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] [13.0% done] [ 18888/  8560 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [19.0% done] [ 29512/  4556 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [26.3% done] [  4716/ 24168 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [33.3% done] [ 12056/ 10336 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [38.9% done] [ 22900/ 10692 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [44.4% done] [ 18693/  9452 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [50.0% done] [ 12775/  8522 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [58.8% done] [ 13051/  5424 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [61.1% done] [  1259/  4851 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [63.2% done] [  3616/  2434 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [61.9% done] [  2003/  4100 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [66.7% done] [  2413/  2897 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [65.2% done] [  1974/   203 kb/s] [eta 00m:08s]
Threads: 2: [_Fm] [66.7% done] [ 33288/     0 kb/s] [eta 00m:08s]
Threads: 2: [_Fm] [65.4% done] [     0/     0 kb/s] [eta 00m:09s]
Threads: 1: [__F] [100.0% done] [ 45064/  2202 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=1320
  read : io=100MiB, bw=6,701KiB/s, runt= 15647msec
    clat (msec): min=    0, max=  374, avg= 3.73, stdev=23.16
    bw (KiB/s) : min=   13, max=29784, per=46.05%, avg=7384.72, stdev=7943.88
  write: io=32,768KiB, bw=2,170KiB/s, runt= 15459msec
    clat (msec): min=    0, max=  260, avg= 6.27, stdev=30.90
    bw (KiB/s) : min=    0, max=13018, per=84.49%, avg=5182.91, stdev=5606.08
  cpu          : usr=6.24%, sys=1.05%, ctx=2641
  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=85.8%, 4=2.1%, 10=4.9%, 20=4.7%, 50=0.6%, 100=0.1%
     lat (msec): 250=1.5%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=1321
  read : io=100MiB, bw=5,934KiB/s, runt= 17670msec
    clat (msec): min=    0, max=  558, avg= 4.61, stdev=31.70
    bw (KiB/s) : min=    3, max=15737, per=29.79%, avg=4778.00, stdev=5565.96
  write: io=44,272KiB, bw=2,603KiB/s, runt= 17411msec
    clat (msec): min=    0, max=  364, avg= 6.75, stdev=33.65
    bw (KiB/s) : min=    0, max=11914, per=68.77%, avg=4218.11, stdev=4678.76
  cpu          : usr=5.75%, sys=0.93%, ctx=2676
  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=87.8%, 4=1.8%, 10=4.0%, 20=3.6%, 50=0.4%, 100=0.2%
     lat (msec): 250=1.9%, 500=0.2%, 750=0.1%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=1322
  read : io=100MiB, bw=5,346KiB/s, runt= 19614msec
    clat (msec): min=    0, max= 2751, avg= 6.44, stdev=72.50
    bw (KiB/s) : min=    6, max=13582, per=30.02%, avg=4815.30, stdev=4892.28
  write: io=39,132KiB, bw=2,066KiB/s, runt= 19392msec
    clat (msec): min=    0, max=  456, avg= 9.38, stdev=39.54
    bw (KiB/s) : min=    0, max=12501, per=56.91%, avg=3491.06, stdev=3920.85
  cpu          : usr=4.79%, sys=0.98%, ctx=3057
  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=84.6%, 4=1.7%, 10=5.5%, 20=4.7%, 50=0.7%, 100=0.2%
     lat (msec): 250=2.3%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,038KiB/s, minb=5,346KiB/s, maxb=6,701KiB/s, mint=15647msec, maxt=19614msec
  WRITE: io=113MiB, aggrb=6,134KiB/s, minb=2,066KiB/s, maxb=2,603KiB/s, mint=15647msec, maxt=19614msec

Disk stats (read/write):
  sda: ios=8252/1428, merge=0/27656, ticks=40136/1265588, in_queue=1305724, util=97.13%
2.93user 0.59system 0:20.09elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8252major+98604minor)pagefaults 0swaps