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: [mmm] [33.3% done] [  2117/ 54690 kb/s] [eta 00m:06s]
Threads: 3: [mmm] [33.3% done] [   755/     0 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [33.3% done] [   280/   150 kb/s] [eta 00m:10s]
Threads: 3: [FFm] [46.2% done] [  1076/ 98909 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [46.7% done] [     0/     0 kb/s] [eta 00m:08s]
Threads: 3: [FFF] [100.0% done] [   247/ 35165 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] [66.7% done] [  2763/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [70.8% done] [ 26205/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [75.0% done] [ 28334/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [82.6% done] [ 28151/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [83.3% done] [ 26201/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [87.5% done] [ 29525/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [91.7% done] [ 26112/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [95.8% done] [ 31333/     0 kb/s] [eta 00m:01s]
Threads: 2: [V_V] [100.0% done] [ 31585/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 26888/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=3593
  read : io=100MiB, bw=4,038KiB/s, runt= 25962msec
    slat (msec): min=   75, max=20349, avg=16429.43, stdev=4451.58
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    7, max=28534, per=64.20%, avg=7778.25, stdev=7173.24
  write: io=96,396KiB, bw=6,321KiB/s, runt= 15616msec
    slat (msec): min=    0, max=  291, avg= 2.41, stdev=10.81
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=63582, per=114.91%, avg=21202.67, stdev=36701.58
  cpu          : usr=4.65%, sys=1.59%, ctx=380
  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=3594
  read : io=100MiB, bw=4,472KiB/s, runt= 23446msec
    slat (msec): min=   41, max=17925, avg=13771.24, stdev=3821.32
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    1, max=25630, per=74.37%, avg=9011.21, stdev=6973.54
  write: io=96,528KiB, bw=6,343KiB/s, runt= 15583msec
    slat (msec): min=    0, max=   50, avg= 2.33, stdev= 3.57
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    1, max=98008, per=177.24%, avg=32702.00, stdev=56556.68
  cpu          : usr=5.25%, sys=1.88%, ctx=367
  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=3595
  read : io=100MiB, bw=4,168KiB/s, runt= 25155msec
    slat (msec): min=   68, max=17396, avg=12589.50, stdev=4085.38
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   26, max=14450, per=67.28%, avg=8151.62, stdev=4239.88
  write: io=88,600KiB, bw=5,806KiB/s, runt= 15624msec
    slat (msec): min=    0, max= 1332, avg= 4.11, stdev=56.91
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=30190, per=54.61%, avg=10077.00, stdev=17418.38
  cpu          : usr=4.99%, sys=1.14%, ctx=434
  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=12,116KiB/s, minb=4,038KiB/s, maxb=4,472KiB/s, mint=23446msec, maxt=25962msec
  WRITE: io=275MiB, aggrb=18,451KiB/s, minb=5,806KiB/s, maxb=6,343KiB/s, mint=23446msec, maxt=25962msec

Disk stats (read/write):
  sda: ios=1543/2813, merge=26/67509, ticks=86960/1881384, in_queue=1969072, util=99.28%
3.76user 1.15system 0:26.23elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2428minor)pagefaults 0swaps