fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmm] [15.8% done] [ 20121/ 12473 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [22.2% done] [ 22728/  6825 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [27.8% done] [ 11866/ 18526 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [37.5% done] [ 17746/  8302 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [41.2% done] [  8735/ 12500 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [50.0% done] [ 15104/ 12650 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [56.2% done] [ 17170/ 10153 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [58.8% done] [ 15340/  9700 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [61.1% done] [  4454/  3044 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [63.2% done] [  6522/  1571 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [65.0% done] [  7002/   460 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [66.7% done] [  5466/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [   413/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [ 34020/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VF] [74.1% done] [  7994/     0 kb/s] [eta 00m:07s]
fio: (groupid=0): err= 0: pid=5220
  read : io=100MiB, bw=6,057KiB/s, runt= 17311msec
    clat (msec): min=    0, max=  319, avg= 4.30, stdev=28.56
    bw (KiB/s) : min=   14, max=13774, per=40.21%, avg=6035.16, stdev=5252.76
  write: io=34,552KiB, bw=2,067KiB/s, runt= 17111msec
    clat (msec): min=    0, max=  788, avg= 8.09, stdev=50.16
    bw (KiB/s) : min=    0, max=12962, per=72.37%, avg=4660.69, stdev=5172.77
  cpu          : usr=5.48%, sys=1.02%, ctx=1818
  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=89.6%, 4=1.4%, 10=3.4%, 20=3.2%, 50=0.3%, 100=0.0%
     lat (msec): 250=1.3%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5221
  read : io=100MiB, bw=5,026KiB/s, runt= 20862msec
    clat (msec): min=    0, max=  302, avg= 5.31, stdev=28.30
    bw (KiB/s) : min=   24, max=11648, per=29.26%, avg=4391.25, stdev=3989.46
  write: io=43,620KiB, bw=2,167KiB/s, runt= 20612msec
    clat (msec): min=    0, max=  325, avg= 9.30, stdev=36.62
    bw (KiB/s) : min=    0, max=15458, per=76.94%, avg=4954.69, stdev=5143.66
  cpu          : usr=4.97%, sys=1.15%, ctx=4093
  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=79.7%, 4=2.2%, 10=7.7%, 20=7.1%, 50=0.7%, 100=0.4%
     lat (msec): 250=1.8%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5222
  read : io=100MiB, bw=5,002KiB/s, runt= 20960msec
    clat (msec): min=    0, max=  309, avg= 4.10, stdev=26.48
    bw (KiB/s) : min=    1, max=11130, per=28.67%, avg=4303.20, stdev=4344.79
  write: io=51,800KiB, bw=2,566KiB/s, runt= 20664msec
    clat (msec): min=    0, max=  334, avg= 6.68, stdev=33.13
    bw (KiB/s) : min=    0, max=16970, per=82.12%, avg=5288.24, stdev=5093.10
  cpu          : usr=5.04%, sys=1.15%, ctx=3202
  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=86.3%, 4=1.4%, 10=5.1%, 20=4.7%, 50=0.5%, 100=0.0%
     lat (msec): 250=1.5%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,008KiB/s, minb=5,002KiB/s, maxb=6,057KiB/s, mint=17311msec, maxt=20960msec
  WRITE: io=127MiB, aggrb=6,440KiB/s, minb=2,067KiB/s, maxb=2,566KiB/s, mint=17311msec, maxt=20960msec

Disk stats (read/write):
  sda: ios=8904/1389, merge=0/31141, ticks=37308/1485312, in_queue=1522616, util=98.02%
3.04user 0.70system 0:21.28elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8904major+101399minor)pagefaults 0swaps