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] [15.0% done] [ 26444/  6756 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [22.2% done] [ 12656/ 15272 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [27.8% done] [ 19788/  9608 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [33.3% done] [ 27012/  3992 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [36.8% done] [ 13056/ 12784 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [44.4% done] [ 17344/ 12992 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [50.0% done] [ 19460/ 12024 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [52.6% done] [  9680/  1960 kb/s] [eta 00m:09s]
Threads: 3: [Fmm] [57.9% done] [  2648/  6448 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [57.1% done] [  4588/  1412 kb/s] [eta 00m:09s]
Threads: 3: [Fmm] [59.1% done] [  4212/  2864 kb/s] [eta 00m:09s]
Threads: 3: [FmF] [63.6% done] [  4612/   732 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [68.2% done] [  1568/  3416 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [     0/  2076 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]
Threads: 2: [_FF] [100.0% done] [ 44760/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=12216
  read : io=100MiB, bw=5,535KiB/s, runt= 18943msec
    clat (msec): min=    0, max=  264, avg= 2.91, stdev=23.12
    bw (KiB/s) : min=   10, max=14287, per=43.50%, avg=6586.00, stdev=6128.41
  write: io=44,760KiB, bw=2,453KiB/s, runt= 18684msec
    clat (msec): min=    0, max=  896, avg= 5.02, stdev=40.29
    bw (KiB/s) : min=    0, max=18849, per=108.99%, avg=5660.07, stdev=6611.61
  cpu          : usr=5.24%, sys=1.08%, ctx=1204
  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=93.8%, 4=0.7%, 10=2.2%, 20=1.6%, 50=0.1%, 100=0.0%
     lat (msec): 250=1.3%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12217
  read : io=100MiB, bw=5,047KiB/s, runt= 20776msec
    clat (msec): min=    0, max=  293, avg= 5.21, stdev=25.85
    bw (KiB/s) : min=    7, max=16236, per=31.45%, avg=4762.32, stdev=4325.54
  write: io=37,256KiB, bw=1,855KiB/s, runt= 20563msec
    clat (msec): min=    0, max=  340, avg= 9.26, stdev=32.86
    bw (KiB/s) : min=    0, max= 9477, per=65.38%, avg=3395.39, stdev=3205.04
  cpu          : usr=4.74%, sys=1.21%, ctx=4929
  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=78.4%, 4=2.3%, 10=7.1%, 20=8.3%, 50=1.0%, 100=0.6%
     lat (msec): 250=2.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12218
  read : io=100MiB, bw=5,071KiB/s, runt= 20674msec
    clat (msec): min=    0, max=  276, avg= 5.30, stdev=26.75
    bw (KiB/s) : min=    6, max=16195, per=40.91%, avg=6193.84, stdev=5718.85
  write: io=22,284KiB, bw=1,110KiB/s, runt= 20543msec
    clat (msec): min=    0, max=  282, avg= 8.42, stdev=34.46
    bw (KiB/s) : min=    0, max=11935, per=57.05%, avg=2962.83, stdev=3856.46
  cpu          : usr=4.60%, sys=0.85%, ctx=3612
  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=81.7%, 4=1.4%, 10=7.3%, 20=6.0%, 50=1.0%, 100=0.0%
     lat (msec): 250=2.2%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,141KiB/s, minb=5,047KiB/s, maxb=5,535KiB/s, mint=18943msec, maxt=20776msec
  WRITE: io=102MiB, aggrb=5,193KiB/s, minb=1,110KiB/s, maxb=2,453KiB/s, mint=18943msec, maxt=20776msec

Disk stats (read/write):
  sda: ios=9577/1227, merge=0/24901, ticks=37012/1482004, in_queue=1519016, util=98.34%
2.92user 0.66system 0:21.06elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9577major+94309minor)pagefaults 0swaps