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: [mmF] [6.5% done] [   154/     0 kb/s] [eta 00m:43s]
Threads: 3: [mmF] [6.7% done] [    24/     0 kb/s] [eta 00m:56s]
Threads: 3: [mmF] [8.3% done] [   328/    44 kb/s] [eta 00m:55s]
Threads: 3: [mFF] [10.0% done] [   100/  3228 kb/s] [eta 00m:54s]
Threads: 3: [mFF] [11.7% done] [     0/     0 kb/s] [eta 00m:53s]
Threads: 3: [mFF] [13.3% done] [   168/     0 kb/s] [eta 00m:52s]
Threads: 3: [mFF] [15.0% done] [   172/     0 kb/s] [eta 00m:51s]
Threads: 3: [mFF] [16.7% done] [     0/     0 kb/s] [eta 00m:50s]
Threads: 3: [mFF] [18.3% done] [   524/     0 kb/s] [eta 00m:49s]
Threads: 3: [mVV] [20.0% done] [  6001/   420 kb/s] [eta 00m:48s]
Threads: 3: [mVV] [21.7% done] [ 31600/     0 kb/s] [eta 00m:47s]
Threads: 3: [mVV] [23.3% done] [ 31040/     0 kb/s] [eta 00m:46s]
Threads: 3: [mVV] [25.0% done] [ 31508/   580 kb/s] [eta 00m:45s]
Threads: 3: [mVV] [26.7% done] [ 33636/   572 kb/s] [eta 00m:44s]
Threads: 3: [mVV] [28.3% done] [ 24132/     0 kb/s] [eta 00m:43s]
Threads: 2: [mVE] [51.4% done] [ 30416/ 60164 kb/s] [eta 00m:17s]
Threads: 1: [m__] [55.9% done] [ 16132/     0 kb/s] [eta 00m:15s]
Threads: 1: [m__] [62.5% done] [  8716/     0 kb/s] [eta 00m:12s]
Threads: 1: [F__] [100.0% done] [  2300/  6720 kb/s] [eta 00m:00s]
Threads: 1: [F__] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [69.7% done] [  2504/     0 kb/s] [eta 00m:10s]
Threads: 1: [V__] [85.7% done] [ 25056/     0 kb/s] [eta 00m:04s]
Threads: 1: [V__] [100.0% done] [ 26156/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=6731
  read : io=100MiB, bw=4,010KiB/s, runt= 26149msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 9310, avg=94.71, stdev=569.65
    bw (KiB/s) : min=    1, max=30208, per=52.35%, avg=6294.39, stdev=9571.23
  write: io=68,456KiB, bw=2,991KiB/s, runt= 23432msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 5870, avg=17.60, stdev=217.57
    bw (KiB/s) : min=    0, max=19051, per=35.05%, avg=3999.00, stdev=8416.49
  cpu          : usr=2.05%, sys=1.30%, ctx=6247
  IO depths    : 1=0.9%, 2=42.1%, 4=33.2%, 8=23.9%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=38.8%, 4=0.5%, 10=10.8%, 20=12.6%, 50=30.5%, 100=2.4%
     lat (msec): 250=1.4%, 500=1.0%, 750=0.5%, 1000=0.2%, >=2000=0.7%
fio: (groupid=0): err= 0: pid=6732
  read : io=100MiB, bw=5,593KiB/s, runt= 18744msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 3044, avg=48.71, stdev=173.71
    bw (KiB/s) : min=    4, max=23560, per=75.19%, avg=9040.42, stdev=7059.65
  write: io=96,288KiB, bw=8,381KiB/s, runt= 11764msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 2187, avg= 4.55, stdev=80.74
    bw (KiB/s) : min=    0, max=115662, per=365.59%, avg=41718.00, stdev=64213.01
  cpu          : usr=4.42%, sys=2.30%, ctx=5062
  IO depths    : 1=1.6%, 2=51.5%, 4=32.6%, 8=14.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=45.9%, 4=1.5%, 10=17.5%, 20=14.4%, 50=10.6%, 100=1.3%
     lat (msec): 250=7.4%, 500=0.8%, 750=0.0%, 1000=0.1%, >=2000=0.1%
fio: (groupid=0): err= 0: pid=6733
  read : io=100MiB, bw=5,700KiB/s, runt= 18366msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  413, avg=36.50, stdev=56.37
    bw (KiB/s) : min=    1, max=22024, per=97.53%, avg=11725.87, stdev=7051.35
  write: io=96,372KiB, bw=8,414KiB/s, runt= 11728msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   99, avg= 0.65, stdev= 5.57
    bw (KiB/s) : min=    0, max=52305, per=229.19%, avg=26152.50, stdev=36985.22
  cpu          : usr=4.09%, sys=2.35%, ctx=5026
  IO depths    : 1=1.4%, 2=55.6%, 4=30.1%, 8=12.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.0%, 4=0.2%, 10=19.2%, 20=15.6%, 50=5.2%, 100=2.4%
     lat (msec): 250=7.5%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,023KiB/s, minb=4,010KiB/s, maxb=5,700KiB/s, mint=18366msec, maxt=26149msec
  WRITE: io=255MiB, aggrb=11,411KiB/s, minb=2,991KiB/s, maxb=8,414KiB/s, mint=18366msec, maxt=26149msec

Disk stats (read/write):
  sda: ios=4019/2511, merge=939/62584, ticks=77808/1586540, in_queue=1672256, util=97.84%
2.18user 1.26system 0:26.73elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2467minor)pagefaults 0swaps