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] [ 17216/ 11788 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [23.5% done] [ 16324/ 14728 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [29.4% done] [ 15420/ 12168 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [37.5% done] [ 24331/  8688 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [43.8% done] [ 27218/     0 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [47.1% done] [ 17180/  8216 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [52.9% done] [ 27996/  1888 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [58.8% done] [  7580/  4624 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [61.1% done] [  4996/  5936 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [63.2% done] [  4860/  3396 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [65.0% done] [  4896/  2916 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [66.7% done] [  3952/  3632 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [     0/   616 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: [EFF] [100.0% done] [ 39052/     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=5187
  read : io=100MiB, bw=5,755KiB/s, runt= 18220msec
    clat (msec): min=    0, max=  281, avg= 4.65, stdev=27.85
    bw (KiB/s) : min=    9, max=17571, per=35.26%, avg=5621.95, stdev=5328.59
  write: io=39,052KiB, bw=2,222KiB/s, runt= 17994msec
    clat (msec): min=    0, max=  303, avg= 8.60, stdev=39.39
    bw (KiB/s) : min=    0, max=17443, per=80.68%, avg=4218.00, stdev=5049.68
  cpu          : usr=5.27%, sys=1.10%, ctx=3244
  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=5.0%, 20=5.5%, 50=0.4%, 100=0.1%
     lat (msec): 250=1.4%, 500=0.7%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5188
  read : io=100MiB, bw=5,318KiB/s, runt= 19714msec
    clat (msec): min=    0, max=  486, avg= 4.77, stdev=29.59
    bw (KiB/s) : min=   18, max=16424, per=36.05%, avg=5748.53, stdev=4813.85
  write: io=40,100KiB, bw=2,107KiB/s, runt= 19485msec
    clat (msec): min=    0, max=  290, avg= 8.54, stdev=38.46
    bw (KiB/s) : min=    0, max=12373, per=89.76%, avg=4692.86, stdev=4480.13
  cpu          : usr=5.26%, sys=0.93%, ctx=3230
  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=84.5%, 4=1.9%, 10=5.3%, 20=5.4%, 50=0.7%, 100=0.1%
     lat (msec): 250=1.5%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5189
  read : io=100MiB, bw=5,315KiB/s, runt= 19728msec
    clat (msec): min=    0, max=  321, avg= 5.83, stdev=31.87
    bw (KiB/s) : min=   11, max=13392, per=42.99%, avg=6855.52, stdev=4974.53
  write: io=20,956KiB, bw=1,094KiB/s, runt= 19606msec
    clat (msec): min=    0, max=  289, avg=11.77, stdev=44.44
    bw (KiB/s) : min=    0, max= 9502, per=71.86%, avg=3756.60, stdev=3890.50
  cpu          : usr=4.89%, sys=0.65%, ctx=2979
  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=83.2%, 4=1.8%, 10=5.5%, 20=6.4%, 50=0.4%, 100=0.2%
     lat (msec): 250=1.8%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,945KiB/s, minb=5,315KiB/s, maxb=5,755KiB/s, mint=18220msec, maxt=19728msec
  WRITE: io=98MiB, aggrb=5,228KiB/s, minb=1,094KiB/s, maxb=2,222KiB/s, mint=18220msec, maxt=19728msec

Disk stats (read/write):
  sda: ios=9166/1132, merge=0/24017, ticks=39448/1222288, in_queue=1261728, util=98.31%
2.96user 0.52system 0:20.14elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (9165major+93668minor)pagefaults 0swaps