fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mFm] [7.7% done] [ 12612/ 43980 kb/s] [eta 00m:36s]
Threads: 3: [mFm] [9.1% done] [  3223/ 55268 kb/s] [eta 00m:40s]
Threads: 3: [mFm] [18.5% done] [  6716/  9428 kb/s] [eta 00m:22s]
Threads: 3: [mFm] [50.0% done] [  4824/ 52360 kb/s] [eta 00m:06s]
Threads: 3: [mFF] [50.0% done] [   848/ 14364 kb/s] [eta 00m:07s]
Threads: 3: [mFF] [50.0% done] [  1260/     0 kb/s] [eta 00m:08s]
Threads: 3: [mFF] [50.0% done] [  1268/     0 kb/s] [eta 00m:09s]
Threads: 3: [mFF] [50.0% done] [  1464/     0 kb/s] [eta 00m:10s]
Threads: 3: [mFF] [52.4% done] [  1348/     0 kb/s] [eta 00m:10s]
Threads: 3: [mFF] [52.2% done] [   712/     0 kb/s] [eta 00m:11s]
Threads: 3: [mFF] [52.0% done] [  1056/     0 kb/s] [eta 00m:12s]
Threads: 3: [FFF] [100.0% done] [   504/ 22244 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: [FVV] [69.2% done] [  3832/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [67.9% done] [ 26776/     0 kb/s] [eta 00m:09s]
Threads: 3: [VVV] [71.4% done] [ 28900/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [72.4% done] [ 22952/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [75.9% done] [ 31936/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [79.3% done] [ 29092/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [85.7% done] [ 23056/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [92.6% done] [ 33032/     0 kb/s] [eta 00m:02s]
Threads: 2: [VV_] [100.0% done] [ 28680/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=1332
  read : io=100MiB, bw=3,852KiB/s, runt= 27220msec
    slat (msec): min=   67, max=13821, avg=9117.97, stdev=5025.26
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=28291, per=43.16%, avg=4987.47, stdev=6003.66
  write: io=73,496KiB, bw=4,092KiB/s, runt= 18390msec
    slat (msec): min=    0, max=  183, avg= 2.27, stdev= 8.45
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=83610, per=199.35%, avg=27879.00, stdev=48264.46
  cpu          : usr=4.03%, sys=1.18%, ctx=1359
  IO depths    : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.4%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=1333
  read : io=100MiB, bw=3,943KiB/s, runt= 26591msec
    slat (msec): min=   94, max=24072, avg=18903.95, stdev=4712.64
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=22257, per=83.34%, avg=9630.61, stdev=6304.55
  write: io=97,292KiB, bw=5,609KiB/s, runt= 17760msec
    slat (msec): min=    0, max=   97, avg= 1.96, stdev= 3.23
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=94045, per=224.31%, avg=31369.67, stdev=54278.44
  cpu          : usr=4.57%, sys=1.38%, ctx=920
  IO depths    : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=1334
  read : io=100MiB, bw=3,969KiB/s, runt= 26417msec
    slat (msec): min=   68, max=20280, avg=13705.22, stdev=5998.82
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    1, max=17602, per=62.70%, avg=7245.46, stdev=5326.61
  write: io=80,384KiB, bw=4,636KiB/s, runt= 17752msec
    slat (msec): min=    0, max=  248, avg= 2.13, stdev= 9.61
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=76488, per=182.66%, avg=25545.00, stdev=44117.99
  cpu          : usr=4.12%, sys=1.41%, ctx=1209
  IO depths    : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0%
     lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=11,556KiB/s, minb=3,852KiB/s, maxb=3,969KiB/s, mint=26417msec, maxt=27220msec
  WRITE: io=245MiB, aggrb=13,985KiB/s, minb=4,092KiB/s, maxb=5,609KiB/s, mint=26417msec, maxt=27220msec

Disk stats (read/write):
  sda: ios=3981/2260, merge=1260/60235, ticks=84108/2114908, in_queue=2231620, util=99.12%
3.44user 1.09system 0:27.48elapsed 16%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2421minor)pagefaults 0swaps