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] [16.7% done] [ 30147/  3104 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [22.2% done] [ 11710/ 20150 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [31.2% done] [ 14470/ 22085 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [35.3% done] [ 15388/ 10780 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [41.2% done] [  8439/ 13641 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [47.1% done] [  4010/ 15668 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [50.0% done] [ 15746/ 12613 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [55.6% done] [ 14791/   503 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [57.9% done] [  9236/  6684 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [60.0% done] [  2259/  9354 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [61.9% done] [  4819/  1950 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [66.7% done] [  3096/  2251 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [     0/  3283 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] [ 54385/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=14749
  read : io=100MiB, bw=5,578KiB/s, runt= 18797msec
    clat (msec): min=    0, max=  252, avg= 2.97, stdev=19.73
    bw (KiB/s) : min=    2, max=14007, per=39.08%, avg=5909.57, stdev=5436.33
  write: io=53,536KiB, bw=2,965KiB/s, runt= 18489msec
    clat (msec): min=    0, max=  271, avg= 5.68, stdev=28.67
    bw (KiB/s) : min=    0, max=18236, per=96.26%, avg=7002.08, stdev=6034.97
  cpu          : usr=5.23%, sys=1.47%, ctx=2262
  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=89.5%, 4=1.0%, 10=4.2%, 20=2.9%, 50=0.3%, 100=0.0%
     lat (msec): 250=1.8%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14750
  read : io=100MiB, bw=5,136KiB/s, runt= 20413msec
    clat (msec): min=    0, max=  231, avg= 5.69, stdev=23.61
    bw (KiB/s) : min=    3, max=11678, per=32.29%, avg=4882.48, stdev=3971.97
  write: io=37,376KiB, bw=1,894KiB/s, runt= 20197msec
    clat (msec): min=    0, max=  265, avg= 6.93, stdev=24.23
    bw (KiB/s) : min=    0, max=13926, per=63.98%, avg=4653.87, stdev=5202.02
  cpu          : usr=4.90%, sys=1.35%, ctx=5402
  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=76.7%, 4=2.2%, 10=7.2%, 20=9.3%, 50=1.4%, 100=1.0%
     lat (msec): 250=1.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=14751
  read : io=100MiB, bw=5,040KiB/s, runt= 20802msec
    clat (msec): min=    0, max=  502, avg= 3.00, stdev=24.90
    bw (KiB/s) : min=    9, max=14016, per=31.54%, avg=4769.71, stdev=5065.09
  write: io=54,680KiB, bw=2,732KiB/s, runt= 20493msec
    clat (msec): min=    0, max=  285, avg= 7.02, stdev=34.52
    bw (KiB/s) : min=    0, max=13519, per=68.07%, avg=4951.39, stdev=4126.26
  cpu          : usr=5.27%, sys=1.15%, ctx=1445
  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=93.5%, 4=0.6%, 10=1.9%, 20=1.7%, 50=0.1%, 100=0.1%
     lat (msec): 250=1.9%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,122KiB/s, minb=5,040KiB/s, maxb=5,578KiB/s, mint=18797msec, maxt=20802msec
  WRITE: io=142MiB, aggrb=7,274KiB/s, minb=1,894KiB/s, maxb=2,965KiB/s, mint=18797msec, maxt=20802msec

Disk stats (read/write):
  sda: ios=8846/1486, merge=0/34975, ticks=35564/1578552, in_queue=1614116, util=98.44%
3.08user 0.85system 0:21.07elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8846major+105378minor)pagefaults 0swaps