fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmm] [10.0% done] [ 11152/  4788 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [13.3% done] [ 10008/  5744 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [16.7% done] [  5120/ 13168 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [20.7% done] [  4508/  9312 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [22.6% done] [ 11108/  2652 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [25.0% done] [ 10268/  3156 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [25.7% done] [  2376/ 10384 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [27.8% done] [ 10956/  2896 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [29.7% done] [  9000/  1988 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [31.6% done] [  8828/  5072 kb/s] [eta 00m:26s]
Threads: 3: [mmm] [34.2% done] [ 10816/   100 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [36.8% done] [  8732/  3888 kb/s] [eta 00m:24s]
Threads: 3: [mmm] [39.5% done] [  4584/  5676 kb/s] [eta 00m:23s]
Threads: 3: [mmm] [42.1% done] [  7460/  3364 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [43.6% done] [  5176/  4332 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [45.0% done] [  4644/  4400 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [46.3% done] [  6168/  2184 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [48.8% done] [  5800/  2672 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [50.0% done] [  1860/  7256 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [51.2% done] [  5468/  1896 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [53.5% done] [  6648/     0 kb/s] [eta 00m:20s]
Threads: 3: [mmV] [54.5% done] [  2176/  4744 kb/s] [eta 00m:20s]
Threads: 3: [mVV] [54.3% done] [ 13660/   264 kb/s] [eta 00m:21s]
Threads: 3: [mVV] [55.3% done] [ 15424/   812 kb/s] [eta 00m:21s]
Threads: 3: [mVV] [55.1% done] [ 17808/   244 kb/s] [eta 00m:22s]
Threads: 3: [mVV] [56.0% done] [ 15920/   144 kb/s] [eta 00m:22s]
Threads: 2: [m_V] [55.8% done] [ 15976/   204 kb/s] [eta 00m:23s]
Threads: 1: [m__] [58.8% done] [  7368/   912 kb/s] [eta 00m:21s]
Threads: 1: [m__] [64.6% done] [  8028/     0 kb/s] [eta 00m:17s]
Threads: 1: [V__] [69.6% done] [  9164/     0 kb/s] [eta 00m:14s]
Threads: 1: [V__] [82.9% done] [ 18356/     0 kb/s] [eta 00m:07s]
fio: (groupid=0): err= 0: pid=18286
  read : io=100MiB, bw=3,032KiB/s, runt= 34573msec
    clat (msec): min=    0, max=  282, avg=12.44, stdev=22.80
    bw (KiB/s) : min=   17, max=18669, per=37.74%, avg=3433.37, stdev=4255.43
  write: io=34,372KiB, bw=1,080KiB/s, runt= 32582msec
    clat (msec): min=    0, max=  491, avg=26.93, stdev=62.87
    bw (KiB/s) : min=    0, max= 7424, per=47.39%, avg=1739.80, stdev=2128.24
  cpu          : usr=2.60%, sys=0.24%, ctx=2104
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=29.7%, 4=11.9%, 10=28.4%, 20=11.2%, 50=11.3%, 100=4.2%
     lat (msec): 250=2.8%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=18287
  read : io=100MiB, bw=3,551KiB/s, runt= 29525msec
    clat (msec): min=    0, max=  241, avg=13.83, stdev=18.44
    bw (KiB/s) : min=   48, max=13079, per=42.24%, avg=3843.00, stdev=2335.94
  write: io=32,764KiB, bw=1,360KiB/s, runt= 24654msec
    clat (msec): min=    0, max=  185, avg=10.76, stdev=26.53
    bw (KiB/s) : min=    0, max= 7864, per=88.63%, avg=3253.47, stdev=2997.18
  cpu          : usr=3.17%, sys=0.24%, ctx=2121
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=29.1%, 4=7.6%, 10=21.6%, 20=22.0%, 50=15.3%, 100=2.7%
     lat (msec): 250=1.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=18288
  read : io=100MiB, bw=3,465KiB/s, runt= 30257msec
    clat (msec): min=    0, max=  153, avg=11.18, stdev=18.68
    bw (KiB/s) : min=    3, max=14125, per=43.59%, avg=3965.40, stdev=3568.68
  write: io=49,684KiB, bw=2,199KiB/s, runt= 23129msec
    clat (msec): min=    0, max=  335, avg=10.35, stdev=25.87
    bw (KiB/s) : min=    0, max= 8260, per=78.94%, avg=2897.83, stdev=2805.00
  cpu          : usr=3.52%, sys=0.33%, ctx=2520
  IO depths    : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=43.7%, 4=7.5%, 10=19.1%, 20=13.1%, 50=12.1%, 100=3.1%
     lat (msec): 250=1.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=9,098KiB/s, minb=3,032KiB/s, maxb=3,551KiB/s, mint=29525msec, maxt=34573msec
  WRITE: io=114MiB, aggrb=3,671KiB/s, minb=1,080KiB/s, maxb=2,199KiB/s, mint=29525msec, maxt=34573msec

Disk stats (read/write):
  sda: ios=5516/2202, merge=807/224, ticks=83240/46656, in_queue=129896, util=98.58%
2.90user 0.37system 0:34.87elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+1070minor)pagefaults 0swaps