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] [ 24756/  8856 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [23.5% done] [ 34948/  6732 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [33.3% done] [ 23728/  8816 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [37.5% done] [ 25116/  1536 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [43.8% done] [ 12108/ 16020 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [50.0% done] [ 17657/  6194 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [56.2% done] [  8452/ 12740 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [62.5% done] [ 14916/  3368 kb/s] [eta 00m:06s]
Threads: 3: [mmm] [64.7% done] [  4928/  4672 kb/s] [eta 00m:06s]
Threads: 3: [mmF] [66.7% done] [  5984/  1564 kb/s] [eta 00m:06s]
Threads: 3: [mFF] [68.4% done] [  1944/  4692 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [     0/   684 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: [FEV] [77.3% done] [ 18744/     0 kb/s] [eta 00m:05s]
Threads: 1: [V__] [78.3% done] [ 52248/     0 kb/s] [eta 00m:05s]
fio: (groupid=0): err= 0: pid=5192
  read : io=100MiB, bw=5,663KiB/s, runt= 18515msec
    clat (msec): min=    0, max=  293, avg= 4.80, stdev=26.84
    bw (KiB/s) : min=   16, max=23642, per=26.52%, avg=4505.86, stdev=5643.49
  write: io=48,644KiB, bw=2,731KiB/s, runt= 18239msec
    clat (msec): min=    0, max=  265, avg= 5.77, stdev=24.25
    bw (KiB/s) : min=    0, max=20780, per=96.69%, avg=5798.40, stdev=6908.44
  cpu          : usr=5.81%, sys=1.32%, ctx=4288
  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=81.5%, 4=2.6%, 10=5.9%, 20=6.9%, 50=0.9%, 100=0.2%
     lat (msec): 250=1.5%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5193
  read : io=100MiB, bw=6,093KiB/s, runt= 17209msec
    clat (msec): min=    0, max=  861, avg= 6.38, stdev=37.27
    bw (KiB/s) : min=    9, max=16609, per=46.82%, avg=7955.41, stdev=4893.96
  write: io=6,664KiB, bw=397KiB/s, runt= 17165msec
    clat (msec): min=    0, max=  228, avg= 7.00, stdev=31.31
    bw (KiB/s) : min=    0, max= 4880, per=39.76%, avg=2384.20, stdev=2247.08
  cpu          : usr=4.67%, sys=0.93%, ctx=2597
  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=83.0%, 4=2.1%, 10=6.5%, 20=5.4%, 50=0.3%, 100=0.1%
     lat (msec): 250=2.1%, 500=0.2%, 750=0.0%, 1000=0.1%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5194
  read : io=100MiB, bw=5,988KiB/s, runt= 17510msec
    clat (msec): min=    0, max=  276, avg= 2.86, stdev=23.38
    bw (KiB/s) : min=   10, max=17652, per=31.93%, avg=5425.00, stdev=5800.36
  write: io=51,512KiB, bw=3,064KiB/s, runt= 17214msec
    clat (msec): min=    0, max=  924, avg= 6.16, stdev=43.12
    bw (KiB/s) : min=    0, max=14065, per=93.28%, avg=5593.80, stdev=5514.82
  cpu          : usr=5.80%, sys=1.44%, ctx=1646
  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=92.7%, 4=0.8%, 10=2.4%, 20=2.3%, 50=0.2%, 100=0.0%
     lat (msec): 250=1.2%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,990KiB/s, minb=5,663KiB/s, maxb=6,093KiB/s, mint=17209msec, maxt=18515msec
  WRITE: io=104MiB, aggrb=5,997KiB/s, minb=397KiB/s, maxb=3,064KiB/s, mint=17209msec, maxt=18515msec

Disk stats (read/write):
  sda: ios=8330/1165, merge=0/25603, ticks=35148/1117692, in_queue=1152828, util=97.38%
2.90user 0.72system 0:18.85elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8329major+96181minor)pagefaults 0swaps