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] [10.0% done] [ 15628/ 14019 kb/s] [eta 00m:27s]
Threads: 3: [mmm] [17.4% done] [ 21402/  8244 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [22.7% done] [ 14774/ 12267 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [28.6% done] [ 14149/ 12661 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [31.8% done] [ 24921/  4534 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [36.4% done] [ 21524/  5888 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [39.1% done] [  7960/  6078 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [45.5% done] [ 12308/     0 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [50.0% done] [  5741/  4051 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [52.2% done] [  7310/  4530 kb/s] [eta 00m:11s]
Threads: 3: [Fmm] [59.1% done] [ 11422/  5839 kb/s] [eta 00m:09s]
Threads: 3: [Fmm] [63.6% done] [  6125/  4852 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [68.2% done] [  6493/     0 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [66.7% done] [   857/     0 kb/s] [eta 00m:08s]
Threads: 2: [_mF] [68.0% done] [ 25327/     0 kb/s] [eta 00m:08s]
Threads: 2: [_FV] [90.0% done] [ 37201/    40 kb/s] [eta 00m:02s]
fio: (groupid=0): err= 0: pid=2457
  read : io=100MiB, bw=6,446KiB/s, runt= 16266msec
    clat (msec): min=    0, max=  229, avg= 5.39, stdev=23.71
    bw (KiB/s) : min=    4, max=17475, per=37.44%, avg=6231.12, stdev=5450.41
  write: io=24,904KiB, bw=1,582KiB/s, runt= 16119msec
    clat (msec): min=    0, max=  232, avg= 7.11, stdev=29.41
    bw (KiB/s) : min=    0, max=10676, per=83.40%, avg=4104.00, stdev=4873.69
  cpu          : usr=5.58%, sys=1.18%, ctx=3841
  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=79.6%, 4=2.2%, 10=7.6%, 20=6.9%, 50=0.9%, 100=0.3%
     lat (msec): 250=2.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=2458
  read : io=100MiB, bw=5,547KiB/s, runt= 18901msec
    clat (msec): min=    0, max=  441, avg= 7.72, stdev=34.66
    bw (KiB/s) : min=   29, max=21905, per=30.61%, avg=5094.90, stdev=5137.23
  write: io=19,832KiB, bw=1,081KiB/s, runt= 18785msec
    clat (msec): min=    0, max= 1564, avg=18.20, stdev=110.02
    bw (KiB/s) : min=    0, max=10752, per=61.39%, avg=3021.20, stdev=4211.67
  cpu          : usr=4.57%, sys=0.80%, ctx=3833
  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=77.6%, 4=2.5%, 10=7.3%, 20=7.5%, 50=1.1%, 100=0.5%
     lat (msec): 250=2.9%, 500=0.3%, 750=0.1%, 1000=0.0%, >=2000=0.1%
fio: (groupid=0): err= 0: pid=2459
  read : io=100MiB, bw=5,798KiB/s, runt= 18084msec
    clat (msec): min=    0, max=  734, avg= 5.08, stdev=34.56
    bw (KiB/s) : min=   13, max=11001, per=24.92%, avg=4148.14, stdev=3805.07
  write: io=45,556KiB, bw=2,617KiB/s, runt= 17821msec
    clat (msec): min=    0, max=  285, avg= 8.11, stdev=37.97
    bw (KiB/s) : min=    0, max=12409, per=92.38%, avg=4545.94, stdev=4275.14
  cpu          : usr=5.73%, sys=0.88%, ctx=1494
  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=91.6%, 4=0.9%, 10=2.2%, 20=2.3%, 50=0.3%, 100=0.0%
     lat (msec): 250=2.5%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,643KiB/s, minb=5,547KiB/s, maxb=6,446KiB/s, mint=16266msec, maxt=18901msec
  WRITE: io=90,292KiB, aggrb=4,921KiB/s, minb=1,081KiB/s, maxb=2,617KiB/s, mint=16266msec, maxt=18901msec

Disk stats (read/write):
  sda: ios=9022/1055, merge=0/21568, ticks=43020/920136, in_queue=963156, util=98.73%
2.81user 0.58system 0:19.14elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9022major+91353minor)pagefaults 0swaps