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] [15.0% done] [ 19496/ 15760 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [23.5% done] [ 25668/  7788 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [31.2% done] [ 15040/ 19232 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [40.0% done] [ 33616/  9648 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [46.7% done] [ 27068/  8196 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [53.3% done] [ 27384/     0 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [56.2% done] [ 13228/  5092 kb/s] [eta 00m:07s]
Threads: 3: [mFm] [62.5% done] [  7368/  3888 kb/s] [eta 00m:06s]
Threads: 3: [mFm] [64.7% done] [     0/  7832 kb/s] [eta 00m:06s]
Threads: 3: [FFm] [66.7% done] [  2784/  2808 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [  2574/   212 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] [ 20420/     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=12410
  read : io=100MiB, bw=5,859KiB/s, runt= 17895msec
    clat (msec): min=    0, max=  194, avg= 3.83, stdev=19.84
    bw (KiB/s) : min=    1, max=13091, per=34.72%, avg=6103.26, stdev=4831.94
  write: io=41,024KiB, bw=2,378KiB/s, runt= 17659msec
    clat (msec): min=    0, max=  213, avg= 5.74, stdev=23.17
    bw (KiB/s) : min=    0, max=20610, per=103.84%, avg=6024.77, stdev=7396.53
  cpu          : usr=5.30%, sys=1.36%, ctx=3700
  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=84.2%, 4=1.3%, 10=5.7%, 20=5.3%, 50=1.1%, 100=0.6%
     lat (msec): 250=1.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12411
  read : io=100MiB, bw=6,785KiB/s, runt= 15454msec
    clat (msec): min=    0, max=  270, avg= 4.50, stdev=26.19
    bw (KiB/s) : min=   29, max=26165, per=47.24%, avg=8304.28, stdev=6739.32
  write: io=20,420KiB, bw=1,363KiB/s, runt= 15334msec
    clat (msec): min=    0, max=  198, avg= 7.38, stdev=32.00
    bw (KiB/s) : min=    0, max=13539, per=93.46%, avg=5422.40, stdev=6289.78
  cpu          : usr=6.21%, sys=0.65%, ctx=1209
  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=91.6%, 4=0.6%, 10=2.4%, 20=2.3%, 50=0.2%, 100=0.4%
     lat (msec): 250=2.2%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12412
  read : io=100MiB, bw=5,861KiB/s, runt= 17890msec
    clat (msec): min=    0, max=  302, avg= 4.36, stdev=23.15
    bw (KiB/s) : min=   20, max=12036, per=34.45%, avg=6056.00, stdev=4713.90
  write: io=38,668KiB, bw=2,241KiB/s, runt= 17668msec
    clat (msec): min=    0, max=  223, avg= 6.71, stdev=26.93
    bw (KiB/s) : min=    0, max=15589, per=102.48%, avg=5946.09, stdev=5767.46
  cpu          : usr=5.48%, sys=1.01%, ctx=3256
  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=85.1%, 4=1.4%, 10=4.5%, 20=5.5%, 50=0.7%, 100=0.7%
     lat (msec): 250=1.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=17,578KiB/s, minb=5,859KiB/s, maxb=6,785KiB/s, mint=15454msec, maxt=17895msec
  WRITE: io=98MiB, aggrb=5,802KiB/s, minb=1,363KiB/s, maxb=2,378KiB/s, mint=15454msec, maxt=17895msec

Disk stats (read/write):
  sda: ios=8020/1118, merge=0/23936, ticks=31136/1099580, in_queue=1130716, util=97.34%
2.89user 0.54system 0:18.28elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8020major+94803minor)pagefaults 0swaps