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] [16.7% done] [ 16328/ 11260 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [22.2% done] [ 19300/ 14708 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [29.4% done] [ 18040/ 16760 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [37.5% done] [ 16952/ 23056 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [43.8% done] [ 20447/ 10069 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [50.0% done] [ 14184/  4528 kb/s] [eta 00m:08s]
Threads: 3: [mFm] [52.9% done] [ 12892/  4852 kb/s] [eta 00m:08s]
Threads: 3: [mFm] [55.6% done] [  4500/  2920 kb/s] [eta 00m:08s]
Threads: 3: [mFm] [57.9% done] [  3352/  2280 kb/s] [eta 00m:08s]
Threads: 3: [mFm] [60.0% done] [  2528/  3128 kb/s] [eta 00m:08s]
Threads: 3: [mFF] [65.0% done] [  3568/  3004 kb/s] [eta 00m:07s]
Threads: 3: [mFF] [66.7% done] [  2972/  1488 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  1380/   744 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [ 24852/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_F] [90.5% done] [ 31160/     0 kb/s] [eta 00m:02s]
fio: (groupid=0): err= 0: pid=11637
  read : io=100MiB, bw=5,370KiB/s, runt= 19523msec
    clat (msec): min=    0, max=  245, avg= 3.56, stdev=20.14
    bw (KiB/s) : min=    0, max=11780, per=25.69%, avg=4098.00, stdev=4160.75
  write: io=56,724KiB, bw=3,029KiB/s, runt= 19171msec
    clat (msec): min=    0, max=  226, avg= 9.02, stdev=31.37
    bw (KiB/s) : min=    0, max=14735, per=75.52%, avg=4786.67, stdev=4418.59
  cpu          : usr=6.04%, sys=1.29%, ctx=4822
  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=81.1%, 4=1.7%, 10=6.3%, 20=7.2%, 50=1.1%, 100=0.6%
     lat (msec): 250=1.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=11638
  read : io=100MiB, bw=6,497KiB/s, runt= 16137msec
    clat (msec): min=    0, max=  245, avg= 3.59, stdev=24.85
    bw (KiB/s) : min=    3, max=27049, per=56.04%, avg=8938.81, stdev=8966.29
  write: io=24,852KiB, bw=1,591KiB/s, runt= 15993msec
    clat (msec): min=    0, max=  234, avg= 6.32, stdev=32.28
    bw (KiB/s) : min=    0, max=14776, per=85.54%, avg=5421.71, stdev=5834.82
  cpu          : usr=5.70%, sys=0.79%, ctx=1195
  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=91.6%, 4=1.0%, 10=2.7%, 20=2.6%, 50=0.2%, 100=0.0%
     lat (msec): 250=1.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=11639
  read : io=100MiB, bw=5,317KiB/s, runt= 19721msec
    clat (msec): min=    0, max=  241, avg= 4.40, stdev=24.55
    bw (KiB/s) : min=    7, max=15417, per=33.83%, avg=5396.00, stdev=5424.13
  write: io=38,944KiB, bw=2,048KiB/s, runt= 19469msec
    clat (msec): min=    0, max=  230, avg= 6.38, stdev=29.86
    bw (KiB/s) : min=    0, max=11459, per=71.20%, avg=4512.69, stdev=4812.14
  cpu          : usr=5.25%, sys=1.03%, ctx=3140
  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=85.1%, 4=1.7%, 10=5.7%, 20=4.5%, 50=0.7%, 100=0.1%
     lat (msec): 250=2.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,951KiB/s, minb=5,317KiB/s, maxb=6,497KiB/s, mint=16137msec, maxt=19721msec
  WRITE: io=118MiB, aggrb=6,338KiB/s, minb=1,591KiB/s, maxb=3,029KiB/s, mint=16137msec, maxt=19721msec

Disk stats (read/write):
  sda: ios=8904/1191, merge=0/28990, ticks=32924/1517468, in_queue=1550392, util=98.03%
3.13user 0.62system 0:20.04elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8903major+99031minor)pagefaults 0swaps