fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmm] [11.5% done] [ 10994/  6418 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [15.4% done] [ 15420/  4644 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [19.2% done] [ 10276/  7968 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [24.0% done] [ 14164/  3524 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [25.9% done] [ 11796/  3888 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [29.6% done] [  7584/  6556 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [32.1% done] [ 10596/  4120 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [34.5% done] [ 12156/  4032 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [36.7% done] [  9472/  5764 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [40.0% done] [ 11160/  4024 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [43.3% done] [  9280/  4620 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [45.2% done] [  9840/  4076 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [48.4% done] [ 11332/   668 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [51.6% done] [ 11028/  1332 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [53.1% done] [  4744/  4576 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [56.2% done] [  3812/  6368 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [57.6% done] [  4428/  6048 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [60.6% done] [  7536/  1056 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [63.6% done] [  7300/  2192 kb/s] [eta 00m:12s]
Threads: 3: [VVV] [68.8% done] [ 11976/     0 kb/s] [eta 00m:10s]
Threads: 3: [VVV] [71.9% done] [ 19120/     0 kb/s] [eta 00m:09s]
Threads: 3: [VVV] [75.0% done] [ 15856/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [78.1% done] [ 18336/     0 kb/s] [eta 00m:07s]
Threads: 2: [V_V] [83.9% done] [ 21324/     0 kb/s] [eta 00m:05s]
fio: (groupid=0): err= 0: pid=26876
  read : io=100MiB, bw=3,930KiB/s, runt= 26675msec
    slat (msec): min=    0, max= 4722, avg=771.74, stdev=1401.97
    clat (msec): min=    0, max=  569, avg=83.86, stdev=80.47
    bw (KiB/s) : min=  325, max=10427, per=36.43%, avg=4242.93, stdev=2468.14
  write: io=34,012KiB, bw=1,588KiB/s, runt= 21930msec
    slat (msec): min=    0, max=    3, avg= 0.06, stdev= 0.29
    clat (msec): min=    0, max=  884, avg=137.02, stdev=129.52
    bw (KiB/s) : min=    0, max= 5541, per=53.68%, avg=2233.20, stdev=1544.05
  cpu          : usr=3.67%, sys=0.22%, ctx=1788
  IO depths    : 1=0.1%, 2=0.2%, 4=12.4%, 8=87.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.1%, 4=0.3%, 10=3.6%, 20=13.6%, 50=24.6%, 100=21.7%
     lat (msec): 250=29.0%, 500=6.2%, 750=0.5%, 1000=0.1%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=26877
  read : io=100MiB, bw=4,052KiB/s, runt= 25874msec
    slat (msec): min=    0, max= 6190, avg=1012.83, stdev=1892.90
    clat (msec): min=    3, max=  437, avg=89.10, stdev=71.94
    bw (KiB/s) : min=   49, max= 8666, per=38.07%, avg=4433.69, stdev=2534.26
  write: io=25,504KiB, bw=1,323KiB/s, runt= 19736msec
    slat (msec): min=    0, max=    4, avg= 0.11, stdev= 0.45
    clat (msec): min=    0, max=  574, avg=104.84, stdev=93.49
    bw (KiB/s) : min=    0, max= 5531, per=58.37%, avg=2428.11, stdev=2145.94
  cpu          : usr=3.14%, sys=0.20%, ctx=1744
  IO depths    : 1=0.1%, 2=0.2%, 4=10.5%, 8=89.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.5%, 4=0.1%, 10=2.6%, 20=9.7%, 50=21.9%, 100=29.9%
     lat (msec): 250=30.8%, 500=4.0%, 750=0.2%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=26878
  read : io=100MiB, bw=3,882KiB/s, runt= 27008msec
    slat (msec): min=    0, max= 5830, avg=1201.62, stdev=1961.97
    clat (msec): min=    2, max=  570, avg=88.98, stdev=79.08
    bw (KiB/s) : min=    3, max=10204, per=36.31%, avg=4229.00, stdev=2596.08
  write: io=29,596KiB, bw=1,432KiB/s, runt= 21160msec
    slat (msec): min=    0, max=    3, avg= 0.06, stdev= 0.31
    clat (msec): min=    0, max=  681, avg=103.24, stdev=98.52
    bw (KiB/s) : min=    0, max= 6967, per=61.67%, avg=2565.57, stdev=2243.40
  cpu          : usr=3.42%, sys=0.31%, ctx=1888
  IO depths    : 1=0.1%, 2=0.2%, 4=11.0%, 8=88.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=0.2%, 4=0.4%, 10=3.2%, 20=11.0%, 50=22.4%, 100=28.2%
     lat (msec): 250=28.6%, 500=5.4%, 750=0.3%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=11,647KiB/s, minb=3,882KiB/s, maxb=4,052KiB/s, mint=25874msec, maxt=27008msec
  WRITE: io=89,112KiB, aggrb=4,160KiB/s, minb=1,323KiB/s, maxb=1,588KiB/s, mint=25874msec, maxt=27008msec

Disk stats (read/write):
  sda: ios=5145/1574, merge=1440/403, ticks=479012/202468, in_queue=682632, util=99.59%
2.78user 0.27system 0:27.26elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2377minor)pagefaults 0swaps