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] [42.9% done] [  4904/     0 kb/s] [eta 00m:04s]
Threads: 3: [FFm] [44.4% done] [  2164/     0 kb/s] [eta 00m:05s]
Threads: 3: [FFm] [45.5% done] [  1520/  5180 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [     0/ 33248 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: [FVF] [69.2% done] [  1213/     0 kb/s] [eta 00m:04s]
Threads: 3: [FVF] [76.9% done] [ 10816/     0 kb/s] [eta 00m:03s]
Threads: 3: [FVF] [84.6% done] [ 12588/     0 kb/s] [eta 00m:02s]
Threads: 3: [FVF] [92.3% done] [ 10528/     0 kb/s] [eta 00m:01s]
Threads: 3: [FVF] [100.0% done] [ 11352/     0 kb/s] [eta 00m:00s]
Threads: 3: [FVF] [100.0% done] [ 11000/     0 kb/s] [eta 00m:00s]
Threads: 3: [FVF] [100.0% done] [  8356/     0 kb/s] [eta 00m:00s]
Threads: 3: [FVF] [100.0% done] [  8132/     0 kb/s] [eta 00m:00s]
Threads: 3: [FVF] [100.0% done] [ 10712/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [ 11660/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [70.0% done] [ 13728/     0 kb/s] [eta 00m:09s]
Threads: 2: [V_V] [81.5% done] [ 31012/     0 kb/s] [eta 00m:05s]
Threads: 2: [V_V] [92.0% done] [ 28540/     0 kb/s] [eta 00m:02s]
Threads: 2: [V_V] [100.0% done] [ 40688/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 37228/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 25748/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=1365
  read : io=100MiB, bw=3,930KiB/s, runt= 26679msec
    slat (msec): min=    4, max=24398, avg=19500.87, stdev=6749.14
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    4, max=28128, per=112.29%, avg=13155.57, stdev=9045.45
  write: io=97,740KiB, bw=4,884KiB/s, runt= 20491msec
    slat (msec): min=    0, max=   15, avg= 2.47, stdev= 2.44
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=108942, per=383.84%, avg=54471.00, stdev=77033.63
  cpu          : usr=5.10%, sys=1.47%, ctx=1012
  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=1366
  read : io=100MiB, bw=5,803KiB/s, runt= 18067msec
    slat (msec): min=   53, max=16512, avg=11793.04, stdev=3327.14
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   21, max=14925, per=85.75%, avg=10046.72, stdev=3469.50
  write: io=96,356KiB, bw=11,315KiB/s, runt=  8720msec
    slat (msec): min=    0, max=   21, avg= 2.07, stdev= 2.76
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=93972, per=331.10%, avg=46986.00, stdev=66448.24
  cpu          : usr=7.48%, sys=2.06%, ctx=870
  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=1367
  read : io=100MiB, bw=3,905KiB/s, runt= 26849msec
    slat (msec): min=   40, max=21575, avg=16734.09, stdev=5942.99
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    4, max=22770, per=77.42%, avg=9070.55, stdev=7666.20
  write: io=90,124KiB, bw=4,500KiB/s, runt= 20508msec
    slat (msec): min=    0, max=   15, avg= 1.93, stdev= 2.24
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=10708, per=37.73%, avg=5354.00, stdev=7571.70
  cpu          : usr=4.47%, sys=1.28%, ctx=1083
  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=11,716KiB/s, minb=3,905KiB/s, maxb=5,803KiB/s, mint=18067msec, maxt=26849msec
  WRITE: io=278MiB, aggrb=14,191KiB/s, minb=4,500KiB/s, maxb=11,315KiB/s, mint=18067msec, maxt=26849msec

Disk stats (read/write):
  sda: ios=3547/2398, merge=1224/68511, ticks=61972/2755224, in_queue=2818132, util=98.77%
3.96user 1.12system 0:27.11elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2424minor)pagefaults 0swaps