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] [15.0% done] [ 10912/ 21676 kb/s] [eta 00m:17s]
Threads: 3: [mmm] [22.2% done] [ 12151/ 13665 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [26.3% done] [ 14044/ 13116 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [33.3% done] [ 12972/ 11764 kb/s] [eta 00m:12s]
Threads: 3: [mmm] [38.9% done] [ 21932/  6328 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [44.4% done] [ 20540/  6808 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [47.4% done] [ 16616/  6588 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [52.6% done] [  9912/  2768 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [55.0% done] [  3116/  7452 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [60.0% done] [  2876/  8104 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [61.9% done] [  3508/  3640 kb/s] [eta 00m:08s]
Threads: 3: [mFF] [63.6% done] [  3716/  2844 kb/s] [eta 00m:08s]
Threads: 3: [mFF] [68.2% done] [  5676/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  1504/     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: 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] [ 51668/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=9034
  read : io=100MiB, bw=4,907KiB/s, runt= 21366msec
    clat (msec): min=    0, max=  302, avg= 4.19, stdev=24.70
    bw (KiB/s) : min=    7, max=10534, per=33.09%, avg=4737.78, stdev=3655.55
  write: io=51,668KiB, bw=2,510KiB/s, runt= 21071msec
    clat (msec): min=    0, max=  307, avg=11.07, stdev=42.96
    bw (KiB/s) : min=    0, max=11039, per=79.15%, avg=4994.24, stdev=4001.69
  cpu          : usr=4.87%, sys=1.14%, ctx=4307
  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=82.5%, 4=1.4%, 10=5.8%, 20=7.0%, 50=0.6%, 100=0.6%
     lat (msec): 250=1.4%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=9035
  read : io=100MiB, bw=4,800KiB/s, runt= 21844msec
    clat (msec): min=    0, max=  303, avg= 4.01, stdev=25.56
    bw (KiB/s) : min=    8, max=20810, per=41.16%, avg=5893.63, stdev=5582.86
  write: io=46,068KiB, bw=2,193KiB/s, runt= 21504msec
    clat (msec): min=    0, max=  310, avg= 9.39, stdev=41.20
    bw (KiB/s) : min=    0, max=13530, per=89.92%, avg=5673.93, stdev=4952.07
  cpu          : usr=5.04%, sys=1.12%, ctx=3169
  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=85.1%, 4=2.2%, 10=4.9%, 20=4.9%, 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=9036
  read : io=100MiB, bw=4,773KiB/s, runt= 21968msec
    clat (msec): min=    0, max=  342, avg= 5.16, stdev=29.97
    bw (KiB/s) : min=    2, max=15974, per=35.88%, avg=5137.68, stdev=4831.84
  write: io=35,888KiB, bw=1,694KiB/s, runt= 21684msec
    clat (msec): min=    0, max=  306, avg= 5.10, stdev=28.51
    bw (KiB/s) : min=    0, max=20305, per=86.07%, avg=5430.92, stdev=7220.07
  cpu          : usr=4.77%, sys=0.86%, ctx=2885
  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=86.3%, 4=1.9%, 10=4.7%, 20=4.5%, 50=0.6%, 100=0.1%
     lat (msec): 250=1.5%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=14,319KiB/s, minb=4,773KiB/s, maxb=4,907KiB/s, mint=21366msec, maxt=21968msec
  WRITE: io=130MiB, aggrb=6,310KiB/s, minb=1,694KiB/s, maxb=2,510KiB/s, mint=21366msec, maxt=21968msec

Disk stats (read/write):
  sda: ios=10018/1354, merge=0/32075, ticks=39588/1507400, in_queue=1546984, util=98.14%
3.21user 0.77system 0:22.24elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (10018major+101204minor)pagefaults 0swaps