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] [20.0% done] [ 15332/ 15872 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [25.0% done] [ 20332/  7152 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [31.2% done] [ 19504/  9164 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [37.5% done] [ 22748/  8744 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [43.8% done] [ 31728/  2836 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [53.3% done] [ 28712/  7200 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [56.2% done] [ 11819/  4244 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [58.8% done] [  6864/  1580 kb/s] [eta 00m:07s]
Threads: 3: [mmF] [61.1% done] [  6496/   480 kb/s] [eta 00m:07s]
Threads: 3: [mmF] [63.2% done] [  5632/   512 kb/s] [eta 00m:07s]
Threads: 3: [mFF] [65.0% done] [  2444/  4124 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  4160/     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] [ 14204/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=15157
  read : io=100MiB, bw=5,937KiB/s, runt= 17661msec
    clat (msec): min=    0, max=  292, avg= 5.82, stdev=27.41
    bw (KiB/s) : min=    1, max=13990, per=32.55%, avg=5627.92, stdev=4343.93
  write: io=24,128KiB, bw=1,410KiB/s, runt= 17521msec
    clat (msec): min=    0, max=  294, avg= 8.57, stdev=32.24
    bw (KiB/s) : min=    0, max=10103, per=68.79%, avg=3283.45, stdev=3854.70
  cpu          : usr=4.87%, sys=1.18%, ctx=3946
  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=79.4%, 4=2.9%, 10=6.5%, 20=7.2%, 50=0.8%, 100=0.8%
     lat (msec): 250=2.0%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15158
  read : io=100MiB, bw=6,314KiB/s, runt= 16607msec
    clat (msec): min=    0, max=  328, avg= 5.97, stdev=30.01
    bw (KiB/s) : min=   27, max=18132, per=41.87%, avg=7237.65, stdev=5366.68
  write: io=14,204KiB, bw=880KiB/s, runt= 16521msec
    clat (msec): min=    0, max=  228, avg=10.11, stdev=36.81
    bw (KiB/s) : min=    0, max= 8649, per=67.20%, avg=3207.40, stdev=3648.41
  cpu          : usr=5.42%, sys=0.99%, ctx=2641
  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=82.1%, 4=2.6%, 10=6.0%, 20=5.5%, 50=0.7%, 100=0.4%
     lat (msec): 250=2.2%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15159
  read : io=100MiB, bw=5,762KiB/s, runt= 18196msec
    clat (msec): min=    0, max=  293, avg= 3.43, stdev=23.46
    bw (KiB/s) : min=   17, max=15974, per=36.58%, avg=6324.12, stdev=5999.28
  write: io=45,296KiB, bw=2,585KiB/s, runt= 17938msec
    clat (msec): min=    0, max=  246, avg= 5.45, stdev=27.34
    bw (KiB/s) : min=    0, max=16216, per=136.37%, avg=6509.15, stdev=6065.75
  cpu          : usr=5.43%, sys=1.30%, ctx=2139
  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=1.0%, 10=3.6%, 20=3.1%, 50=0.3%, 100=0.3%
     lat (msec): 250=1.4%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=17,288KiB/s, minb=5,762KiB/s, maxb=6,314KiB/s, mint=16607msec, maxt=18196msec
  WRITE: io=83,628KiB, aggrb=4,773KiB/s, minb=880KiB/s, maxb=2,585KiB/s, mint=16607msec, maxt=18196msec

Disk stats (read/write):
  sda: ios=8485/978, merge=0/19951, ticks=34756/1269868, in_queue=1304624, util=97.92%
2.76user 0.69system 0:18.58elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8485major+90217minor)pagefaults 0swaps