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] [50.0% done] [  2245/115656 kb/s] [eta 00m:03s]
Threads: 3: [FFF] [100.0% done] [     0/ 30783 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: [VFF] [71.4% done] [  3002/     0 kb/s] [eta 00m:04s]
Threads: 3: [VFF] [78.6% done] [  8131/     0 kb/s] [eta 00m:03s]
Threads: 3: [VFF] [80.0% done] [  7883/     0 kb/s] [eta 00m:03s]
Threads: 3: [VFF] [86.7% done] [  9427/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVF] [66.7% done] [  9207/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVF] [71.4% done] [ 10609/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [66.7% done] [ 27326/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [70.8% done] [ 29505/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [78.3% done] [ 28928/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [86.4% done] [ 30622/     0 kb/s] [eta 00m:03s]
Threads: 2: [_VV] [100.0% done] [ 35726/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VV] [100.0% done] [ 33450/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VV] [100.0% done] [ 30711/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=8571
  read : io=100MiB, bw=5,435KiB/s, runt= 19293msec
    slat (msec): min=  125, max=17183, avg=12875.33, stdev=3226.85
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=19405, per=64.46%, avg=8898.58, stdev=5217.01
  write: io=96,692KiB, bw=10,646KiB/s, runt=  9300msec
    slat (msec): min=    0, max=   14, avg= 2.02, stdev= 2.25
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=100671, per=263.32%, avg=50335.50, stdev=71185.15
  cpu          : usr=6.65%, sys=2.05%, ctx=787
  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=8572
  read : io=100MiB, bw=4,700KiB/s, runt= 22306msec
    slat (msec): min=   68, max=20162, avg=16615.76, stdev=3796.26
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   15, max=24919, per=82.78%, avg=11428.37, stdev=8281.43
  write: io=97,560KiB, bw=7,414KiB/s, runt= 13473msec
    slat (msec): min=    0, max=   71, avg= 1.92, stdev= 2.75
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=99131, per=177.00%, avg=33835.33, stdev=56560.17
  cpu          : usr=5.33%, sys=1.78%, ctx=1240
  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=8573
  read : io=100MiB, bw=4,601KiB/s, runt= 22786msec
    slat (msec): min=   82, max=19632, avg=16162.27, stdev=4191.43
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    5, max=26872, per=77.70%, avg=10726.88, stdev=7877.23
  write: io=89,960KiB, bw=6,050KiB/s, runt= 15224msec
    slat (msec): min=    0, max=   11, avg= 1.70, stdev= 1.80
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=114818, per=300.32%, avg=57409.00, stdev=81188.59
  cpu          : usr=5.32%, sys=1.56%, ctx=880
  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=13,805KiB/s, minb=4,601KiB/s, maxb=5,435KiB/s, mint=19293msec, maxt=22786msec
  WRITE: io=278MiB, aggrb=19,116KiB/s, minb=6,050KiB/s, maxb=10,646KiB/s, mint=19293msec, maxt=22786msec

Disk stats (read/write):
  sda: ios=3182/1665, merge=1375/69371, ticks=87588/1741484, in_queue=1829068, util=99.21%
3.74user 1.15system 0:23.03elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2440minor)pagefaults 0swaps