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] [13.0% done] [ 27888/  3576 kb/s] [eta 00m:20s]
Threads: 3: [mmm] [17.4% done] [ 24552/  4112 kb/s] [eta 00m:19s]
Threads: 3: [mmm] [25.0% done] [ 20652/  6064 kb/s] [eta 00m:15s]
Threads: 3: [mmm] [30.0% done] [ 29908/   148 kb/s] [eta 00m:14s]
Threads: 3: [mmm] [38.9% done] [ 21948/  7456 kb/s] [eta 00m:11s]
Threads: 3: [mmm] [44.4% done] [  9152/ 14756 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [47.4% done] [  7448/ 11196 kb/s] [eta 00m:10s]
Threads: 3: [mmm] [52.6% done] [  7536/  5732 kb/s] [eta 00m:09s]
Threads: 3: [mmm] [57.9% done] [  9612/  1164 kb/s] [eta 00m:08s]
Threads: 3: [mFm] [60.0% done] [ 10116/  1112 kb/s] [eta 00m:08s]
Threads: 3: [mFm] [61.9% done] [  6284/     0 kb/s] [eta 00m:08s]
Threads: 3: [mFm] [63.6% done] [  5804/     0 kb/s] [eta 00m:08s]
Threads: 3: [FFF] [100.0% done] [  4452/  2840 kb/s] [eta 00m:00s]
Threads: 2: [FEF] [100.0% done] [ 11288/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
Threads: 2: [F_F] [100.0% done] [     0/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=7785
  read : io=100MiB, bw=5,594KiB/s, runt= 18744msec
    clat (msec): min=    0, max=  306, avg= 6.02, stdev=31.41
    bw (KiB/s) : min=   16, max=13578, per=31.21%, avg=5105.35, stdev=4270.04
  write: io=38,796KiB, bw=2,145KiB/s, runt= 18519msec
    clat (msec): min=    0, max=  307, avg= 6.74, stdev=33.84
    bw (KiB/s) : min=    0, max=21585, per=157.27%, avg=7151.11, stdev=7783.07
  cpu          : usr=5.14%, sys=1.39%, ctx=3371
  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=83.5%, 4=2.0%, 10=5.2%, 20=5.9%, 50=0.8%, 100=0.1%
     lat (msec): 250=1.6%, 500=0.7%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=7786
  read : io=100MiB, bw=6,457KiB/s, runt= 16237msec
    clat (msec): min=    0, max=  292, avg= 5.49, stdev=29.55
    bw (KiB/s) : min=    5, max=16534, per=47.40%, avg=7753.14, stdev=5435.18
  write: io=11,288KiB, bw=714KiB/s, runt= 16167msec
    clat (msec): min=    0, max=  284, avg= 5.96, stdev=33.66
    bw (KiB/s) : min=    0, max=10329, per=50.13%, avg=2279.43, stdev=3765.59
  cpu          : usr=5.20%, sys=0.69%, ctx=2715
  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=85.2%, 4=1.7%, 10=4.7%, 20=5.4%, 50=0.6%, 100=0.2%
     lat (msec): 250=1.5%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=7787
  read : io=100MiB, bw=5,452KiB/s, runt= 19230msec
    clat (msec): min=    0, max=  341, avg= 5.45, stdev=31.37
    bw (KiB/s) : min=   19, max=13594, per=29.43%, avg=4814.36, stdev=4177.81
  write: io=34,432KiB, bw=1,852KiB/s, runt= 19033msec
    clat (msec): min=    0, max=  604, avg= 9.18, stdev=46.77
    bw (KiB/s) : min=    0, max=11158, per=75.82%, avg=3447.67, stdev=4529.57
  cpu          : usr=4.99%, sys=0.87%, ctx=2983
  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=1.7%, 10=5.0%, 20=5.0%, 50=0.7%, 100=0.1%
     lat (msec): 250=1.5%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=16,358KiB/s, minb=5,452KiB/s, maxb=6,457KiB/s, mint=16237msec, maxt=19230msec
  WRITE: io=84,516KiB, aggrb=4,547KiB/s, minb=714KiB/s, maxb=2,145KiB/s, mint=16237msec, maxt=19230msec

Disk stats (read/write):
  sda: ios=8782/1068, merge=0/20116, ticks=39628/1257196, in_queue=1296824, util=98.20%
2.77user 0.55system 0:19.55elapsed 16%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (8781major+90144minor)pagefaults 0swaps