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] [18.8% done] [ 19224/ 13064 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [23.5% done] [  7488/ 19316 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [29.4% done] [ 17192/  9048 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [35.3% done] [ 10284/ 17228 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [43.8% done] [ 16932/ 11592 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [50.0% done] [  8916/ 17180 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [56.2% done] [ 18708/ 10296 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [58.8% done] [  9260/  4028 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [61.1% done] [  4056/  6136 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [63.2% done] [  8672/  1744 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [65.0% done] [  2914/  4505 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [66.7% done] [  5198/  3249 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  2890/     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: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [ 46937/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VF] [100.0% done] [ 45430/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=12099
  read : io=100MiB, bw=5,547KiB/s, runt= 18901msec
    clat (msec): min=    0, max=  292, avg= 3.67, stdev=22.97
    bw (KiB/s) : min=   11, max=12840, per=32.24%, avg=4880.72, stdev=4785.09
  write: io=47,488KiB, bw=2,610KiB/s, runt= 18628msec
    clat (msec): min=    0, max=  299, avg= 7.70, stdev=35.16
    bw (KiB/s) : min=    0, max=11322, per=68.54%, avg=4297.50, stdev=4340.77
  cpu          : usr=5.06%, sys=1.38%, ctx=3340
  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=2.1%, 10=4.4%, 20=4.5%, 50=0.7%, 100=0.2%
     lat (msec): 250=1.6%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12100
  read : io=100MiB, bw=5,108KiB/s, runt= 20527msec
    clat (msec): min=    0, max=  339, avg= 4.63, stdev=30.16
    bw (KiB/s) : min=    2, max=13158, per=27.03%, avg=4093.26, stdev=4091.25
  write: io=50,388KiB, bw=2,549KiB/s, runt= 20239msec
    clat (msec): min=    0, max=  375, avg= 9.20, stdev=41.30
    bw (KiB/s) : min=    0, max=13670, per=79.67%, avg=4995.12, stdev=4437.30
  cpu          : usr=5.26%, sys=0.92%, ctx=2071
  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=89.9%, 4=0.9%, 10=3.3%, 20=2.7%, 50=0.4%, 100=0.1%
     lat (msec): 250=1.8%, 500=0.7%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12101
  read : io=100MiB, bw=5,047KiB/s, runt= 20775msec
    clat (msec): min=    0, max=  281, avg= 6.01, stdev=28.27
    bw (KiB/s) : min=   22, max=17716, per=40.37%, avg=6112.52, stdev=5127.24
  write: io=28,336KiB, bw=1,407KiB/s, runt= 20612msec
    clat (msec): min=    0, max=  317, avg= 9.38, stdev=38.20
    bw (KiB/s) : min=    0, max=11905, per=72.86%, avg=4568.09, stdev=4739.00
  cpu          : usr=4.37%, sys=0.98%, ctx=4259
  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=79.3%, 4=1.8%, 10=7.1%, 20=7.7%, 50=1.2%, 100=0.4%
     lat (msec): 250=1.9%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,141KiB/s, minb=5,047KiB/s, maxb=5,547KiB/s, mint=18901msec, maxt=20775msec
  WRITE: io=123MiB, aggrb=6,270KiB/s, minb=1,407KiB/s, maxb=2,610KiB/s, mint=18901msec, maxt=20775msec

Disk stats (read/write):
  sda: ios=9360/1302, merge=0/30285, ticks=40880/1286324, in_queue=1327200, util=98.62%
2.94user 0.69system 0:21.07elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9359major+100010minor)pagefaults 0swaps