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] [15.8% done] [ 17050/ 16128 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [25.0% done] [ 21837/ 12674 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [33.3% done] [ 11995/ 21430 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [40.0% done] [ 15754/ 12816 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [43.8% done] [ 12198/  9509 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [47.1% done] [  5115/ 18362 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [52.9% done] [ 17533/  4380 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [58.8% done] [ 12027/  7619 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [61.1% done] [  6046/  2287 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [63.2% done] [  3100/  3665 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [65.0% done] [  6863/    32 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [66.7% done] [  7265/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [   922/     0 kb/s] [eta 00m:00s]
Threads: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 3: [VFF] [85.0% done] [ 27392/     0 kb/s] [eta 00m:03s]
Threads: 2: [_FF] [100.0% done] [ 25900/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [_F_] [100.0% done] [ 32207/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=15308
  read : io=100MiB, bw=6,107KiB/s, runt= 17169msec
    clat (msec): min=    0, max=  291, avg= 2.88, stdev=20.72
    bw (KiB/s) : min=   11, max=18171, per=36.37%, avg=5558.80, stdev=6204.16
  write: io=52,460KiB, bw=3,185KiB/s, runt= 16866msec
    clat (msec): min=    0, max=  286, avg= 5.84, stdev=30.82
    bw (KiB/s) : min=    0, max=17184, per=84.67%, avg=6060.62, stdev=5959.50
  cpu          : usr=6.31%, sys=1.26%, ctx=1966
  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=1.4%, 10=3.6%, 20=2.7%, 50=0.4%, 100=0.2%
     lat (msec): 250=1.3%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15309
  read : io=100MiB, bw=5,095KiB/s, runt= 20578msec
    clat (msec): min=    0, max=  274, avg= 4.04, stdev=24.55
    bw (KiB/s) : min=    8, max=12337, per=26.70%, avg=4081.45, stdev=4077.06
  write: io=57,428KiB, bw=2,903KiB/s, runt= 20255msec
    clat (msec): min=    0, max=  252, avg= 8.91, stdev=33.54
    bw (KiB/s) : min=    0, max=16562, per=77.59%, avg=5554.25, stdev=5351.25
  cpu          : usr=5.19%, sys=1.13%, ctx=3612
  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=83.9%, 4=2.1%, 10=5.1%, 20=5.7%, 50=0.7%, 100=0.3%
     lat (msec): 250=2.1%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=15310
  read : io=100MiB, bw=5,369KiB/s, runt= 19527msec
    clat (msec): min=    0, max=  297, avg= 5.13, stdev=27.22
    bw (KiB/s) : min=   19, max=15560, per=37.11%, avg=5671.96, stdev=5073.06
  write: io=31,704KiB, bw=1,678KiB/s, runt= 19342msec
    clat (msec): min=    0, max=  866, avg= 7.54, stdev=47.39
    bw (KiB/s) : min=    0, max=11754, per=61.77%, avg=4421.25, stdev=4512.08
  cpu          : usr=4.71%, sys=1.25%, ctx=3035
  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=1.6%, 10=5.4%, 20=4.5%, 50=0.8%, 100=0.3%
     lat (msec): 250=1.7%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,286KiB/s, minb=5,095KiB/s, maxb=6,107KiB/s, mint=17169msec, maxt=20578msec
  WRITE: io=138MiB, aggrb=7,158KiB/s, minb=1,678KiB/s, maxb=3,185KiB/s, mint=17169msec, maxt=20578msec

Disk stats (read/write):
  sda: ios=8287/1376, merge=0/34073, ticks=36324/1593544, in_queue=1629868, util=97.51%
3.08user 0.79system 0:20.90elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8286major+104931minor)pagefaults 0swaps