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: [FFm] [37.5% done] [  1395/ 20435 kb/s] [eta 00m:05s]
Threads: 3: [FFF] [100.0% done] [     0/ 46080 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] [     0/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [69.6% done] [ 17802/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [68.0% done] [ 35494/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [72.0% done] [ 31483/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [76.0% done] [ 30197/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [80.0% done] [ 32727/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [87.5% done] [ 28590/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [95.7% done] [ 39326/     0 kb/s] [eta 00m:01s]
Threads: 2: [V_V] [100.0% done] [ 34844/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [100.0% done] [ 38217/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=15074
  read : io=100MiB, bw=4,325KiB/s, runt= 24241msec
    slat (msec): min=   49, max=22223, avg=18904.68, stdev=4938.17
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=31621, per=73.39%, avg=9522.53, stdev=8706.11
  write: io=95,816KiB, bw=6,576KiB/s, runt= 14919msec
    slat (msec): min=    0, max=   15, avg= 1.91, stdev= 2.11
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=33740, per=84.27%, avg=16870.00, stdev=23857.78
  cpu          : usr=4.95%, sys=1.65%, ctx=1010
  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=15075
  read : io=100MiB, bw=4,582KiB/s, runt= 22882msec
    slat (msec): min=  139, max=21337, avg=17040.00, stdev=3067.91
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    7, max=19114, per=92.44%, avg=11994.67, stdev=5645.18
  write: io=99,644KiB, bw=6,850KiB/s, runt= 14894msec
    slat (msec): min=    0, max=   18, avg= 2.09, stdev= 2.54
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=96050, per=239.91%, avg=48025.00, stdev=67917.61
  cpu          : usr=5.45%, sys=1.89%, ctx=882
  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=15076
  read : io=100MiB, bw=4,483KiB/s, runt= 23390msec
    slat (msec): min=   39, max=20108, avg=15791.81, stdev=3707.05
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   16, max=22200, per=69.58%, avg=9029.18, stdev=6466.61
  write: io=96,200KiB, bw=6,603KiB/s, runt= 14917msec
    slat (msec): min=    0, max=   45, avg= 2.03, stdev= 3.23
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=89012, per=148.79%, avg=29784.67, stdev=51292.66
  cpu          : usr=5.76%, sys=1.59%, ctx=977
  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%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,976KiB/s, minb=4,325KiB/s, maxb=4,582KiB/s, mint=22882msec, maxt=24241msec
  WRITE: io=285MiB, aggrb=20,018KiB/s, minb=6,576KiB/s, maxb=6,850KiB/s, mint=22882msec, maxt=24241msec

Disk stats (read/write):
  sda: ios=3145/1950, merge=1191/70681, ticks=84284/1877260, in_queue=2000136, util=98.33%
3.82user 1.27system 0:24.59elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2422minor)pagefaults 0swaps