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] [ 26960/ 35844 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [26.7% done] [ 24268/ 32596 kb/s] [eta 00m:11s]
Threads: 3: [Fmm] [29.4% done] [  8996/  7260 kb/s] [eta 00m:12s]
Threads: 3: [Fmm] [35.3% done] [ 15705/   220 kb/s] [eta 00m:11s]
Threads: 3: [Fmm] [41.2% done] [ 12500/  3847 kb/s] [eta 00m:10s]
Threads: 3: [Fmm] [47.1% done] [  7883/ 10520 kb/s] [eta 00m:09s]
Threads: 3: [Fmm] [52.9% done] [  5217/  8923 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [55.6% done] [ 10544/  1158 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [61.1% done] [  2669/  4242 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [60.0% done] [  5144/  1093 kb/s] [eta 00m:08s]
Threads: 3: [Fmm] [65.0% done] [  2068/  3673 kb/s] [eta 00m:07s]
Threads: 3: [Fmm] [63.6% done] [  3474/  2499 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [68.2% done] [  6936/    77 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  1389/     0 kb/s] [eta 00m:00s]
Threads: 2: [EFF] [100.0% done] [ 51439/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [     0/     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=12697
  read : io=100MiB, bw=6,137KiB/s, runt= 17086msec
    clat (msec): min=    0, max= 1473, avg= 1.43, stdev=36.85
    bw (KiB/s) : min=    0, max=39323, per=58.98%, avg=9444.33, stdev=15323.17
  write: io=50,636KiB, bw=3,086KiB/s, runt= 16798msec
    clat (msec): min=    0, max=  197, avg= 0.88, stdev=11.17
    bw (KiB/s) : min=    0, max=33346, per=318.59%, avg=20890.00, stdev=18202.70
  cpu          : usr=6.34%, sys=1.10%, ctx=189
  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=99.1%, 4=0.1%, 10=0.2%, 20=0.0%, 50=0.0%, 100=0.1%
     lat (msec): 250=0.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12698
  read : io=100MiB, bw=5,349KiB/s, runt= 19600msec
    clat (msec): min=    0, max=  220, avg= 4.41, stdev=22.54
    bw (KiB/s) : min=   10, max=14575, per=26.50%, avg=4242.83, stdev=4758.33
  write: io=48,528KiB, bw=2,571KiB/s, runt= 19323msec
    clat (msec): min=    0, max=  208, avg= 8.09, stdev=30.64
    bw (KiB/s) : min=    0, max=16424, per=66.82%, avg=4381.60, stdev=4691.60
  cpu          : usr=5.39%, sys=1.29%, ctx=4680
  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=80.5%, 4=2.2%, 10=6.3%, 20=7.7%, 50=0.9%, 100=0.2%
     lat (msec): 250=2.2%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=12699
  read : io=100MiB, bw=5,337KiB/s, runt= 19646msec
    clat (msec): min=    0, max=  375, avg= 6.20, stdev=28.53
    bw (KiB/s) : min=   11, max=12038, per=32.45%, avg=5195.96, stdev=4078.25
  write: io=25,684KiB, bw=1,349KiB/s, runt= 19496msec
    clat (msec): min=    0, max=  201, avg= 9.41, stdev=32.88
    bw (KiB/s) : min=    0, max=12944, per=49.03%, avg=3215.20, stdev=4012.21
  cpu          : usr=4.68%, sys=1.04%, ctx=4324
  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=78.9%, 4=2.3%, 10=6.8%, 20=7.8%, 50=1.2%, 100=0.1%
     lat (msec): 250=2.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,012KiB/s, minb=5,337KiB/s, maxb=6,137KiB/s, mint=17086msec, maxt=19646msec
  WRITE: io=122MiB, aggrb=6,557KiB/s, minb=1,349KiB/s, maxb=3,086KiB/s, mint=17086msec, maxt=19646msec

Disk stats (read/write):
  sda: ios=8945/1310, merge=0/29930, ticks=31572/1974244, in_queue=2005816, util=98.36%
3.06user 0.72system 0:19.95elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8945major+100080minor)pagefaults 0swaps