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: [mmm] [9.7% done] [ 10744/ 15964 kb/s] [eta 00m:28s]
Threads: 3: [Fmm] [26.7% done] [  6032/ 89056 kb/s] [eta 00m:11s]
Threads: 3: [Fmm] [29.4% done] [  7028/     0 kb/s] [eta 00m:12s]
Threads: 3: [FFm] [30.0% done] [  2521/     0 kb/s] [eta 00m:14s]
Threads: 3: [FFm] [30.4% done] [   996/   584 kb/s] [eta 00m:16s]
Threads: 3: [FFm] [30.8% done] [   940/   752 kb/s] [eta 00m:18s]
Threads: 3: [FFF] [100.0% done] [   472/ 54748 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VFF] [73.3% done] [  4488/     0 kb/s] [eta 00m:04s]
Threads: 3: [VFF] [75.0% done] [  7852/     0 kb/s] [eta 00m:04s]
Threads: 3: [VFF] [81.2% done] [  4764/     0 kb/s] [eta 00m:03s]
Threads: 3: [VFF] [82.4% done] [  6000/     0 kb/s] [eta 00m:03s]
Threads: 3: [VFF] [88.2% done] [  8456/     0 kb/s] [eta 00m:02s]
Threads: 3: [VFF] [94.1% done] [  6072/     0 kb/s] [eta 00m:01s]
Threads: 3: [VFF] [100.0% done] [  6220/     0 kb/s] [eta 00m:00s]
Threads: 3: [VFF] [100.0% done] [ 15471/     0 kb/s] [eta 00m:00s]
Threads: 3: [VFF] [100.0% done] [ 11344/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [69.0% done] [ 16840/     0 kb/s] [eta 00m:09s]
Threads: 2: [EVV] [67.7% done] [ 17968/     0 kb/s] [eta 00m:10s]
Threads: 2: [_VV] [78.6% done] [ 27656/     0 kb/s] [eta 00m:06s]
Threads: 2: [_VV] [88.5% done] [ 24600/     0 kb/s] [eta 00m:03s]
Threads: 2: [_VV] [100.0% done] [ 31656/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VV] [100.0% done] [ 30868/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VV] [100.0% done] [ 21424/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=2923
  read : io=100MiB, bw=4,901KiB/s, runt= 21391msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  455, avg=64.41, stdev=84.95
    bw (KiB/s) : min=   12, max=20840, per=60.39%, avg=6987.22, stdev=5145.16
  write: io=91,112KiB, bw=8,851KiB/s, runt= 10540msec
    slat (msec): min=    0, max=    1, avg= 0.00, stdev= 0.03
    clat (msec): min=    0, max=  351, avg= 1.96, stdev=18.83
    bw (KiB/s) : min=    0, max=28229, per=118.83%, avg=15447.00, stdev=14301.95
  cpu          : usr=3.50%, sys=1.68%, ctx=5018
  IO depths    : 1=2.5%, 2=52.8%, 4=30.2%, 8=14.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=48.6%, 4=0.3%, 10=16.3%, 20=7.5%, 50=7.7%, 100=6.1%
     lat (msec): 250=10.4%, 500=2.9%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=2924
  read : io=100MiB, bw=3,887KiB/s, runt= 26890msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  528, avg=56.39, stdev=75.13
    bw (KiB/s) : min=    0, max=21440, per=67.38%, avg=7796.78, stdev=7113.76
  write: io=85,604KiB, bw=4,358KiB/s, runt= 20112msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  169, avg= 0.94, stdev= 8.76
    bw (KiB/s) : min=    0, max=17294, per=66.52%, avg=8647.00, stdev=12228.70
  cpu          : usr=2.92%, sys=1.68%, ctx=6856
  IO depths    : 1=14.8%, 2=32.7%, 4=30.6%, 8=21.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=41.9%, 4=0.8%, 10=10.7%, 20=12.9%, 50=17.2%, 100=3.4%
     lat (msec): 250=10.8%, 500=1.9%, 750=0.1%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=2925
  read : io=100MiB, bw=3,861KiB/s, runt= 27157msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 1086, avg=69.70, stdev=138.46
    bw (KiB/s) : min=    8, max=26307, per=55.08%, avg=6373.21, stdev=7346.21
  write: io=78,600KiB, bw=4,001KiB/s, runt= 20112msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  719, avg= 6.36, stdev=51.71
    bw (KiB/s) : min=    0, max= 8148, per=17.97%, avg=2336.25, stdev=3885.49
  cpu          : usr=2.64%, sys=1.53%, ctx=5906
  IO depths    : 1=1.4%, 2=50.9%, 4=29.6%, 8=18.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=43.8%, 4=2.4%, 10=14.8%, 20=16.2%, 50=8.6%, 100=1.4%
     lat (msec): 250=8.7%, 500=2.4%, 750=0.8%, 1000=0.7%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=11,571KiB/s, minb=3,861KiB/s, maxb=4,901KiB/s, mint=21391msec, maxt=27157msec
  WRITE: io=249MiB, aggrb=12,999KiB/s, minb=4,001KiB/s, maxb=8,851KiB/s, mint=21391msec, maxt=27157msec

Disk stats (read/write):
  sda: ios=4135/1966, merge=1295/61833, ticks=87600/2027800, in_queue=2115404, util=98.60%
2.31user 1.30system 0:27.48elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2470minor)pagefaults 0swaps