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: [FFm] [6.0% done] [   788/     0 kb/s] [eta 00m:47s]
Threads: 3: [FFm] [44.4% done] [   968/ 56157 kb/s] [eta 00m:05s]
Threads: 3: [FFm] [45.5% done] [   260/     0 kb/s] [eta 00m:06s]
Threads: 3: [FFm] [46.2% done] [  1063/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [46.7% done] [  1138/     0 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [47.1% done] [   545/     0 kb/s] [eta 00m:09s]
Threads: 3: [FFm] [52.9% done] [  1264/  6841 kb/s] [eta 00m:08s]
Threads: 3: [FFF] [100.0% done] [     0/ 23795 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] [69.6% done] [ 12320/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [68.0% done] [ 26388/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [75.0% done] [ 32876/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [82.6% done] [ 27100/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [90.9% done] [ 31768/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [95.5% done] [ 35557/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 30148/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 39947/     0 kb/s] [eta 00m:00s]
Threads: 2: [VEV] [100.0% done] [ 33856/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=5128
  read : io=100MiB, bw=4,173KiB/s, runt= 25123msec
    slat (msec): min=  101, max=23593, avg=20155.27, stdev=3170.29
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    6, max=17866, per=72.14%, avg=9032.44, stdev=6098.44
  write: io=98MiB, bw=6,678KiB/s, runt= 15444msec
    slat (msec): min=    0, max=  104, avg= 2.06, stdev= 4.77
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=94973, per=166.76%, avg=31928.33, stdev=54599.79
  cpu          : usr=4.95%, sys=1.40%, ctx=811
  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%
fio: (groupid=0): err= 0: pid=5129
  read : io=100MiB, bw=4,331KiB/s, runt= 24209msec
    slat (msec): min=  172, max=22644, avg=18094.53, stdev=3250.39
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    9, max=18954, per=84.52%, avg=10582.75, stdev=5431.05
  write: io=98MiB, bw=6,645KiB/s, runt= 15452msec
    slat (msec): min=    0, max=  177, avg= 2.07, stdev= 6.39
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=82110, per=155.92%, avg=29851.67, stdev=45409.88
  cpu          : usr=5.09%, sys=1.72%, ctx=905
  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=5130
  read : io=100MiB, bw=4,220KiB/s, runt= 24845msec
    slat (msec): min=   68, max=15432, avg=10638.55, stdev=4025.25
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   14, max=15816, per=48.45%, avg=6066.11, stdev=5180.24
  write: io=87,908KiB, bw=5,828KiB/s, runt= 15444msec
    slat (msec): min=    0, max=  387, avg= 2.10, stdev=14.05
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=66044, per=115.01%, avg=22019.33, stdev=38126.48
  cpu          : usr=5.04%, sys=1.27%, ctx=1167
  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%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,521KiB/s, minb=4,173KiB/s, maxb=4,331KiB/s, mint=24209msec, maxt=25123msec
  WRITE: io=282MiB, aggrb=19,146KiB/s, minb=5,828KiB/s, maxb=6,678KiB/s, mint=24209msec, maxt=25123msec

Disk stats (read/write):
  sda: ios=3191/2067, merge=1484/69898, ticks=91716/1847584, in_queue=1980020, util=98.88%
3.78user 1.11system 0:25.52elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2427minor)pagefaults 0swaps