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] [7.5% done] [ 18984/ 15968 kb/s] [eta 00m:37s]
Threads: 3: [mmm] [13.8% done] [ 25160/  5396 kb/s] [eta 00m:25s]
Threads: 3: [mmm] [19.2% done] [ 10216/ 19148 kb/s] [eta 00m:21s]
Threads: 3: [mmm] [25.0% done] [ 13632/ 12816 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [29.2% done] [ 15300/  9564 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [33.3% done] [  9904/  8308 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [39.1% done] [ 11148/  9592 kb/s] [eta 00m:14s]
Threads: 3: [mFm] [43.5% done] [  4764/  8612 kb/s] [eta 00m:13s]
Threads: 3: [FFm] [50.0% done] [  8132/  2924 kb/s] [eta 00m:11s]
Threads: 3: [FFm] [60.0% done] [ 13172/     0 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [61.9% done] [  5660/     0 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [66.7% done] [  3460/  1776 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  3664/     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]
Threads: 2: [F_F] [100.0% done] [ 59312/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=13148
  read : io=100MiB, bw=5,357KiB/s, runt= 19572msec
    clat (msec): min=    0, max=  307, avg= 3.97, stdev=23.38
    bw (KiB/s) : min=    9, max=22922, per=47.32%, avg=7560.50, stdev=6947.85
  write: io=24,544KiB, bw=1,294KiB/s, runt= 19421msec
    clat (msec): min=    0, max=  278, avg= 6.40, stdev=33.49
    bw (KiB/s) : min=    0, max= 9940, per=67.11%, avg=4075.18, stdev=4277.65
  cpu          : usr=5.01%, sys=0.63%, ctx=2047
  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=88.9%, 4=0.8%, 10=4.1%, 20=3.4%, 50=0.5%, 100=0.6%
     lat (msec): 250=1.5%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=13149
  read : io=100MiB, bw=5,811KiB/s, runt= 18044msec
    clat (msec): min=    0, max=  248, avg= 2.56, stdev=18.64
    bw (KiB/s) : min=    5, max=20494, per=36.06%, avg=5760.58, stdev=6164.00
  write: io=59,312KiB, bw=3,430KiB/s, runt= 17704msec
    clat (msec): min=    0, max=  279, avg= 5.10, stdev=23.95
    bw (KiB/s) : min=    0, max=19079, per=132.37%, avg=8037.43, stdev=7327.89
  cpu          : usr=5.81%, sys=1.26%, ctx=2588
  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=89.2%, 4=1.1%, 10=3.4%, 20=4.0%, 50=0.6%, 100=0.4%
     lat (msec): 250=1.2%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=13150
  read : io=100MiB, bw=5,325KiB/s, runt= 19688msec
    clat (msec): min=    0, max=  729, avg= 5.78, stdev=33.84
    bw (KiB/s) : min=    4, max=12967, per=34.36%, avg=5489.96, stdev=4672.58
  write: io=31,768KiB, bw=1,668KiB/s, runt= 19498msec
    clat (msec): min=    0, max=  272, avg= 9.51, stdev=33.46
    bw (KiB/s) : min=    0, max=13501, per=76.33%, avg=4634.58, stdev=4667.21
  cpu          : usr=4.49%, sys=1.16%, ctx=4142
  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=79.9%, 4=1.9%, 10=6.4%, 20=7.8%, 50=1.0%, 100=1.1%
     lat (msec): 250=1.6%, 500=0.1%, 750=0.1%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,977KiB/s, minb=5,325KiB/s, maxb=5,811KiB/s, mint=18044msec, maxt=19688msec
  WRITE: io=113MiB, aggrb=6,072KiB/s, minb=1,294KiB/s, maxb=3,430KiB/s, mint=18044msec, maxt=19688msec

Disk stats (read/write):
  sda: ios=8592/1326, merge=0/27611, ticks=32276/1541464, in_queue=1573740, util=98.40%
2.91user 0.60system 0:19.95elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8591major+98123minor)pagefaults 0swaps