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: [FFF] [100.0% done] [   432/ 22053 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] [70.0% done] [ 17929/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [71.4% done] [ 27220/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [76.2% done] [ 27072/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [89.5% done] [ 35284/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [94.7% done] [ 32176/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 36068/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 38036/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 30277/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 34364/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=13586
  read : io=100MiB, bw=4,639KiB/s, runt= 22602msec
    slat (msec): min=   24, max=20694, avg=15882.84, stdev=3838.94
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    7, max=14529, per=62.84%, avg=8647.28, stdev=4842.02
  write: io=97,440KiB, bw=7,600KiB/s, runt= 13128msec
    slat (msec): min=    0, max=   30, avg= 2.42, stdev= 3.40
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=109952, per=214.95%, avg=48119.50, stdev=56395.01
  cpu          : usr=5.80%, sys=2.02%, ctx=814
  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=13587
  read : io=100MiB, bw=4,705KiB/s, runt= 22282msec
    slat (msec): min=   66, max=20262, avg=15625.64, stdev=4217.19
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   21, max=18356, per=67.88%, avg=9340.29, stdev=5403.83
  write: io=95,448KiB, bw=7,423KiB/s, runt= 13166msec
    slat (msec): min=    0, max=   16, avg= 1.97, stdev= 2.32
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=46474, per=103.80%, avg=23237.00, stdev=32862.08
  cpu          : usr=5.40%, sys=1.83%, ctx=862
  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=13588
  read : io=100MiB, bw=4,586KiB/s, runt= 22860msec
    slat (msec): min=   67, max=20721, avg=16737.31, stdev=3578.45
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   11, max=23075, per=66.25%, avg=9116.31, stdev=6680.08
  write: io=99MiB, bw=7,689KiB/s, runt= 13439msec
    slat (msec): min=    0, max=   68, avg= 2.67, stdev= 4.73
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=91385, per=197.81%, avg=44281.00, stdev=51107.35
  cpu          : usr=5.98%, sys=1.96%, ctx=812
  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=13,760KiB/s, minb=4,586KiB/s, maxb=4,705KiB/s, mint=22282msec, maxt=22860msec
  WRITE: io=287MiB, aggrb=22,386KiB/s, minb=7,423KiB/s, maxb=7,689KiB/s, mint=22282msec, maxt=22860msec

Disk stats (read/write):
  sda: ios=3091/1901, merge=1543/71346, ticks=80944/1682172, in_queue=1774228, util=98.72%
3.90user 1.33system 0:23.16elapsed 22%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2418minor)pagefaults 0swaps