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] [ 19999/ 14091 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [23.5% done] [ 19570/ 13497 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [33.3% done] [ 17561/ 11634 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [40.0% done] [ 12583/ 20625 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [46.7% done] [ 23901/  4576 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [53.3% done] [ 23681/  4115 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [56.2% done] [ 17069/  1697 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [58.8% done] [ 11181/  3272 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [61.1% done] [  5982/  3335 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [63.2% done] [  4080/  2639 kb/s] [eta 00m:07s]
Threads: 3: [FFm] [65.0% done] [   610/  4159 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  3501/     0 kb/s] [eta 00m:00s]
Threads: 3: [VFF] [71.4% done] [  5969/     0 kb/s] [eta 00m:06s]
Threads: 2: [_FF] [100.0% done] [ 28371/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [75.0% done] [ 58180/     0 kb/s] [eta 00m:06s]
fio: (groupid=0): err= 0: pid=5171
  read : io=100MiB, bw=6,717KiB/s, runt= 15609msec
    clat (msec): min=    0, max=  968, avg= 4.26, stdev=36.52
    bw (KiB/s) : min=    7, max=15007, per=39.84%, avg=6745.41, stdev=5356.89
  write: io=34,720KiB, bw=2,307KiB/s, runt= 15408msec
    clat (msec): min=    0, max=  264, avg= 7.18, stdev=37.32
    bw (KiB/s) : min=    0, max=12926, per=105.23%, avg=5888.90, stdev=5216.21
  cpu          : usr=5.84%, sys=1.41%, ctx=1132
  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=92.8%, 4=0.8%, 10=2.5%, 20=1.8%, 50=0.1%, 100=0.0%
     lat (msec): 250=1.3%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5172
  read : io=100MiB, bw=5,727KiB/s, runt= 18307msec
    clat (msec): min=    0, max=  614, avg= 4.25, stdev=28.80
    bw (KiB/s) : min=    6, max=12194, per=34.22%, avg=5792.65, stdev=5069.18
  write: io=46,476KiB, bw=2,638KiB/s, runt= 18040msec
    clat (msec): min=    0, max=  293, avg= 8.72, stdev=36.06
    bw (KiB/s) : min=    0, max=19003, per=113.49%, avg=6351.07, stdev=6721.72
  cpu          : usr=5.20%, sys=1.40%, ctx=2806
  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=84.9%, 4=1.9%, 10=5.4%, 20=5.1%, 50=0.4%, 100=0.0%
     lat (msec): 250=1.8%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5173
  read : io=100MiB, bw=5,643KiB/s, runt= 18580msec
    clat (msec): min=    0, max=  306, avg= 5.65, stdev=26.71
    bw (KiB/s) : min=   32, max=21923, per=40.19%, avg=6804.61, stdev=5636.10
  write: io=19,708KiB, bw=1,092KiB/s, runt= 18464msec
    clat (msec): min=    0, max=  261, avg= 8.35, stdev=31.94
    bw (KiB/s) : min=    0, max= 9713, per=59.48%, avg=3328.40, stdev=3806.18
  cpu          : usr=4.74%, sys=1.01%, ctx=4621
  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=77.8%, 4=2.3%, 10=7.2%, 20=8.9%, 50=1.1%, 100=0.6%
     lat (msec): 250=1.7%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,930KiB/s, minb=5,643KiB/s, maxb=6,717KiB/s, mint=15609msec, maxt=18580msec
  WRITE: io=99MiB, aggrb=5,596KiB/s, minb=1,092KiB/s, maxb=2,638KiB/s, mint=15609msec, maxt=18580msec

Disk stats (read/write):
  sda: ios=8307/1216, merge=0/24067, ticks=34656/1322052, in_queue=1356708, util=98.10%
2.74user 0.74system 0:19.01elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8306major+94714minor)pagefaults 0swaps