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: [FmF] [7.7% done] [  2248/     0 kb/s] [eta 00m:36s]
Threads: 3: [FmF] [7.7% done] [     0/     0 kb/s] [eta 00m:48s]
Threads: 3: [FmF] [45.5% done] [  1256/ 55296 kb/s] [eta 00m:06s]
Threads: 3: [FmF] [46.2% done] [   532/     0 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [46.7% done] [  1428/     0 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [47.1% done] [   844/     0 kb/s] [eta 00m:09s]
Threads: 3: [FmF] [47.4% done] [   804/     0 kb/s] [eta 00m:10s]
Threads: 3: [FFV] [66.7% done] [   380/ 30052 kb/s] [eta 00m:05s]
Threads: 3: [FFV] [73.3% done] [  6324/     0 kb/s] [eta 00m:04s]
Threads: 3: [VFV] [70.6% done] [ 18328/     0 kb/s] [eta 00m:05s]
Threads: 3: [VFV] [76.5% done] [ 20584/     0 kb/s] [eta 00m:04s]
Threads: 3: [VFV] [87.5% done] [ 30072/     0 kb/s] [eta 00m:02s]
Threads: 3: [VFV] [100.0% done] [ 28156/     0 kb/s] [eta 00m:00s]
Threads: 3: [VFV] [100.0% done] [ 27260/     0 kb/s] [eta 00m:00s]
Threads: 3: [VFV] [100.0% done] [ 33564/     0 kb/s] [eta 00m:00s]
Threads: 2: [VFE] [100.0% done] [ 25468/     0 kb/s] [eta 00m:00s]
Threads: 1: [_F_] [100.0% done] [  9956/     0 kb/s] [eta 00m:00s]
Threads: 1: [_F_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [_F_] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [_V_] [84.6% done] [ 26596/     0 kb/s] [eta 00m:04s]
Threads: 1: [_V_] [100.0% done] [ 31580/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=29021
  read : io=100MiB, bw=5,555KiB/s, runt= 18876msec
    slat (msec): min=  170, max=17213, avg=13939.55, stdev=2527.17
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    5, max=22648, per=97.73%, avg=12635.14, stdev=6453.16
  write: io=99,176KiB, bw=8,795KiB/s, runt= 11546msec
    slat (msec): min=    0, max=   15, avg= 1.88, stdev= 2.05
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=111564, per=408.96%, avg=55782.00, stdev=78887.66
  cpu          : usr=6.40%, sys=2.23%, ctx=791
  IO depths    : 1=12.6%, 2=25.1%, 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=29022
  read : io=100MiB, bw=4,309KiB/s, runt= 24331msec
    slat (msec): min=   70, max=14770, avg=12086.59, stdev=4081.22
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    4, max=32808, per=80.63%, avg=10424.18, stdev=13610.19
  write: io=85,348KiB, bw=4,084KiB/s, runt= 21399msec
    slat (msec): min=    0, max=   66, avg= 1.96, stdev= 4.93
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=102912, per=251.75%, avg=34338.33, stdev=59386.56
  cpu          : usr=5.01%, sys=1.27%, ctx=1020
  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=29023
  read : io=100MiB, bw=5,730KiB/s, runt= 18297msec
    slat (msec): min=   54, max=16800, avg=12923.20, stdev=2846.62
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   21, max=25757, per=81.41%, avg=10524.06, stdev=6855.57
  write: io=98MiB, bw=10,498KiB/s, runt=  9806msec
    slat (msec): min=    0, max=   59, avg= 2.03, stdev= 3.84
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=101017, per=249.88%, avg=34083.00, stdev=57969.82
  cpu          : usr=6.80%, sys=2.30%, ctx=822
  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=12,928KiB/s, minb=4,309KiB/s, maxb=5,730KiB/s, mint=18297msec, maxt=24331msec
  WRITE: io=278MiB, aggrb=13,640KiB/s, minb=4,084KiB/s, maxb=10,498KiB/s, mint=18297msec, maxt=24331msec

Disk stats (read/write):
  sda: ios=3342/2147, merge=1281/68930, ticks=72716/2712472, in_queue=2818576, util=98.36%
3.72user 1.17system 0:24.67elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2436minor)pagefaults 0swaps