fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mFm] [37.5% done] [  3246/ 65182 kb/s] [eta 00m:05s]
Threads: 3: [mFF] [50.0% done] [  1466/ 31674 kb/s] [eta 00m:04s]
Threads: 3: [mFF] [55.6% done] [  1040/     0 kb/s] [eta 00m:04s]
Threads: 3: [FFF] [100.0% done] [    56/ 25320 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: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [68.8% done] [ 12344/     0 kb/s] [eta 00m:05s]
Threads: 2: [V_V] [80.0% done] [ 41472/     0 kb/s] [eta 00m:03s]
Threads: 2: [V_V] [100.0% done] [ 39484/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 43224/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [100.0% done] [ 42804/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=1612
  read : io=100MiB, bw=6,872KiB/s, runt= 15258msec
    slat (msec): min=    0, max=    4, avg= 0.03, stdev= 0.33
    clat (msec): min=    0, max=  717, avg=38.08, stdev=79.57
    bw (KiB/s) : min=   15, max=31211, per=78.31%, avg=10653.72, stdev=10330.67
  write: io=89,968KiB, bw=8,499KiB/s, runt= 10839msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  348, avg= 2.52, stdev=22.73
    bw (KiB/s) : min=    0, max=18857, per=39.85%, avg=10690.33, stdev=9678.50
  cpu          : usr=4.67%, sys=2.70%, ctx=4466
  IO depths    : 1=2.2%, 2=55.7%, 4=29.2%, 8=12.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=48.8%, 4=0.0%, 10=25.0%, 20=12.2%, 50=4.4%, 100=0.3%
     lat (msec): 250=7.6%, 500=1.1%, 750=0.4%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=1613
  read : io=0KiB, bw=0KiB/s, runt= 10058msec
  write: io=100MiB, bw=10,463KiB/s, runt= 10021msec
    slat (msec): min=    0, max=    8, avg= 0.00, stdev= 0.20
    clat (msec): min=    0, max=    7, avg= 0.21, stdev= 0.50
    bw (KiB/s) : min=    0, max=133079, per=248.01%, avg=66539.50, stdev=94101.06
  cpu          : usr=7.76%, sys=2.94%, ctx=2708
  IO depths    : 1=0.2%, 2=96.6%, 4=3.2%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=97.9%, 4=1.2%, 10=0.2%, 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=1614
  read : io=100MiB, bw=6,802KiB/s, runt= 15413msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  663, avg=32.47, stdev=63.05
    bw (KiB/s) : min=   14, max=26839, per=95.38%, avg=12976.21, stdev=10604.59
  write: io=91,616KiB, bw=8,666KiB/s, runt= 10825msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  374, avg= 1.18, stdev=13.47
    bw (KiB/s) : min=    0, max=129826, per=191.85%, avg=51471.00, stdev=68962.02
  cpu          : usr=4.54%, sys=2.65%, ctx=4522
  IO depths    : 1=1.0%, 2=52.8%, 4=31.4%, 8=14.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=48.6%, 4=2.4%, 10=18.5%, 20=18.9%, 50=2.6%, 100=1.3%
     lat (msec): 250=6.8%, 500=0.4%, 750=0.2%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=200MiB, aggrb=13,605KiB/s, minb=0KiB/s, maxb=6,872KiB/s, mint=10058msec, maxt=15413msec
  WRITE: io=277MiB, aggrb=26,829KiB/s, minb=8,499KiB/s, maxb=10,463KiB/s, mint=10058msec, maxt=15413msec

Disk stats (read/write):
  sda: ios=2011/1315, merge=735/69603, ticks=22328/1307116, in_queue=1331136, util=98.29%
2.27user 1.17system 0:15.75elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2449minor)pagefaults 0swaps