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: [mFm] [10.0% done] [  6500/116391 kb/s] [eta 00m:27s]
Threads: 3: [FFm] [36.4% done] [   901/ 39794 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [50.0% done] [   295/ 21007 kb/s] [eta 00m:05s]
Threads: 3: [FFm] [50.0% done] [   433/     0 kb/s] [eta 00m:06s]
Threads: 3: [FFm] [50.0% done] [   665/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [50.0% done] [   850/     0 kb/s] [eta 00m:08s]
Threads: 3: [FFF] [100.0% done] [   346/ 26793 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] [     0/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [68.2% done] [ 16301/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [76.2% done] [ 29266/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [81.0% done] [ 30432/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [90.0% done] [ 28128/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 34591/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 34796/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 35048/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 27222/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 32614/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=4102
  read : io=100MiB, bw=4,390KiB/s, runt= 23883msec
    slat (msec): min=  102, max=20853, avg=16441.26, stdev=3828.50
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=19403, per=67.76%, avg=8925.17, stdev=5842.89
  write: io=97,328KiB, bw=6,951KiB/s, runt= 14337msec
    slat (msec): min=    0, max=   13, avg= 1.89, stdev= 2.09
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=52662, per=133.28%, avg=26331.00, stdev=37237.66
  cpu          : usr=5.33%, sys=1.64%, ctx=807
  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=4103
  read : io=100MiB, bw=4,455KiB/s, runt= 23535msec
    slat (msec): min=  152, max=21050, avg=16610.11, stdev=3998.73
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   19, max=17270, per=71.64%, avg=9436.00, stdev=5371.33
  write: io=95,808KiB, bw=6,842KiB/s, runt= 14337msec
    slat (msec): min=    0, max=   13, avg= 1.95, stdev= 2.09
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=108495, per=274.59%, avg=54247.50, stdev=76717.55
  cpu          : usr=5.39%, sys=1.39%, ctx=821
  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=4104
  read : io=100MiB, bw=4,407KiB/s, runt= 23792msec
    slat (msec): min=   57, max=15354, avg=10028.91, stdev=4165.69
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    3, max=13494, per=47.17%, avg=6212.35, stdev=4585.47
  write: io=83,616KiB, bw=5,969KiB/s, runt= 14344msec
    slat (msec): min=    0, max=  531, avg= 2.38, stdev=19.60
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=56238, per=94.93%, avg=18755.33, stdev=32460.94
  cpu          : usr=4.98%, sys=1.41%, ctx=993
  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=13,171KiB/s, minb=4,390KiB/s, maxb=4,455KiB/s, mint=23535msec, maxt=23883msec
  WRITE: io=270MiB, aggrb=19,756KiB/s, minb=5,969KiB/s, maxb=6,951KiB/s, mint=23535msec, maxt=23883msec

Disk stats (read/write):
  sda: ios=3346/2072, merge=1247/66914, ticks=83192/1655928, in_queue=1749500, util=98.98%
3.79user 1.07system 0:24.16elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2433minor)pagefaults 0swaps