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] [14.3% done] [ 25677/  5932 kb/s] [eta 00m:18s]
Threads: 3: [mmm] [22.2% done] [ 26729/  4652 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [31.2% done] [ 15839/ 17863 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [35.3% done] [ 19155/  8529 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [41.2% done] [ 12141/ 17854 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [50.0% done] [ 18891/ 16367 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [56.2% done] [ 13228/  6304 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [58.8% done] [ 18112/  1060 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [61.1% done] [  6012/     0 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [63.2% done] [  4440/  4216 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [65.0% done] [  3868/  4100 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  4652/   256 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: 3: [FFF] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FF] [100.0% done] [ 27120/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=16090
  read : io=100MiB, bw=5,904KiB/s, runt= 17758msec
    clat (msec): min=    0, max=  265, avg= 4.97, stdev=24.10
    bw (KiB/s) : min=   12, max=14245, per=38.58%, avg=6319.65, stdev=5156.61
  write: io=27,120KiB, bw=1,577KiB/s, runt= 17600msec
    clat (msec): min=    0, max=  244, avg= 8.16, stdev=31.91
    bw (KiB/s) : min=    0, max=11142, per=77.35%, avg=4203.08, stdev=4644.77
  cpu          : usr=4.82%, sys=1.06%, ctx=3222
  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=82.1%, 4=2.1%, 10=5.6%, 20=6.5%, 50=0.8%, 100=0.4%
     lat (msec): 250=2.3%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=16091
  read : io=100MiB, bw=5,510KiB/s, runt= 19029msec
    clat (msec): min=    0, max=  249, avg= 4.77, stdev=21.93
    bw (KiB/s) : min=    9, max=16569, per=32.53%, avg=5328.86, stdev=5469.35
  write: io=40,092KiB, bw=2,184KiB/s, runt= 18790msec
    clat (msec): min=    0, max=  251, avg= 7.30, stdev=29.64
    bw (KiB/s) : min=    0, max=11156, per=80.41%, avg=4369.53, stdev=4360.00
  cpu          : usr=5.63%, sys=1.37%, ctx=4731
  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=80.4%, 4=2.2%, 10=6.3%, 20=7.3%, 50=0.8%, 100=0.8%
     lat (msec): 250=1.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=16092
  read : io=100MiB, bw=5,460KiB/s, runt= 19202msec
    clat (msec): min=    0, max= 1498, avg= 4.28, stdev=44.01
    bw (KiB/s) : min=    0, max=16560, per=41.46%, avg=6792.47, stdev=6327.57
  write: io=33,640KiB, bw=1,812KiB/s, runt= 19002msec
    clat (msec): min=    0, max=  896, avg= 7.94, stdev=50.67
    bw (KiB/s) : min=    0, max=12025, per=88.33%, avg=4800.00, stdev=4994.23
  cpu          : usr=5.17%, sys=0.75%, ctx=1102
  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=94.1%, 4=0.5%, 10=1.9%, 20=1.0%, 50=0.0%, 100=0.3%
     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=16,382KiB/s, minb=5,460KiB/s, maxb=5,904KiB/s, mint=17758msec, maxt=19202msec
  WRITE: io=98MiB, aggrb=5,434KiB/s, minb=1,577KiB/s, maxb=2,184KiB/s, mint=17758msec, maxt=19202msec

Disk stats (read/write):
  sda: ios=8737/1219, merge=0/24040, ticks=36772/1204244, in_queue=1241012, util=98.02%
2.94user 0.64system 0:19.53elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8736major+94280minor)pagefaults 0swaps