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: [mmF] [33.3% done] [   992/ 54602 kb/s] [eta 00m:06s]
Threads: 3: [FmF] [36.4% done] [  1555/ 26139 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [45.5% done] [  1035/ 13701 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [     0/ 35469 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] [70.0% done] [  8487/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [68.2% done] [ 32177/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [72.7% done] [ 33484/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [73.9% done] [ 29176/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [81.8% done] [ 34087/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [86.4% done] [ 34922/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [95.2% done] [ 31042/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 35044/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [100.0% done] [ 39187/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=14184
  read : io=100MiB, bw=4,562KiB/s, runt= 22982msec
    slat (msec): min=  166, max=19786, avg=17049.97, stdev=3707.79
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=37396, per=62.13%, avg=8503.75, stdev=9156.99
  write: io=95,504KiB, bw=7,208KiB/s, runt= 13567msec
    slat (msec): min=    0, max=   11, avg= 1.73, stdev= 1.85
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=55076, per=124.88%, avg=27538.00, stdev=38944.61
  cpu          : usr=5.26%, sys=1.50%, ctx=904
  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=14185
  read : io=100MiB, bw=4,748KiB/s, runt= 22084msec
    slat (msec): min=  182, max=16736, avg=11897.86, stdev=3530.72
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    1, max=18194, per=60.66%, avg=8302.20, stdev=6132.88
  write: io=94,348KiB, bw=7,126KiB/s, runt= 13556msec
    slat (msec): min=    0, max=  397, avg= 3.05, stdev=19.16
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=50588, per=76.78%, avg=16931.33, stdev=29147.71
  cpu          : usr=5.45%, sys=1.79%, ctx=985
  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=14186
  read : io=100MiB, bw=4,769KiB/s, runt= 21983msec
    slat (msec): min=13192, max=21043, avg=17322.87, stdev=2122.98
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    4, max=21225, per=89.48%, avg=12247.36, stdev=5808.57
  write: io=100MiB, bw=7,726KiB/s, runt= 13571msec
    slat (msec): min=    0, max=   19, avg= 1.89, stdev= 2.20
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=111310, per=252.39%, avg=55655.00, stdev=78708.06
  cpu          : usr=5.66%, sys=1.66%, ctx=892
  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=13,687KiB/s, minb=4,562KiB/s, maxb=4,769KiB/s, mint=21983msec, maxt=22982msec
  WRITE: io=285MiB, aggrb=22,051KiB/s, minb=7,126KiB/s, maxb=7,726KiB/s, mint=21983msec, maxt=22982msec

Disk stats (read/write):
  sda: ios=3090/1677, merge=1116/71228, ticks=96496/1746088, in_queue=1847628, util=97.75%
3.71user 1.12system 0:23.61elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2417minor)pagefaults 0swaps