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] [15.8% done] [ 30479/  6675 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [21.1% done] [ 13107/ 18140 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [26.3% done] [ 18676/ 10121 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [31.6% done] [ 15872/ 15675 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [35.0% done] [ 15336/  8164 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [38.1% done] [ 23579/  2135 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [42.9% done] [  5840/  8280 kb/s] [eta 00m:12s]
Threads: 3: [Fmm] [47.6% done] [  4852/  5844 kb/s] [eta 00m:11s]
Threads: 3: [Fmm] [52.4% done] [  7920/  2400 kb/s] [eta 00m:10s]
Threads: 3: [Fmm] [54.5% done] [  2748/  3640 kb/s] [eta 00m:10s]
Threads: 3: [FmF] [56.5% done] [  4068/  2980 kb/s] [eta 00m:10s]
Threads: 3: [FmF] [60.9% done] [  3000/  1972 kb/s] [eta 00m:09s]
Threads: 3: [FmF] [65.2% done] [  2076/  3768 kb/s] [eta 00m:08s]
Threads: 3: [VmF] [66.7% done] [  9008/     0 kb/s] [eta 00m:08s]
Threads: 2: [_FF] [100.0% done] [ 21904/     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: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=5214
  read : io=100MiB, bw=6,355KiB/s, runt= 16500msec
    clat (msec): min=    0, max=  287, avg= 3.53, stdev=25.80
    bw (KiB/s) : min=   12, max=23050, per=57.90%, avg=8511.31, stdev=7147.02
  write: io=24,752KiB, bw=1,550KiB/s, runt= 16350msec
    clat (msec): min=    0, max=  305, avg= 6.98, stdev=36.04
    bw (KiB/s) : min=    0, max=12703, per=84.11%, avg=4696.11, stdev=5168.19
  cpu          : usr=5.45%, sys=0.90%, ctx=1341
  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=91.8%, 4=0.9%, 10=3.1%, 20=2.2%, 50=0.2%, 100=0.0%
     lat (msec): 250=1.4%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5215
  read : io=100MiB, bw=5,008KiB/s, runt= 20936msec
    clat (msec): min=    0, max=  291, avg= 5.84, stdev=26.88
    bw (KiB/s) : min=    7, max=10476, per=28.61%, avg=4205.42, stdev=3348.21
  write: io=38,700KiB, bw=1,913KiB/s, runt= 20714msec
    clat (msec): min=    0, max=  296, avg= 9.63, stdev=31.81
    bw (KiB/s) : min=    0, max=10409, per=70.55%, avg=3938.83, stdev=3907.85
  cpu          : usr=4.81%, sys=1.13%, ctx=5749
  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=75.7%, 4=2.1%, 10=8.4%, 20=9.4%, 50=1.2%, 100=1.0%
     lat (msec): 250=1.9%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5216
  read : io=100MiB, bw=4,899KiB/s, runt= 21400msec
    clat (msec): min=    0, max=  296, avg= 3.38, stdev=23.38
    bw (KiB/s) : min=    4, max=12777, per=35.79%, avg=5260.41, stdev=4897.49
  write: io=51,636KiB, bw=2,505KiB/s, runt= 21107msec
    clat (msec): min=    0, max=  283, avg= 7.53, stdev=33.59
    bw (KiB/s) : min=    0, max=19065, per=89.36%, avg=4988.94, stdev=5629.78
  cpu          : usr=4.82%, sys=1.18%, ctx=3000
  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=86.0%, 4=1.8%, 10=4.8%, 20=4.8%, 50=0.6%, 100=0.0%
     lat (msec): 250=1.5%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=14,699KiB/s, minb=4,899KiB/s, maxb=6,355KiB/s, mint=16500msec, maxt=21400msec
  WRITE: io=112MiB, aggrb=5,583KiB/s, minb=1,550KiB/s, maxb=2,505KiB/s, mint=16500msec, maxt=21400msec

Disk stats (read/write):
  sda: ios=9869/1394, merge=0/27442, ticks=36416/1876444, in_queue=1912856, util=97.95%
2.94user 0.66system 0:21.74elapsed 16%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9868major+96720minor)pagefaults 0swaps