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] [42.9% done] [  9756/  5020 kb/s] [eta 00m:04s]
Threads: 3: [mmF] [44.4% done] [  6364/ 61572 kb/s] [eta 00m:05s]
Threads: 3: [FFF] [100.0% done] [  5144/ 36568 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: [FFV] [68.4% done] [     0/     0 kb/s] [eta 00m:06s]
Threads: 3: [FFV] [73.7% done] [  6020/     0 kb/s] [eta 00m:05s]
Threads: 3: [FFV] [78.9% done] [ 12552/     0 kb/s] [eta 00m:04s]
Threads: 3: [FFV] [88.9% done] [ 11988/     0 kb/s] [eta 00m:02s]
Threads: 3: [FFV] [100.0% done] [ 12584/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFV] [100.0% done] [ 14120/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFV] [100.0% done] [ 12028/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [66.7% done] [ 12196/     0 kb/s] [eta 00m:10s]
Threads: 2: [VVE] [67.7% done] [ 25196/     0 kb/s] [eta 00m:10s]
Threads: 2: [VV_] [78.6% done] [ 26080/     0 kb/s] [eta 00m:06s]
Threads: 2: [VV_] [88.5% done] [ 27256/     0 kb/s] [eta 00m:03s]
Threads: 2: [VV_] [100.0% done] [ 33772/     0 kb/s] [eta 00m:00s]
Threads: 2: [VV_] [100.0% done] [ 29012/     0 kb/s] [eta 00m:00s]
Threads: 2: [VV_] [100.0% done] [ 27856/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=12542
  read : io=100MiB, bw=3,882KiB/s, runt= 27008msec
    slat (msec): min=   65, max=22103, avg=17207.86, stdev=5986.12
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    2, max=25707, per=85.62%, avg=9972.26, stdev=9124.36
  write: io=89,428KiB, bw=4,517KiB/s, runt= 20273msec
    slat (msec): min=    0, max=   17, avg= 1.78, stdev= 2.09
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=13920, per=51.85%, avg=6960.00, stdev=9842.93
  cpu          : usr=4.27%, sys=1.38%, ctx=1059
  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=12543
  read : io=100MiB, bw=3,895KiB/s, runt= 26915msec
    slat (msec): min=   19, max=22229, avg=15725.32, stdev=7748.75
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   14, max=26031, per=74.12%, avg=8632.75, stdev=7026.04
  write: io=86,544KiB, bw=4,371KiB/s, runt= 20273msec
    slat (msec): min=    0, max=  218, avg= 2.57, stdev= 8.33
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=103100, per=256.33%, avg=34407.67, stdev=59489.34
  cpu          : usr=4.40%, sys=1.31%, ctx=1208
  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=12544
  read : io=100MiB, bw=4,967KiB/s, runt= 21107msec
    slat (msec): min=   72, max=17916, avg=13127.43, stdev=4567.19
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   20, max=15384, per=83.78%, avg=9757.53, stdev=4656.96
  write: io=89,788KiB, bw=7,133KiB/s, runt= 12888msec
    slat (msec): min=    0, max=  111, avg= 1.93, stdev= 3.51
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=94877, per=235.70%, avg=31637.67, stdev=54766.87
  cpu          : usr=5.53%, sys=1.78%, ctx=1057
  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=11,647KiB/s, minb=3,882KiB/s, maxb=4,967KiB/s, mint=21107msec, maxt=27008msec
  WRITE: io=260MiB, aggrb=13,423KiB/s, minb=4,371KiB/s, maxb=7,133KiB/s, mint=21107msec, maxt=27008msec

Disk stats (read/write):
  sda: ios=3870/2203, merge=1142/64265, ticks=63144/2383900, in_queue=2447036, util=98.90%
3.57user 1.10system 0:27.45elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2414minor)pagefaults 0swaps