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] [14.3% done] [ 12941/ 14257 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [20.0% done] [ 13568/ 16021 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [26.3% done] [ 20984/  8314 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [35.3% done] [ 19030/  9700 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [41.2% done] [ 20187/ 11007 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [47.1% done] [ 25010/  4637 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [50.0% done] [ 14196/  5572 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [52.6% done] [  4876/  5792 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [57.9% done] [  7292/  4124 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [60.0% done] [  8152/  1012 kb/s] [eta 00m:08s]
Threads: 3: [mFF] [61.9% done] [  7968/     0 kb/s] [eta 00m:08s]
Threads: 3: [mFF] [66.7% done] [  3620/  3688 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  1084/    28 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] [ 16400/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [76.0% done] [ 49208/     0 kb/s] [eta 00m:06s]
fio: (groupid=0): err= 0: pid=9961
  read : io=100MiB, bw=5,477KiB/s, runt= 19144msec
    clat (msec): min=    0, max=  763, avg= 5.17, stdev=31.96
    bw (KiB/s) : min=    4, max=10764, per=32.74%, avg=5258.20, stdev=4237.47
  write: io=36,632KiB, bw=1,981KiB/s, runt= 18933msec
    clat (msec): min=    0, max=  320, avg= 7.53, stdev=36.30
    bw (KiB/s) : min=    0, max=10778, per=77.74%, avg=4218.40, stdev=3916.39
  cpu          : usr=5.08%, sys=1.30%, ctx=3598
  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=84.6%, 4=1.4%, 10=4.3%, 20=6.3%, 50=0.8%, 100=0.6%
     lat (msec): 250=1.3%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=9962
  read : io=100MiB, bw=6,131KiB/s, runt= 17101msec
    clat (msec): min=    0, max=  303, avg= 5.78, stdev=30.08
    bw (KiB/s) : min=   11, max=20580, per=41.47%, avg=6660.36, stdev=5540.31
  write: io=16,144KiB, bw=972KiB/s, runt= 17003msec
    clat (msec): min=    0, max=  284, avg= 9.94, stdev=42.83
    bw (KiB/s) : min=    0, max= 9419, per=61.60%, avg=3342.57, stdev=3754.59
  cpu          : usr=4.70%, sys=0.98%, ctx=2867
  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=2.1%, 10=7.0%, 20=5.7%, 50=0.6%, 100=0.2%
     lat (msec): 250=2.0%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=9963
  read : io=100MiB, bw=5,354KiB/s, runt= 19584msec
    clat (msec): min=    0, max=  316, avg= 4.30, stdev=27.34
    bw (KiB/s) : min=   22, max=14637, per=32.83%, avg=5273.12, stdev=4912.43
  write: io=49,532KiB, bw=2,627KiB/s, runt= 19306msec
    clat (msec): min=    0, max=  279, avg= 9.11, stdev=38.06
    bw (KiB/s) : min=    0, max=16734, per=126.12%, avg=6843.54, stdev=5891.81
  cpu          : usr=5.29%, sys=0.96%, ctx=2683
  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=86.4%, 4=1.3%, 10=4.9%, 20=4.7%, 50=0.4%, 100=0.0%
     lat (msec): 250=1.9%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,062KiB/s, minb=5,354KiB/s, maxb=6,131KiB/s, mint=17101msec, maxt=19584msec
  WRITE: io=100MiB, aggrb=5,426KiB/s, minb=972KiB/s, maxb=2,627KiB/s, mint=17101msec, maxt=19584msec

Disk stats (read/write):
  sda: ios=8993/1156, merge=0/24483, ticks=37392/1145136, in_queue=1182524, util=97.62%
2.81user 0.68system 0:19.93elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8992major+94388minor)pagefaults 0swaps