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] [ 25876/ 10140 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [25.0% done] [ 14588/ 18060 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [35.7% done] [ 16052/ 19316 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [42.9% done] [ 25124/  3680 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [46.7% done] [ 21628/  4016 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [47.1% done] [ 13544/  9224 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [52.9% done] [ 12784/  4436 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [58.8% done] [ 17672/  3508 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [61.1% done] [  7276/  1484 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [63.2% done] [  5452/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [68.4% done] [  5180/     0 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [   256/  1469 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: [FEF] [100.0% done] [ 30628/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [81.8% done] [ 61172/     0 kb/s] [eta 00m:04s]
fio: (groupid=0): err= 0: pid=13202
  read : io=100MiB, bw=5,813KiB/s, runt= 18038msec
    clat (msec): min=    0, max=  279, avg= 3.60, stdev=24.84
    bw (KiB/s) : min=    0, max=14908, per=37.11%, avg=6348.37, stdev=5545.88
  write: io=41,300KiB, bw=2,375KiB/s, runt= 17801msec
    clat (msec): min=    0, max=  775, avg= 7.98, stdev=49.99
    bw (KiB/s) : min=    0, max=14387, per=97.15%, avg=5806.73, stdev=5783.99
  cpu          : usr=5.50%, sys=1.04%, ctx=984
  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=93.7%, 4=0.6%, 10=1.6%, 20=1.4%, 50=0.2%, 100=0.2%
     lat (msec): 250=1.8%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=13203
  read : io=100MiB, bw=6,074KiB/s, runt= 17262msec
    clat (msec): min=    0, max=  241, avg= 3.93, stdev=21.25
    bw (KiB/s) : min=    3, max=19704, per=39.91%, avg=6826.72, stdev=6199.13
  write: io=30,628KiB, bw=1,835KiB/s, runt= 17083msec
    clat (msec): min=    0, max=  241, avg= 6.10, stdev=26.52
    bw (KiB/s) : min=    0, max=14945, per=86.87%, avg=5192.45, stdev=6095.06
  cpu          : usr=5.84%, sys=1.25%, ctx=2895
  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=85.4%, 4=1.8%, 10=4.7%, 20=4.8%, 50=0.8%, 100=0.6%
     lat (msec): 250=1.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=13204
  read : io=100MiB, bw=5,702KiB/s, runt= 18388msec
    clat (msec): min=    0, max=  947, avg= 5.31, stdev=31.20
    bw (KiB/s) : min=    1, max=17272, per=33.32%, avg=5699.91, stdev=4911.86
  write: io=34,264KiB, bw=1,928KiB/s, runt= 18193msec
    clat (msec): min=    0, max=  238, avg= 7.63, stdev=27.25
    bw (KiB/s) : min=    0, max=16329, per=79.51%, avg=4752.45, stdev=5690.47
  cpu          : usr=5.11%, sys=1.39%, ctx=4482
  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=2.6%, 10=6.2%, 20=7.9%, 50=0.9%, 100=1.2%
     lat (msec): 250=1.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=17,107KiB/s, minb=5,702KiB/s, maxb=6,074KiB/s, mint=17262msec, maxt=18388msec
  WRITE: io=104MiB, aggrb=5,977KiB/s, minb=1,835KiB/s, maxb=2,375KiB/s, mint=17262msec, maxt=18388msec

Disk stats (read/write):
  sda: ios=8081/1218, merge=0/25358, ticks=32192/1216056, in_queue=1248244, util=97.83%
2.94user 0.67system 0:18.72elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8081major+96262minor)pagefaults 0swaps