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] [8.6% done] [ 13164/  2648 kb/s] [eta 00m:32s]
Threads: 3: [mmm] [12.5% done] [ 13988/  2360 kb/s] [eta 00m:28s]
Threads: 3: [mmm] [14.7% done] [  6436/ 10936 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [17.6% done] [ 11332/  3312 kb/s] [eta 00m:28s]
Threads: 3: [mmm] [20.0% done] [  9608/  3304 kb/s] [eta 00m:28s]
Threads: 3: [mmm] [21.6% done] [ 11444/  1132 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [25.0% done] [ 12056/  2500 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [26.3% done] [  6592/  5604 kb/s] [eta 00m:28s]
Threads: 3: [mmm] [26.8% done] [  4716/  7896 kb/s] [eta 00m:30s]
Threads: 3: [mmm] [28.6% done] [  6912/  5632 kb/s] [eta 00m:30s]
Threads: 3: [mmm] [31.0% done] [  6216/  5492 kb/s] [eta 00m:29s]
Threads: 3: [mmm] [33.3% done] [  6952/  5180 kb/s] [eta 00m:28s]
Threads: 3: [mmm] [34.9% done] [  4372/  4452 kb/s] [eta 00m:28s]
Threads: 3: [mmm] [37.2% done] [  5192/  5380 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [38.6% done] [  7048/  2256 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [40.0% done] [  2096/  8620 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [41.3% done] [  1048/  8696 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [44.4% done] [  3344/  5204 kb/s] [eta 00m:25s]
Threads: 3: [mVm] [45.7% done] [  4168/  4176 kb/s] [eta 00m:25s]
Threads: 3: [mVm] [45.8% done] [ 16836/   588 kb/s] [eta 00m:26s]
Threads: 3: [mVm] [46.0% done] [ 14324/     4 kb/s] [eta 00m:27s]
Threads: 3: [mVm] [47.1% done] [ 15752/  1096 kb/s] [eta 00m:27s]
Threads: 2: [mEm] [49.0% done] [ 14284/  3596 kb/s] [eta 00m:26s]
Threads: 2: [m_m] [53.1% done] [  7172/   184 kb/s] [eta 00m:23s]
Threads: 2: [m_m] [56.2% done] [  2748/  5572 kb/s] [eta 00m:21s]
Threads: 2: [m_V] [57.1% done] [  6696/  1748 kb/s] [eta 00m:21s]
Threads: 2: [m_V] [56.9% done] [ 15740/     0 kb/s] [eta 00m:22s]
Threads: 2: [m_V] [58.8% done] [ 13172/  1212 kb/s] [eta 00m:21s]
Threads: 1: [m__] [62.7% done] [  9145/    66 kb/s] [eta 00m:19s]
Threads: 1: [V__] [67.3% done] [  7764/     0 kb/s] [eta 00m:16s]
Threads: 1: [V__] [81.0% done] [ 18248/     0 kb/s] [eta 00m:08s]
Threads: 1: [V__] [89.7% done] [ 16148/     0 kb/s] [eta 00m:04s]
fio: (groupid=0): err= 0: pid=14109
  read : io=100MiB, bw=2,979KiB/s, runt= 35196msec
    clat (msec): min=    0, max=  244, avg=12.60, stdev=23.90
    bw (KiB/s) : min=    1, max=19588, per=40.68%, avg=3635.37, stdev=4503.01
  write: io=36,764KiB, bw=1,141KiB/s, runt= 32966msec
    clat (msec): min=    0, max=  639, avg=22.50, stdev=64.64
    bw (KiB/s) : min=    0, max= 6897, per=41.90%, avg=1730.64, stdev=1999.27
  cpu          : usr=2.70%, sys=0.23%, ctx=2228
  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=34.7%, 4=10.4%, 10=25.7%, 20=11.4%, 50=10.3%, 100=4.1%
     lat (msec): 250=2.9%, 500=0.2%, 750=0.1%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14110
  read : io=100MiB, bw=4,136KiB/s, runt= 25349msec
    clat (msec): min=    0, max=   79, avg= 7.98, stdev=11.34
    bw (KiB/s) : min=    5, max=20447, per=66.46%, avg=5939.90, stdev=5781.24
  write: io=59,908KiB, bw=2,905KiB/s, runt= 21113msec
    clat (msec): min=    0, max=  191, avg= 9.25, stdev=21.37
    bw (KiB/s) : min=    0, max= 7705, per=99.16%, avg=4095.48, stdev=2755.40
  cpu          : usr=4.15%, sys=0.55%, ctx=2705
  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=50.3%, 4=5.6%, 10=16.8%, 20=14.1%, 50=10.4%, 100=2.2%
     lat (msec): 250=0.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14111
  read : io=100MiB, bw=3,373KiB/s, runt= 31083msec
    clat (msec): min=    0, max=  207, avg=12.59, stdev=16.91
    bw (KiB/s) : min=    3, max=16172, per=43.65%, avg=3900.70, stdev=3726.05
  write: io=36,296KiB, bw=1,321KiB/s, runt= 28124msec
    clat (msec): min=    0, max=  172, avg=13.24, stdev=29.75
    bw (KiB/s) : min=    0, max= 9031, per=64.18%, avg=2650.63, stdev=2955.29
  cpu          : usr=2.99%, sys=0.35%, ctx=2285
  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=32.4%, 4=7.1%, 10=22.2%, 20=18.5%, 50=14.8%, 100=3.4%
     lat (msec): 250=1.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=8,937KiB/s, minb=2,979KiB/s, maxb=4,136KiB/s, mint=25349msec, maxt=35196msec
  WRITE: io=130MiB, aggrb=4,130KiB/s, minb=1,141KiB/s, maxb=2,905KiB/s, mint=25349msec, maxt=35196msec

Disk stats (read/write):
  sda: ios=5534/2689, merge=899/154, ticks=68284/43988, in_queue=112264, util=97.53%
2.94user 0.47system 0:35.96elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+1065minor)pagefaults 0swaps