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] [13.6% done] [ 11792/ 13196 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [20.0% done] [  8108/ 20676 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [26.3% done] [ 22256/  3328 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [31.6% done] [ 28052/  5304 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [36.8% done] [ 21564/  4012 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [42.1% done] [ 10308/ 13796 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [47.4% done] [ 13732/  9052 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [52.6% done] [ 10856/  4216 kb/s] [eta 00m:09s]
Threads: 3: [Fmm] [57.9% done] [ 10668/  6292 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [60.0% done] [  4372/  4720 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [61.9% done] [  1812/  3732 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [63.6% done] [  7240/     0 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [68.2% done] [  4056/  3492 kb/s] [eta 00m:07s]
Threads: 3: [VFF] [72.7% done] [  6008/  2820 kb/s] [eta 00m:06s]
Threads: 2: [_FF] [100.0% done] [ 17736/     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] [76.9% done] [ 13272/     0 kb/s] [eta 00m:06s]
fio: (groupid=0): err= 0: pid=15126
  read : io=100MiB, bw=6,405KiB/s, runt= 16369msec
    clat (msec): min=    0, max=  306, avg= 4.07, stdev=26.37
    bw (KiB/s) : min=   15, max=17485, per=49.13%, avg=7346.42, stdev=6248.06
  write: io=23,640KiB, bw=1,491KiB/s, runt= 16228msec
    clat (msec): min=    0, max=  274, avg= 6.04, stdev=34.28
    bw (KiB/s) : min=    0, max=10137, per=71.92%, avg=4084.30, stdev=4328.93
  cpu          : usr=5.30%, sys=0.88%, ctx=1831
  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=90.0%, 4=1.4%, 10=3.4%, 20=2.8%, 50=0.3%, 100=0.0%
     lat (msec): 250=1.6%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15127
  read : io=100MiB, bw=5,101KiB/s, runt= 20555msec
    clat (msec): min=    0, max=  300, avg= 4.71, stdev=25.69
    bw (KiB/s) : min=   19, max=11294, per=27.58%, avg=4123.30, stdev=3394.68
  write: io=48,200KiB, bw=2,433KiB/s, runt= 20280msec
    clat (msec): min=    0, max=  317, avg= 9.61, stdev=37.61
    bw (KiB/s) : min=    0, max=14055, per=77.60%, avg=4406.84, stdev=4640.94
  cpu          : usr=5.10%, sys=1.42%, ctx=4245
  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=81.9%, 4=1.8%, 10=6.0%, 20=7.0%, 50=0.8%, 100=0.3%
     lat (msec): 250=1.9%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15128
  read : io=100MiB, bw=4,984KiB/s, runt= 21037msec
    clat (msec): min=    0, max=  301, avg= 4.65, stdev=26.25
    bw (KiB/s) : min=    8, max=13262, per=33.56%, avg=5017.55, stdev=4222.87
  write: io=43,460KiB, bw=2,140KiB/s, runt= 20789msec
    clat (msec): min=    0, max=  673, avg= 8.66, stdev=41.86
    bw (KiB/s) : min=    0, max= 9953, per=74.99%, avg=4258.53, stdev=3876.51
  cpu          : usr=4.75%, sys=1.10%, ctx=3787
  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=84.1%, 4=1.6%, 10=5.1%, 20=6.3%, 50=0.4%, 100=0.1%
     lat (msec): 250=1.9%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=14,953KiB/s, minb=4,984KiB/s, maxb=6,405KiB/s, mint=16369msec, maxt=21037msec
  WRITE: io=113MiB, aggrb=5,679KiB/s, minb=1,491KiB/s, maxb=2,433KiB/s, mint=16369msec, maxt=21037msec

Disk stats (read/write):
  sda: ios=9515/1335, merge=0/27513, ticks=39020/1743908, in_queue=1782928, util=98.18%
2.93user 0.76system 0:21.31elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9515major+97126minor)pagefaults 0swaps