=   81, max=19613, avg=14701.44, stdev=4564.65
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   13, max=15827, per=60.36%, avg=8138.67, stdev=4915.79
  write: io=87,980KiB, bw=6,547KiB/s, runt= 13760msec
    slat (msec): min=    0, max=   10, avg= 1.62, stdev= 1.76
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=115965, per=282.11%, avg=57982.50, stdev=81999.64
  cpu          : usr=5.01%, sys=1.59%, ctx=995
  IO depths    : 1=12.6%, 2=25.0%, 4=50.0%, 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=13,483KiB/s, minb=4,494KiB/s, maxb=4,813KiB/s, mint=21784msec, maxt=23330msec
  WRITE: io=270MiB, aggrb=20,553KiB/s, minb=6,547KiB/s, maxb=7,395KiB/s, mint=21784msec, maxt=23330msec

Disk stats (read/write):
  sda: ios=3465/1750, merge=1212/67371, ticks=88300/1648484, in_queue=1736780, util=99.40%
3.57user 1.14system 0:23.61elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2407minor)pagefaults 0swaps