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] [8.3% done] [ 17372/  3012 kb/s] [eta 00m:33s]
Threads: 3: [mmm] [11.8% done] [ 14008/  7224 kb/s] [eta 00m:30s]
Threads: 3: [mmm] [14.7% done] [ 11064/  5572 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [16.7% done] [ 14004/  3760 kb/s] [eta 00m:30s]
Threads: 3: [mmm] [17.5% done] [  7864/  8756 kb/s] [eta 00m:33s]
Threads: 3: [mmm] [20.0% done] [  4988/ 10228 kb/s] [eta 00m:32s]
Threads: 3: [mmm] [26.5% done] [  2920/ 13964 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [29.4% done] [  7692/  8620 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [34.4% done] [  2724/ 12784 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [40.0% done] [  8808/  7676 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [44.8% done] [ 12252/  3016 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [45.2% done] [  5284/  7952 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [46.9% done] [  7372/  4504 kb/s] [eta 00m:17s]
Threads: 3: [mVm] [48.5% done] [ 13924/  1120 kb/s] [eta 00m:17s]
Threads: 3: [mVm] [48.6% done] [ 13388/  1324 kb/s] [eta 00m:18s]
Threads: 3: [mVm] [48.6% done] [ 15900/   496 kb/s] [eta 00m:19s]
Threads: 2: [mEm] [51.4% done] [ 11944/  4152 kb/s] [eta 00m:18s]
Threads: 2: [m_m] [54.1% done] [  7484/  3776 kb/s] [eta 00m:17s]
Threads: 2: [m_V] [60.0% done] [   944/  8996 kb/s] [eta 00m:14s]
Threads: 2: [m_V] [62.9% done] [ 14728/   228 kb/s] [eta 00m:13s]
Threads: 2: [m_V] [63.9% done] [ 10684/  2540 kb/s] [eta 00m:13s]
Threads: 1: [V__] [72.7% done] [ 14664/    32 kb/s] [eta 00m:09s]
Threads: 1: [V__] [86.2% done] [ 21184/     0 kb/s] [eta 00m:04s]
Threads: 1: [V__] [100.0% done] [ 22336/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=30543
  read : io=100MiB, bw=3,932KiB/s, runt= 26664msec
    slat (msec): min=    0, max= 2522, avg=667.77, stdev=812.78
    clat (msec): min=    0, max=  966, avg=86.96, stdev=171.17
    bw (KiB/s) : min=  163, max=23389, per=37.55%, avg=4429.97, stdev=6396.35
  write: io=53,356KiB, bw=2,262KiB/s, runt= 24149msec
    slat (msec): min=    0, max=  268, avg= 0.37, stdev= 9.24
    clat (msec): min=    0, max=  962, avg=84.44, stdev=172.98
    bw (KiB/s) : min=    0, max=13451, per=71.41%, avg=3663.92, stdev=4315.96
  cpu          : usr=3.78%, sys=0.32%, ctx=2104
  IO depths    : 1=0.2%, 2=0.4%, 4=4.1%, 8=95.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=12.5%, 4=2.5%, 10=13.3%, 20=20.5%, 50=21.8%, 100=9.2%
     lat (msec): 250=10.3%, 500=4.9%, 750=2.3%, 1000=2.7%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=30544
  read : io=100MiB, bw=5,439KiB/s, runt= 19277msec
    slat (msec): min=    0, max= 3557, avg=733.34, stdev=1070.34
    clat (msec): min=    1, max=  858, avg=63.38, stdev=93.03
    bw (KiB/s) : min=   63, max=17309, per=56.04%, avg=6610.80, stdev=4189.36
  write: io=42,596KiB, bw=2,756KiB/s, runt= 15823msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  845, avg=71.34, stdev=144.77
    bw (KiB/s) : min=    0, max=11631, per=92.88%, avg=4765.56, stdev=3686.40
  cpu          : usr=4.92%, sys=0.27%, ctx=2120
  IO depths    : 1=0.1%, 2=0.2%, 4=1.9%, 8=97.8%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=11.6%, 4=1.4%, 10=10.3%, 20=17.6%, 50=25.8%, 100=15.0%
     lat (msec): 250=12.6%, 500=4.0%, 750=0.9%, 1000=0.6%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=30545
  read : io=100MiB, bw=4,418KiB/s, runt= 23734msec
    slat (msec): min=    0, max= 3438, avg=665.83, stdev=1063.55
    clat (msec): min=    1, max=  846, avg=83.72, stdev=114.96
    bw (KiB/s) : min=   18, max=13620, per=41.28%, avg=4869.23, stdev=3709.31
  write: io=25,060KiB, bw=1,240KiB/s, runt= 20687msec
    slat (msec): min=    0, max=  380, avg= 0.79, stdev=16.85
    clat (msec): min=    0, max=  832, avg=88.74, stdev=148.56
    bw (KiB/s) : min=    0, max= 7283, per=43.93%, avg=2254.11, stdev=2466.57
  cpu          : usr=3.62%, sys=0.24%, ctx=1994
  IO depths    : 1=0.1%, 2=0.3%, 4=3.5%, 8=96.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=7.1%, 4=1.4%, 10=8.9%, 20=16.9%, 50=23.0%, 100=16.2%
     lat (msec): 250=18.1%, 500=6.5%, 750=1.3%, 1000=0.5%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=11,797KiB/s, minb=3,932KiB/s, maxb=5,439KiB/s, mint=19277msec, maxt=26664msec
  WRITE: io=118MiB, aggrb=5,131KiB/s, minb=1,240KiB/s, maxb=2,756KiB/s, mint=19277msec, maxt=26664msec

Disk stats (read/write):
  sda: ios=5342/2390, merge=1046/272, ticks=405440/185532, in_queue=590968, util=99.11%
2.88user 0.30system 0:27.04elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2392minor)pagefaults 0swaps