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] [8.3% done] [  9420/ 40876 kb/s] [eta 00m:33s]
Threads: 3: [mmF] [25.0% done] [  4976/ 20668 kb/s] [eta 00m:12s]
Threads: 3: [mFF] [50.0% done] [  3631/ 69824 kb/s] [eta 00m:05s]
Threads: 3: [FFF] [100.0% done] [   444/ 28072 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] [66.7% done] [  1928/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [68.0% done] [ 19916/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [75.0% done] [ 24268/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [79.2% done] [ 27112/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [83.3% done] [ 23944/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [91.3% done] [ 34268/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [95.7% done] [ 33324/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 34260/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 26137/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 28388/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=25038
  read : io=100MiB, bw=4,074KiB/s, runt= 25737msec
    slat (msec): min=   77, max=20396, avg=15370.88, stdev=5240.29
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=23117, per=60.78%, avg=7361.17, stdev=5256.16
  write: io=85,092KiB, bw=5,497KiB/s, runt= 15850msec
    slat (msec): min=    0, max=    9, avg= 1.48, stdev= 1.64
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=44392, per=126.79%, avg=22196.00, stdev=31389.88
  cpu          : usr=4.52%, sys=1.37%, ctx=949
  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=25039
  read : io=100MiB, bw=4,105KiB/s, runt= 25538msec
    slat (msec): min=   51, max=20564, avg=14370.10, stdev=5727.07
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   12, max=17636, per=59.31%, avg=7182.96, stdev=5054.43
  write: io=89,364KiB, bw=5,773KiB/s, runt= 15849msec
    slat (msec): min=    0, max=   10, avg= 1.82, stdev= 1.92
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=15668, per=44.75%, avg=7834.00, stdev=11078.95
  cpu          : usr=4.78%, sys=1.19%, ctx=959
  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=25040
  read : io=100MiB, bw=4,037KiB/s, runt= 25972msec
    slat (msec): min=   84, max=23380, avg=18222.02, stdev=4631.51
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    7, max=18833, per=67.00%, avg=8114.09, stdev=6370.33
  write: io=96,752KiB, bw=6,245KiB/s, runt= 15864msec
    slat (msec): min=    0, max=  114, avg= 2.28, stdev= 6.65
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=94241, per=179.83%, avg=31480.33, stdev=54352.42
  cpu          : usr=4.65%, sys=1.49%, ctx=844
  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=12,111KiB/s, minb=4,037KiB/s, maxb=4,105KiB/s, mint=25538msec, maxt=25972msec
  WRITE: io=265MiB, aggrb=17,506KiB/s, minb=5,497KiB/s, maxb=6,245KiB/s, mint=25538msec, maxt=25972msec

Disk stats (read/write):
  sda: ios=3551/2351, merge=1357/65298, ticks=93164/1890540, in_queue=1985044, util=99.17%
3.65user 1.05system 0:26.22elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2442minor)pagefaults 0swaps