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: [Fmm] [42.9% done] [  7931/ 20666 kb/s] [eta 00m:04s]
Threads: 3: [FFm] [44.4% done] [  4319/ 37424 kb/s] [eta 00m:05s]
Threads: 3: [FFm] [45.5% done] [  2795/     0 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [  1076/ 32117 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] [ 18501/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [73.9% done] [ 29025/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [81.8% done] [ 26506/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [86.4% done] [ 26002/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [95.2% done] [ 36323/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 34572/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 29814/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 33625/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 31122/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=15059
  read : io=100MiB, bw=4,340KiB/s, runt= 24158msec
    slat (msec): min=  171, max=22081, avg=18046.98, stdev=3725.74
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    2, max=20818, per=75.33%, avg=9705.24, stdev=5363.50
  write: io=96,972KiB, bw=6,742KiB/s, runt= 14728msec
    slat (msec): min=    0, max=   12, avg= 1.97, stdev= 2.09
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=110297, per=291.24%, avg=55148.50, stdev=77991.76
  cpu          : usr=5.18%, sys=1.44%, ctx=769
  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=15060
  read : io=100MiB, bw=4,490KiB/s, runt= 23353msec
    slat (msec): min=   54, max=19837, avg=14255.62, stdev=5475.71
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   19, max=22456, per=67.78%, avg=8732.84, stdev=6207.92
  write: io=91,112KiB, bw=6,333KiB/s, runt= 14732msec
    slat (msec): min=    0, max=  192, avg= 2.15, stdev= 7.32
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=81076, per=142.90%, avg=27059.67, stdev=46779.55
  cpu          : usr=5.40%, sys=1.54%, ctx=971
  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=15061
  read : io=100MiB, bw=4,294KiB/s, runt= 24414msec
    slat (msec): min=   34, max=18508, avg=12816.49, stdev=5470.19
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   21, max=17434, per=52.77%, avg=6798.92, stdev=4355.99
  write: io=84,356KiB, bw=5,865KiB/s, runt= 14728msec
    slat (msec): min=    0, max=   88, avg= 2.11, stdev= 4.98
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=92892, per=163.70%, avg=30999.00, stdev=53600.94
  cpu          : usr=4.96%, sys=1.49%, ctx=1036
  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=12,884KiB/s, minb=4,294KiB/s, maxb=4,490KiB/s, mint=23353msec, maxt=24414msec
  WRITE: io=266MiB, aggrb=18,936KiB/s, minb=5,865KiB/s, maxb=6,742KiB/s, mint=23353msec, maxt=24414msec

Disk stats (read/write):
  sda: ios=3437/1861, merge=1646/66129, ticks=81556/1780504, in_queue=1863328, util=99.05%
3.75user 1.08system 0:24.62elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2416minor)pagefaults 0swaps