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: [mFF] [11.1% done] [  1760/     0 kb/s] [eta 00m:24s]
Threads: 3: [mFF] [40.0% done] [  1925/ 37616 kb/s] [eta 00m:06s]
Threads: 3: [mFF] [62.5% done] [  1008/ 28195 kb/s] [eta 00m:03s]
Threads: 3: [FFF] [100.0% done] [     0/ 15308 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: 2: [FEF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [82.4% done] [ 20889/     0 kb/s] [eta 00m:03s]
Threads: 1: [V__] [100.0% done] [ 33201/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=25366
  read : io=100MiB, bw=6,317KiB/s, runt= 16598msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  694, avg=33.01, stdev=88.20
    bw (KiB/s) : min=    6, max=34586, per=187.25%, avg=11828.67, stdev=13066.65
  write: io=82,992KiB, bw=6,265KiB/s, runt= 13564msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  587, avg= 2.73, stdev=28.84
    bw (KiB/s) : min=    0, max=36677, per=56.70%, avg=12319.00, stdev=21095.11
  cpu          : usr=4.36%, sys=2.51%, ctx=3987
  IO depths    : 1=3.5%, 2=58.2%, 4=26.9%, 8=11.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.3%, 4=0.1%, 10=15.6%, 20=20.9%, 50=7.3%, 100=4.1%
     lat (msec): 250=0.7%, 500=1.0%, 750=0.9%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=25367
  read : io=0KiB, bw=0KiB/s, runt= 13591msec
  write: io=100MiB, bw=7,739KiB/s, runt= 13548msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=    3, avg= 0.21, stdev= 0.44
    bw (KiB/s) : min=    0, max=127442, per=293.29%, avg=63721.00, stdev=90115.10
  cpu          : usr=6.03%, sys=2.21%, ctx=2967
  IO depths    : 1=0.3%, 2=98.0%, 4=1.7%, 8=0.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=98.3%, 4=1.0%, 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=25368
  read : io=0KiB, bw=0KiB/s, runt= 13605msec
  write: io=100MiB, bw=7,732KiB/s, runt= 13560msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=    3, avg= 0.25, stdev= 0.55
    bw (KiB/s) : min=    0, max=110403, per=254.08%, avg=55201.50, stdev=78066.71
  cpu          : usr=6.88%, sys=2.09%, ctx=3158
  IO depths    : 1=1.0%, 2=98.0%, 4=1.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=95.9%, 4=3.6%, 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=100MiB, aggrb=6,317KiB/s, minb=0KiB/s, maxb=6,317KiB/s, mint=13591msec, maxt=16598msec
  WRITE: io=281MiB, aggrb=21,726KiB/s, minb=6,265KiB/s, maxb=7,739KiB/s, mint=13591msec, maxt=16598msec

Disk stats (read/write):
  sda: ios=602/1751, merge=3545/69924, ticks=20732/1781228, in_queue=1820260, util=96.06%
2.54user 1.05system 0:17.26elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2439minor)pagefaults 0swaps