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] [18.8% done] [ 22880/ 12300 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [26.7% done] [ 17372/ 12488 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [33.3% done] [ 25920/  4036 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [42.9% done] [ 26936/  3988 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [50.0% done] [  9516/ 23408 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [53.3% done] [ 29436/  1144 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [60.0% done] [ 20304/     0 kb/s] [eta 00m:06s]
Threads: 3: [mmm] [58.8% done] [  5672/  2212 kb/s] [eta 00m:07s]
Threads: 3: [mFm] [61.1% done] [  5156/  2712 kb/s] [eta 00m:07s]
Threads: 3: [mFm] [63.2% done] [  5861/     0 kb/s] [eta 00m:07s]
Threads: 3: [mFF] [65.0% done] [  6504/     0 kb/s] [eta 00m:07s]
Threads: 3: [mFF] [66.7% done] [  5636/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [   312/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=25408
  read : io=100MiB, bw=6,024KiB/s, runt= 17406msec
    clat (msec): min=    0, max=  379, avg= 6.96, stdev=31.11
    bw (KiB/s) : min=   27, max=12976, per=35.17%, avg=6088.81, stdev=4395.30
  write: io=17,420KiB, bw=1,031KiB/s, runt= 17300msec
    clat (msec): min=    0, max=  200, avg= 7.10, stdev=28.56
    bw (KiB/s) : min=    0, max=10824, per=106.31%, avg=5428.40, stdev=5176.42
  cpu          : usr=5.12%, sys=0.85%, ctx=3958
  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=78.7%, 4=2.6%, 10=6.2%, 20=8.2%, 50=0.9%, 100=0.8%
     lat (msec): 250=2.2%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=25409
  read : io=100MiB, bw=5,804KiB/s, runt= 18064msec
    clat (msec): min=    0, max=  303, avg= 3.47, stdev=25.04
    bw (KiB/s) : min=    8, max=15949, per=34.74%, avg=6014.71, stdev=5595.61
  write: io=47,044KiB, bw=2,707KiB/s, runt= 17790msec
    clat (msec): min=    0, max=  299, avg= 6.21, stdev=31.72
    bw (KiB/s) : min=    0, max=16092, per=121.33%, avg=6195.08, stdev=5737.56
  cpu          : usr=5.47%, sys=1.31%, ctx=1874
  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=91.0%, 4=1.4%, 10=3.0%, 20=2.2%, 50=0.4%, 100=0.2%
     lat (msec): 250=1.5%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=25410
  read : io=100MiB, bw=5,770KiB/s, runt= 18171msec
    clat (msec): min=    0, max=  312, avg= 5.33, stdev=27.82
    bw (KiB/s) : min=    5, max=16776, per=36.21%, avg=6267.83, stdev=4836.30
  write: io=25,408KiB, bw=1,443KiB/s, runt= 18022msec
    clat (msec): min=    0, max=  286, avg= 8.41, stdev=34.63
    bw (KiB/s) : min=    0, max=12873, per=82.49%, avg=4211.78, stdev=5118.04
  cpu          : usr=5.13%, sys=1.12%, ctx=3058
  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=82.6%, 4=2.4%, 10=5.9%, 20=5.6%, 50=0.7%, 100=0.2%
     lat (msec): 250=2.1%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=17,311KiB/s, minb=5,770KiB/s, maxb=6,024KiB/s, mint=17406msec, maxt=18171msec
  WRITE: io=89,872KiB, aggrb=5,106KiB/s, minb=1,031KiB/s, maxb=2,707KiB/s, mint=17406msec, maxt=18171msec

Disk stats (read/write):
  sda: ios=8708/979, merge=0/21613, ticks=35312/1200528, in_queue=1235840, util=98.50%
2.81user 0.60system 0:18.53elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+100257minor)pagefaults 0swaps