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] [7.5% done] [  3708/ 56480 kb/s] [eta 00m:37s]
Threads: 3: [mFF] [7.8% done] [   640/  6790 kb/s] [eta 00m:47s]
Threads: 3: [mFF] [9.1% done] [  1920/     0 kb/s] [eta 00m:50s]
Threads: 3: [mFF] [10.0% done] [  1012/     0 kb/s] [eta 00m:54s]
Threads: 3: [mFF] [11.7% done] [  1088/     0 kb/s] [eta 00m:53s]
Threads: 3: [mFF] [13.3% done] [   948/     0 kb/s] [eta 00m:52s]
Threads: 3: [mFF] [18.4% done] [  2678/  8428 kb/s] [eta 00m:40s]
Threads: 3: [mFF] [50.0% done] [   276/ 48619 kb/s] [eta 00m:10s]
Threads: 3: [mFF] [52.4% done] [   912/     0 kb/s] [eta 00m:10s]
Threads: 3: [mFF] [60.0% done] [   660/ 10680 kb/s] [eta 00m:08s]
Threads: 3: [FFF] [100.0% done] [     0/ 13397 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] [  8300/     0 kb/s] [eta 00m:09s]
Threads: 3: [VVV] [67.9% done] [ 32596/     0 kb/s] [eta 00m:09s]
Threads: 3: [VVV] [74.1% done] [ 33172/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [75.0% done] [ 25932/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [81.5% done] [ 31044/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [88.5% done] [ 32372/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [92.3% done] [ 29720/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 34264/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [100.0% done] [ 34564/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=14158
  read : io=100MiB, bw=3,904KiB/s, runt= 26858msec
    slat (msec): min=  120, max=14588, avg=10700.41, stdev=4240.21
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   13, max=29825, per=45.00%, avg=5270.76, stdev=6174.69
  write: io=81,032KiB, bw=4,766KiB/s, runt= 17409msec
    slat (msec): min=    0, max=  207, avg= 2.39, stdev=13.05
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=83238, per=172.11%, avg=27766.33, stdev=48039.88
  cpu          : usr=4.47%, sys=1.16%, ctx=1195
  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=14159
  read : io=100MiB, bw=4,059KiB/s, runt= 25829msec
    slat (msec): min=  117, max=22836, avg=17956.99, stdev=4540.52
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   11, max=19571, per=79.11%, avg=9265.22, stdev=5986.19
  write: io=96,468KiB, bw=5,678KiB/s, runt= 17395msec
    slat (msec): min=    0, max=  149, avg= 2.25, stdev= 8.52
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=87355, per=180.95%, avg=29193.33, stdev=50369.61
  cpu          : usr=5.00%, sys=1.27%, ctx=1014
  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=14160
  read : io=100MiB, bw=4,000KiB/s, runt= 26214msec
    slat (msec): min=  152, max=24124, avg=19805.11, stdev=3909.49
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    8, max=19292, per=85.03%, avg=9958.81, stdev=5398.32
  write: io=96,780KiB, bw=5,699KiB/s, runt= 17387msec
    slat (msec): min=    0, max=   14, avg= 1.88, stdev= 2.02
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=112096, per=347.41%, avg=56048.00, stdev=79263.84
  cpu          : usr=4.58%, sys=1.57%, ctx=954
  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=11,712KiB/s, minb=3,904KiB/s, maxb=4,059KiB/s, mint=25829msec, maxt=26858msec
  WRITE: io=268MiB, aggrb=16,133KiB/s, minb=4,766KiB/s, maxb=5,699KiB/s, mint=25829msec, maxt=26858msec

Disk stats (read/write):
  sda: ios=3448/2442, merge=1384/66021, ticks=103476/1957624, in_queue=2061312, util=98.23%
3.74user 1.08system 0:27.46elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2432minor)pagefaults 0swaps