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] [12.0% done] [ 25884/  3908 kb/s] [eta 00m:22s]
Threads: 3: [mmm] [19.0% done] [ 13900/ 13988 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [23.8% done] [ 15020/ 14652 kb/s] [eta 00m:16s]
Threads: 3: [mmm] [31.6% done] [ 23136/  8460 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [38.9% done] [ 22516/  6704 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [44.4% done] [ 13164/  9220 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [50.0% done] [ 24380/     0 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [55.6% done] [ 19452/  1584 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [57.9% done] [  6768/  1232 kb/s] [eta 00m:08s]
Threads: 3: [mFF] [60.0% done] [  3464/  3236 kb/s] [eta 00m:08s]
Threads: 3: [mFF] [61.9% done] [  2628/  1204 kb/s] [eta 00m:08s]
Threads: 3: [mFF] [66.7% done] [  4232/   864 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  4024/     0 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] [ 35844/     0 kb/s] [eta 00m:00s]
Threads: 1: [__F] [100.0% done] [ 24636/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=10337
  read : io=100MiB, bw=5,769KiB/s, runt= 18175msec
    clat (msec): min=    0, max=  621, avg= 6.62, stdev=32.46
    bw (KiB/s) : min=   28, max=13177, per=30.79%, avg=5248.42, stdev=3901.02
  write: io=24,636KiB, bw=1,399KiB/s, runt= 18031msec
    clat (msec): min=    0, max=  260, avg=11.24, stdev=38.22
    bw (KiB/s) : min=    0, max= 8575, per=80.01%, avg=3669.91, stdev=3650.63
  cpu          : usr=4.82%, sys=1.36%, ctx=4951
  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=74.8%, 4=2.8%, 10=8.6%, 20=9.4%, 50=1.0%, 100=1.2%
     lat (msec): 250=1.6%, 500=0.4%, 750=0.1%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=10338
  read : io=100MiB, bw=6,328KiB/s, runt= 16570msec
    clat (msec): min=    0, max=  288, avg= 4.04, stdev=29.22
    bw (KiB/s) : min=    4, max=13451, per=40.36%, avg=6878.94, stdev=4824.88
  write: io=35,844KiB, bw=2,242KiB/s, runt= 16364msec
    clat (msec): min=    0, max=  825, avg=10.56, stdev=57.64
    bw (KiB/s) : min=    0, max=16899, per=112.54%, avg=5162.40, stdev=5687.26
  cpu          : usr=5.91%, sys=1.11%, ctx=1485
  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=91.0%, 4=1.3%, 10=3.0%, 20=2.6%, 50=0.2%, 100=0.0%
     lat (msec): 250=1.2%, 500=0.7%, 750=0.0%, 1000=0.1%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=10339
  read : io=100MiB, bw=5,682KiB/s, runt= 18454msec
    clat (msec): min=    0, max=  325, avg= 4.62, stdev=27.16
    bw (KiB/s) : min=    8, max=34934, per=44.10%, avg=7516.90, stdev=8386.46
  write: io=21,620KiB, bw=1,208KiB/s, runt= 18326msec
    clat (msec): min=    0, max=  269, avg= 5.31, stdev=28.76
    bw (KiB/s) : min=    0, max=11739, per=84.33%, avg=3868.00, stdev=4405.91
  cpu          : usr=4.99%, sys=1.13%, ctx=2826
  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=85.0%, 4=1.7%, 10=5.6%, 20=5.2%, 50=0.6%, 100=0.0%
     lat (msec): 250=1.3%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=17,046KiB/s, minb=5,682KiB/s, maxb=6,328KiB/s, mint=16570msec, maxt=18454msec
  WRITE: io=82,100KiB, aggrb=4,587KiB/s, minb=1,208KiB/s, maxb=2,242KiB/s, mint=16570msec, maxt=18454msec

Disk stats (read/write):
  sda: ios=9097/1056, merge=0/19538, ticks=35708/1332316, in_queue=1368024, util=98.19%
2.78user 0.69system 0:18.84elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9097major+89218minor)pagefaults 0swaps