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] [42.9% done] [  2024/137401 kb/s] [eta 00m:04s]
Threads: 3: [mmF] [40.0% done] [  2048/   228 kb/s] [eta 00m:06s]
Threads: 3: [mmF] [41.7% done] [  2276/     0 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [42.9% done] [   972/ 35863 kb/s] [eta 00m:08s]
Threads: 3: [FFF] [100.0% done] [   638/ 39124 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] [66.7% done] [     0/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [68.0% done] [ 14816/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [69.2% done] [ 34223/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [70.4% done] [ 29783/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [71.4% done] [ 31844/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [77.8% done] [ 30540/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [84.6% done] [ 24408/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [92.0% done] [ 37092/     0 kb/s] [eta 00m:02s]
Threads: 2: [VEV] [100.0% done] [ 32536/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [100.0% done] [ 38440/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=17787
  read : io=100MiB, bw=4,049KiB/s, runt= 25894msec
    slat (msec): min=  181, max=19959, avg=16848.91, stdev=4652.40
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=39354, per=59.51%, avg=7229.41, stdev=9738.00
  write: io=91,116KiB, bw=5,697KiB/s, runt= 16376msec
    slat (msec): min=    0, max=  399, avg= 2.33, stdev=14.60
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=62597, per=118.64%, avg=20892.67, stdev=36117.03
  cpu          : usr=4.57%, sys=1.25%, ctx=1033
  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=17788
  read : io=100MiB, bw=4,317KiB/s, runt= 24288msec
    slat (msec): min=  162, max=17724, avg=12900.78, stdev=3963.27
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   10, max=22140, per=62.61%, avg=7606.09, stdev=7080.99
  write: io=94,880KiB, bw=5,933KiB/s, runt= 16375msec
    slat (msec): min=    0, max=  171, avg= 2.04, stdev= 7.61
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=85928, per=162.70%, avg=28650.67, stdev=49603.63
  cpu          : usr=4.96%, sys=1.58%, ctx=1015
  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=17789
  read : io=100MiB, bw=4,212KiB/s, runt= 24890msec
    slat (msec): min=  215, max=22194, avg=17865.04, stdev=3945.22
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   11, max=18242, per=78.22%, avg=9502.44, stdev=5429.99
  write: io=95,632KiB, bw=5,994KiB/s, runt= 16337msec
    slat (msec): min=    0, max=   11, avg= 1.73, stdev= 1.87
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=114720, per=325.72%, avg=57360.00, stdev=81119.29
  cpu          : usr=4.72%, sys=1.41%, ctx=980
  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=12,148KiB/s, minb=4,049KiB/s, maxb=4,317KiB/s, mint=24288msec, maxt=25894msec
  WRITE: io=275MiB, aggrb=17,610KiB/s, minb=5,697KiB/s, maxb=5,994KiB/s, mint=24288msec, maxt=25894msec

Disk stats (read/write):
  sda: ios=3363/2202, merge=1304/68075, ticks=100800/2073816, in_queue=2176796, util=98.10%
3.62user 1.10system 0:26.50elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2425minor)pagefaults 0swaps