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] [  1296/ 25032 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: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [68.2% done] [   836/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [69.6% done] [ 15162/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [73.9% done] [ 26292/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [81.8% done] [ 31008/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [90.5% done] [ 32736/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [95.2% done] [ 26757/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 32641/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 31708/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 32531/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 32689/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=25353
  read : io=100MiB, bw=4,219KiB/s, runt= 24851msec
    slat (msec): min=   29, max=22578, avg=17621.85, stdev=4523.24
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    5, max=17478, per=68.27%, avg=8431.58, stdev=4768.22
  write: io=97,248KiB, bw=6,638KiB/s, runt= 15000msec
    slat (msec): min=    0, max=   99, avg= 2.75, stdev= 6.26
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=55224, per=133.50%, avg=26717.00, stdev=30522.70
  cpu          : usr=5.78%, sys=1.58%, ctx=482
  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=25354
  read : io=100MiB, bw=4,174KiB/s, runt= 25119msec
    slat (msec): min=   43, max=22799, avg=17454.90, stdev=4539.17
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   16, max=12969, per=69.78%, avg=8618.41, stdev=3975.21
  write: io=96,936KiB, bw=6,619KiB/s, runt= 14996msec
    slat (msec): min=    0, max=   18, avg= 2.43, stdev= 2.56
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=97951, per=222.62%, avg=44550.00, stdev=49571.71
  cpu          : usr=5.48%, sys=1.75%, ctx=370
  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=25355
  read : io=100MiB, bw=4,117KiB/s, runt= 25468msec
    slat (msec): min=  109, max=23992, avg=19807.84, stdev=3925.29
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   11, max=13447, per=72.98%, avg=9013.69, stdev=4065.97
  write: io=98,968KiB, bw=6,758KiB/s, runt= 14996msec
    slat (msec): min=    0, max=   13, avg= 1.99, stdev= 2.07
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=111089, per=277.56%, avg=55544.50, stdev=78551.79
  cpu          : usr=4.81%, sys=1.48%, ctx=379
  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=12,351KiB/s, minb=4,117KiB/s, maxb=4,219KiB/s, mint=24851msec, maxt=25468msec
  WRITE: io=286MiB, aggrb=20,012KiB/s, minb=6,619KiB/s, maxb=6,758KiB/s, mint=24851msec, maxt=25468msec

Disk stats (read/write):
  sda: ios=1402/2115, merge=7776/71048, ticks=266828/1917156, in_queue=2191568, util=97.07%
4.10user 1.22system 0:25.81elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2429minor)pagefaults 0swaps