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: [mFF] [33.3% done] [    60/133618 kb/s] [eta 00m:06s]
Threads: 3: [mFF] [30.8% done] [     0/     0 kb/s] [eta 00m:09s]
Threads: 3: [mFF] [31.2% done] [   704/     0 kb/s] [eta 00m:11s]
Threads: 3: [mFF] [31.6% done] [   500/     0 kb/s] [eta 00m:13s]
Threads: 3: [mFF] [31.8% done] [   636/     0 kb/s] [eta 00m:15s]
Threads: 3: [FFF] [100.0% done] [   648/ 53204 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] [  1520/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [68.2% done] [ 22320/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [76.2% done] [ 30876/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [81.0% done] [ 25412/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [90.0% done] [ 34356/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 35468/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 37844/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 34660/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 26996/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=32280
  read : io=100MiB, bw=4,477KiB/s, runt= 23420msec
    slat (msec): min=  142, max=15398, avg=10919.33, stdev=3343.11
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   13, max=19870, per=52.82%, avg=7093.71, stdev=6280.52
  write: io=92,968KiB, bw=6,878KiB/s, runt= 13840msec
    slat (msec): min=    0, max=  262, avg= 2.79, stdev=14.52
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=53526, per=84.79%, avg=17871.67, stdev=30877.59
  cpu          : usr=5.57%, sys=1.71%, ctx=941
  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=32281
  read : io=100MiB, bw=4,518KiB/s, runt= 23206msec
    slat (msec): min=  127, max=20494, avg=15976.31, stdev=4265.28
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   19, max=16609, per=66.39%, avg=8916.26, stdev=5116.49
  write: io=93,992KiB, bw=6,954KiB/s, runt= 13840msec
    slat (msec): min=    0, max=   20, avg= 2.20, stdev= 2.84
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=80546, per=191.07%, avg=40273.00, stdev=56954.62
  cpu          : usr=5.69%, sys=1.69%, ctx=938
  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=32282
  read : io=100MiB, bw=4,497KiB/s, runt= 23314msec
    slat (msec): min=   15, max=21214, avg=16251.32, stdev=3947.04
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    7, max=18669, per=64.57%, avg=8672.68, stdev=6229.00
  write: io=97,928KiB, bw=7,245KiB/s, runt= 13840msec
    slat (msec): min=    0, max=   20, avg= 1.85, stdev= 2.23
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=110084, per=174.97%, avg=36880.00, stdev=63397.13
  cpu          : usr=5.58%, sys=1.51%, ctx=963
  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=13,431KiB/s, minb=4,477KiB/s, maxb=4,518KiB/s, mint=23206msec, maxt=23420msec
  WRITE: io=278MiB, aggrb=21,078KiB/s, minb=6,878KiB/s, maxb=7,245KiB/s, mint=23206msec, maxt=23420msec

Disk stats (read/write):
  sda: ios=3292/2022, merge=1228/69075, ticks=79200/1579096, in_queue=1658300, util=97.94%
3.97user 1.16system 0:23.67elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2417minor)pagefaults 0swaps