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] [ 17898/ 14515 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [20.0% done] [ 17262/ 11051 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [26.3% done] [ 12177/ 13690 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [33.3% done] [ 19971/ 12039 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [41.2% done] [ 25560/  1398 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [47.1% done] [ 19085/  6971 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [56.2% done] [ 17742/  8097 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [55.6% done] [  4537/  8857 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [57.9% done] [  4470/  1945 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [60.0% done] [  6348/    63 kb/s] [eta 00m:08s]
Threads: 3: [mmF] [61.9% done] [  4399/  1283 kb/s] [eta 00m:08s]
Threads: 3: [mmF] [63.6% done] [  3450/  3158 kb/s] [eta 00m:08s]
Threads: 3: [mFF] [65.2% done] [  3887/  2772 kb/s] [eta 00m:08s]
Threads: 3: [FFF] [100.0% done] [  2835/   980 kb/s] [eta 00m:00s]
Threads: 2: [FF_] [100.0% done] [ 11787/     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_] [83.3% done] [ 24366/     0 kb/s] [eta 00m:04s]
fio: (groupid=0): err= 0: pid=5202
  read : io=100MiB, bw=5,031KiB/s, runt= 20840msec
    clat (msec): min=    0, max=  303, avg= 4.93, stdev=27.40
    bw (KiB/s) : min=    8, max=10567, per=23.80%, avg=3536.30, stdev=3302.03
  write: io=60,428KiB, bw=3,019KiB/s, runt= 20492msec
    clat (msec): min=    0, max=  304, avg= 8.32, stdev=33.14
    bw (KiB/s) : min=    0, max=17644, per=104.90%, avg=6137.94, stdev=5109.94
  cpu          : usr=5.30%, sys=1.50%, ctx=4804
  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=80.6%, 4=2.2%, 10=6.3%, 20=7.5%, 50=0.8%, 100=0.6%
     lat (msec): 250=1.5%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5203
  read : io=100MiB, bw=4,952KiB/s, runt= 21172msec
    clat (msec): min=    0, max=  320, avg= 4.28, stdev=27.07
    bw (KiB/s) : min=   10, max=12574, per=31.33%, avg=4655.18, stdev=4768.31
  write: io=47,068KiB, bw=2,305KiB/s, runt= 20905msec
    clat (msec): min=    0, max= 1102, avg=10.14, stdev=55.60
    bw (KiB/s) : min=    0, max=14352, per=68.33%, avg=3997.85, stdev=4864.53
  cpu          : usr=4.86%, sys=1.04%, ctx=3220
  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=84.7%, 4=2.0%, 10=5.4%, 20=4.8%, 50=0.7%, 100=0.2%
     lat (msec): 250=1.7%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5204
  read : io=100MiB, bw=6,141KiB/s, runt= 17074msec
    clat (msec): min=    0, max=  302, avg= 6.45, stdev=33.76
    bw (KiB/s) : min=   19, max=18265, per=49.82%, avg=7401.14, stdev=5109.14
  write: io=11,972KiB, bw=721KiB/s, runt= 17000msec
    clat (msec): min=    0, max=  236, avg= 6.10, stdev=31.24
    bw (KiB/s) : min=    0, max=15576, per=91.27%, avg=5340.50, stdev=7346.50
  cpu          : usr=4.87%, sys=0.84%, ctx=2327
  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=85.4%, 4=1.9%, 10=4.7%, 20=4.4%, 50=0.8%, 100=0.4%
     lat (msec): 250=1.8%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=14,857KiB/s, minb=4,952KiB/s, maxb=6,141KiB/s, mint=17074msec, maxt=21172msec
  WRITE: io=117MiB, aggrb=5,851KiB/s, minb=721KiB/s, maxb=3,019KiB/s, mint=17074msec, maxt=21172msec

Disk stats (read/write):
  sda: ios=9917/1161, merge=0/28756, ticks=41084/1377412, in_queue=1418496, util=98.12%
2.97user 0.74system 0:21.51elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9916major+97759minor)pagefaults 0swaps