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] [ 11636/ 14568 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [23.5% done] [ 13284/ 19592 kb/s] [eta 00m:13s]
Threads: 3: [mmm] [31.2% done] [ 16504/ 16220 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [40.0% done] [ 11876/ 23856 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [46.7% done] [ 15059/ 17787 kb/s] [eta 00m:08s]
Threads: 3: [mmm] [53.3% done] [ 26871/  7076 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [56.2% done] [ 12857/ 11264 kb/s] [eta 00m:07s]
Threads: 3: [mmm] [55.6% done] [  5724/  1704 kb/s] [eta 00m:08s]
Threads: 3: [mFm] [57.9% done] [  7132/   296 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [60.0% done] [  5604/   416 kb/s] [eta 00m:08s]
Threads: 3: [FFm] [65.0% done] [  5052/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  5304/     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: [_FF] [100.0% done] [ 31204/     0 kb/s] [eta 00m:00s]
Threads: 2: [_FV] [74.1% done] [ 11132/     0 kb/s] [eta 00m:07s]
fio: (groupid=0): err= 0: pid=13596
  read : io=100MiB, bw=5,471KiB/s, runt= 19163msec
    clat (msec): min=    0, max=  521, avg= 5.06, stdev=28.78
    bw (KiB/s) : min=   21, max=18067, per=41.03%, avg=6189.00, stdev=5668.81
  write: io=31,204KiB, bw=1,683KiB/s, runt= 18981msec
    clat (msec): min=    0, max=  239, avg= 6.08, stdev=26.36
    bw (KiB/s) : min=    0, max=11186, per=63.27%, avg=4423.00, stdev=4925.68
  cpu          : usr=4.97%, sys=1.00%, ctx=2325
  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=85.9%, 4=1.8%, 10=4.6%, 20=4.1%, 50=0.8%, 100=0.6%
     lat (msec): 250=1.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=13597
  read : io=100MiB, bw=5,028KiB/s, runt= 20852msec
    clat (msec): min=    0, max=  251, avg= 2.20, stdev=19.00
    bw (KiB/s) : min=    7, max=18300, per=34.41%, avg=5190.77, stdev=6464.97
  write: io=62,312KiB, bw=3,112KiB/s, runt= 20501msec
    clat (msec): min=    0, max=  770, avg= 6.81, stdev=40.41
    bw (KiB/s) : min=    0, max=17072, per=91.94%, avg=6427.25, stdev=6131.11
  cpu          : usr=5.18%, sys=1.25%, ctx=1291
  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=93.6%, 4=0.7%, 10=2.0%, 20=1.3%, 50=0.3%, 100=0.4%
     lat (msec): 250=1.4%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=13598
  read : io=100MiB, bw=5,094KiB/s, runt= 20582msec
    clat (msec): min=    0, max=  279, avg= 5.47, stdev=24.26
    bw (KiB/s) : min=   22, max=18135, per=29.04%, avg=4380.38, stdev=4099.29
  write: io=46,452KiB, bw=2,341KiB/s, runt= 20317msec
    clat (msec): min=    0, max=  224, avg= 6.80, stdev=23.65
    bw (KiB/s) : min=    0, max=14757, per=91.78%, avg=6416.54, stdev=5599.42
  cpu          : usr=5.36%, sys=1.22%, ctx=5372
  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=77.9%, 4=1.9%, 10=7.0%, 20=8.6%, 50=1.6%, 100=1.4%
     lat (msec): 250=1.4%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=15,085KiB/s, minb=5,028KiB/s, maxb=5,471KiB/s, mint=19163msec, maxt=20852msec
  WRITE: io=137MiB, aggrb=6,991KiB/s, minb=1,683KiB/s, maxb=3,112KiB/s, mint=19163msec, maxt=20852msec

Disk stats (read/write):
  sda: ios=8726/1334, merge=0/33726, ticks=34000/1570164, in_queue=1604164, util=97.70%
3.14user 0.78system 0:21.08elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8724major+104078minor)pagefaults 0swaps