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] [37.5% done] [  1756/ 77580 kb/s] [eta 00m:05s]
Threads: 3: [mFF] [36.4% done] [  1872/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  1224/ 46408 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] [ 13836/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [72.7% done] [ 29492/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [81.0% done] [ 27852/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [85.7% done] [ 25304/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [95.0% done] [ 34120/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 36820/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 36708/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 28040/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 34276/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=16519
  read : io=100MiB, bw=4,384KiB/s, runt= 23915msec
    slat (msec): min=   71, max=19001, avg=13972.20, stdev=4573.68
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=18782, per=59.47%, avg=7787.45, stdev=5321.54
  write: io=88,372KiB, bw=6,329KiB/s, runt= 14297msec
    slat (msec): min=    0, max=   19, avg= 1.97, stdev= 2.66
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=16503, per=41.40%, avg=8251.50, stdev=11669.38
  cpu          : usr=5.17%, sys=1.62%, ctx=991
  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=16520
  read : io=100MiB, bw=4,447KiB/s, runt= 23578msec
    slat (msec): min=   81, max=21458, avg=16863.07, stdev=4383.92
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   15, max=22669, per=68.45%, avg=8963.24, stdev=6042.89
  write: io=95,808KiB, bw=6,892KiB/s, runt= 14234msec
    slat (msec): min=    0, max=   11, avg= 1.74, stdev= 1.91
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=53481, per=134.17%, avg=26740.50, stdev=37816.78
  cpu          : usr=4.97%, sys=1.78%, ctx=883
  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=16521
  read : io=100MiB, bw=4,365KiB/s, runt= 24022msec
    slat (msec): min=   25, max=21493, avg=16294.42, stdev=4289.72
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    7, max=20234, per=69.48%, avg=9098.37, stdev=5710.27
  write: io=95,588KiB, bw=6,810KiB/s, runt= 14373msec
    slat (msec): min=    0, max=   12, avg= 2.07, stdev= 1.87
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=114157, per=286.38%, avg=57078.50, stdev=80721.19
  cpu          : usr=5.51%, sys=2.08%, ctx=892
  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=13,095KiB/s, minb=4,365KiB/s, maxb=4,447KiB/s, mint=23578msec, maxt=24022msec
  WRITE: io=273MiB, aggrb=19,931KiB/s, minb=6,329KiB/s, maxb=6,892KiB/s, mint=23578msec, maxt=24022msec

Disk stats (read/write):
  sda: ios=3341/1952, merge=1270/67864, ticks=72592/1736372, in_queue=1809712, util=98.82%
3.79user 1.36system 0:24.33elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2418minor)pagefaults 0swaps