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: [FFm] [30.0% done] [  3868/ 10208 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [30.8% done] [  2324/     0 kb/s] [eta 00m:09s]
Threads: 3: [FFm] [38.5% done] [  1984/  9824 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [54.5% done] [  1548/ 17000 kb/s] [eta 00m:05s]
Threads: 3: [FFm] [63.6% done] [  1220/ 14724 kb/s] [eta 00m:04s]
Threads: 3: [FFm] [61.5% done] [  1304/     0 kb/s] [eta 00m:05s]
Threads: 3: [FFF] [100.0% done] [   368/  7524 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] [68.2% done] [   440/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [69.6% done] [ 18176/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [73.9% done] [ 30316/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [81.8% done] [ 30584/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [90.5% done] [ 30284/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [95.2% done] [ 30752/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 34056/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 34620/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 23272/     0 kb/s] [eta 00m:00s]
Threads: 2: [VV_] [100.0% done] [ 33816/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=3071
  read : io=100MiB, bw=4,217KiB/s, runt= 24861msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  542, avg=49.10, stdev=84.44
    bw (KiB/s) : min=    6, max=16859, per=74.89%, avg=9451.37, stdev=4904.96
  write: io=95,620KiB, bw=6,411KiB/s, runt= 15272msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  118, avg= 0.71, stdev= 5.41
    bw (KiB/s) : min=    0, max=111425, per=300.73%, avg=55712.50, stdev=78789.37
  cpu          : usr=3.14%, sys=1.71%, ctx=5430
  IO depths    : 1=1.7%, 2=56.2%, 4=30.4%, 8=11.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.3%, 4=0.9%, 10=22.4%, 20=11.1%, 50=5.1%, 100=0.9%
     lat (msec): 250=8.6%, 500=1.6%, 750=0.1%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=3072
  read : io=100MiB, bw=4,206KiB/s, runt= 24926msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  943, avg=52.07, stdev=97.37
    bw (KiB/s) : min=    6, max=22373, per=63.10%, avg=7963.36, stdev=6767.87
  write: io=98,676KiB, bw=6,612KiB/s, runt= 15280msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  199, avg= 1.11, stdev=10.93
    bw (KiB/s) : min=    0, max=54717, per=130.77%, avg=24226.00, stdev=27891.31
  cpu          : usr=3.53%, sys=1.52%, ctx=5942
  IO depths    : 1=6.2%, 2=49.3%, 4=31.5%, 8=12.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=48.9%, 4=0.7%, 10=18.4%, 20=13.1%, 50=6.6%, 100=2.2%
     lat (msec): 250=8.4%, 500=1.2%, 750=0.2%, 1000=0.2%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=3073
  read : io=100MiB, bw=4,276KiB/s, runt= 24517msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  614, avg=82.23, stdev=116.35
    bw (KiB/s) : min=    5, max=23007, per=43.83%, avg=5531.61, stdev=5462.26
  write: io=82,148KiB, bw=5,506KiB/s, runt= 15276msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  391, avg= 2.93, stdev=23.36
    bw (KiB/s) : min=    0, max=16025, per=45.10%, avg=8354.75, stdev=6555.96
  cpu          : usr=3.00%, sys=1.55%, ctx=5451
  IO depths    : 1=1.2%, 2=50.2%, 4=29.0%, 8=19.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=43.4%, 4=1.9%, 10=13.8%, 20=14.2%, 50=8.3%, 100=1.4%
     lat (msec): 250=10.4%, 500=6.0%, 750=0.3%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,620KiB/s, minb=4,206KiB/s, maxb=4,276KiB/s, mint=24517msec, maxt=24926msec
  WRITE: io=270MiB, aggrb=18,526KiB/s, minb=5,506KiB/s, maxb=6,612KiB/s, mint=24517msec, maxt=24926msec

Disk stats (read/write):
  sda: ios=3580/2140, merge=1406/66755, ticks=78536/2059260, in_queue=2158488, util=99.06%
2.44user 1.24system 0:25.20elapsed 14%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2470minor)pagefaults 0swaps