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] [14.3% done] [ 10260/ 11160 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [17.4% done] [  6784/ 12984 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [20.8% done] [ 10352/  7748 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [24.0% done] [  5841/ 12952 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [28.0% done] [ 13324/  3372 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [32.0% done] [ 12300/  4224 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [36.0% done] [  8456/  7243 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [38.5% done] [  8820/  5904 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [40.7% done] [ 11196/   512 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [42.9% done] [  5268/  9328 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [44.8% done] [  7364/  4384 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [46.7% done] [ 10092/     0 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [50.0% done] [  8552/  2592 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [53.3% done] [  5524/  5004 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [54.8% done] [  4352/  5864 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [56.2% done] [  2312/  6980 kb/s] [eta 00m:14s]
Threads: 3: [mVm] [57.6% done] [ 10064/  4944 kb/s] [eta 00m:14s]
Threads: 3: [mVm] [57.1% done] [ 23824/   600 kb/s] [eta 00m:15s]
Threads: 3: [mVm] [56.8% done] [ 25572/     0 kb/s] [eta 00m:16s]
Threads: 2: [m_m] [59.5% done] [  5864/  3296 kb/s] [eta 00m:15s]
Threads: 2: [m_m] [60.5% done] [  4776/  2496 kb/s] [eta 00m:15s]
Threads: 2: [V_m] [61.5% done] [ 11972/  1300 kb/s] [eta 00m:15s]
Threads: 2: [V_m] [62.5% done] [ 15136/    28 kb/s] [eta 00m:15s]
Threads: 1: [__m] [65.0% done] [  7340/     0 kb/s] [eta 00m:14s]
Threads: 1: [__V] [77.1% done] [ 16120/     0 kb/s] [eta 00m:08s]
Threads: 1: [__V] [90.3% done] [ 20044/     0 kb/s] [eta 00m:03s]
fio: (groupid=0): err= 0: pid=25279
  read : io=100MiB, bw=4,059KiB/s, runt= 25827msec
    clat (msec): min=    0, max=  137, avg=10.63, stdev=14.51
    bw (KiB/s) : min=   10, max=17209, per=42.71%, avg=4644.05, stdev=3839.82
  write: io=26,928KiB, bw=1,154KiB/s, runt= 23879msec
    clat (msec): min=    0, max=  227, avg=11.58, stdev=27.54
    bw (KiB/s) : min=    0, max= 6649, per=52.35%, avg=2430.31, stdev=2415.52
  cpu          : usr=3.27%, sys=0.45%, ctx=2210
  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=31.8%, 4=8.3%, 10=23.7%, 20=21.4%, 50=11.5%, 100=2.0%
     lat (msec): 250=1.2%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=25280
  read : io=100MiB, bw=4,839KiB/s, runt= 21666msec
    clat (msec): min=    0, max=   81, avg= 6.73, stdev= 9.44
    bw (KiB/s) : min=   24, max=26515, per=61.08%, avg=6641.37, stdev=8143.41
  write: io=59,460KiB, bw=3,222KiB/s, runt= 18896msec
    clat (msec): min=    0, max=  176, avg= 8.28, stdev=19.87
    bw (KiB/s) : min=    0, max=10817, per=87.20%, avg=4047.80, stdev=3576.24
  cpu          : usr=4.63%, sys=0.76%, ctx=2665
  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=52.4%, 4=7.3%, 10=16.6%, 20=12.0%, 50=9.6%, 100=1.7%
     lat (msec): 250=0.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=25281
  read : io=100MiB, bw=3,624KiB/s, runt= 28928msec
    clat (msec): min=    0, max=  439, avg=10.98, stdev=19.09
    bw (KiB/s) : min=   18, max=21143, per=38.04%, avg=4136.33, stdev=4775.68
  write: io=36,352KiB, bw=1,375KiB/s, runt= 27071msec
    clat (msec): min=    0, max=  177, avg=17.15, stdev=34.15
    bw (KiB/s) : min=    0, max= 9857, per=59.04%, avg=2740.61, stdev=3010.15
  cpu          : usr=3.33%, sys=0.39%, ctx=2199
  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=30.9%, 4=9.4%, 10=25.8%, 20=17.5%, 50=11.0%, 100=3.0%
     lat (msec): 250=2.2%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=10,874KiB/s, minb=3,624KiB/s, maxb=4,839KiB/s, mint=21666msec, maxt=28928msec
  WRITE: io=120MiB, aggrb=4,642KiB/s, minb=1,154KiB/s, maxb=3,222KiB/s, mint=21666msec, maxt=28928msec

Disk stats (read/write):
  sda: ios=5263/2253, merge=791/231, ticks=54728/51156, in_queue=105880, util=98.34%
2.82user 0.44system 0:29.26elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+1060minor)pagefaults 0swaps