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: [Fmm] [10.7% done] [  7824/     0 kb/s] [eta 00m:25s]
Threads: 3: [Fmm] [25.0% done] [  4504/ 17564 kb/s] [eta 00m:12s]
Threads: 3: [Fmm] [41.7% done] [  4452/ 37116 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  4056/ 62132 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: 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: [VFF] [68.4% done] [     0/     0 kb/s] [eta 00m:06s]
Threads: 3: [VFF] [82.4% done] [ 19349/     0 kb/s] [eta 00m:03s]
Threads: 3: [VFF] [100.0% done] [ 21952/     0 kb/s] [eta 00m:00s]
Threads: 3: [VFF] [100.0% done] [ 14997/     0 kb/s] [eta 00m:00s]
Threads: 3: [VFF] [100.0% done] [ 18053/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [69.2% done] [ 21464/     0 kb/s] [eta 00m:08s]
Threads: 2: [_VV] [70.4% done] [ 25926/     0 kb/s] [eta 00m:08s]
Threads: 2: [_VV] [83.3% done] [ 29337/     0 kb/s] [eta 00m:04s]
Threads: 2: [_VV] [91.3% done] [ 24241/     0 kb/s] [eta 00m:02s]
Threads: 2: [_VV] [100.0% done] [ 31925/     0 kb/s] [eta 00m:00s]
Threads: 2: [_VV] [100.0% done] [ 24034/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [100.0% done] [ 30160/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=865
  read : io=100MiB, bw=5,409KiB/s, runt= 19385msec
    slat (msec): min=12308, max=18449, avg=15221.67, stdev=1703.75
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    5, max=31218, per=123.90%, avg=15712.25, stdev=7572.17
  write: io=100MiB, bw=8,117KiB/s, runt= 12917msec
    slat (msec): min=    0, max=   19, avg= 1.77, stdev= 1.92
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=116514, per=373.16%, avg=58257.00, stdev=82387.84
  cpu          : usr=6.29%, sys=2.19%, ctx=744
  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=866
  read : io=100MiB, bw=4,273KiB/s, runt= 24537msec
    slat (msec): min=   39, max=18783, avg=14453.07, stdev=5533.72
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    8, max=22814, per=61.97%, avg=7858.80, stdev=7117.36
  write: io=87,256KiB, bw=5,069KiB/s, runt= 17626msec
    slat (msec): min=    0, max=  247, avg= 2.15, stdev= 7.12
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=71593, per=152.89%, avg=23869.33, stdev=41329.91
  cpu          : usr=4.89%, sys=1.47%, ctx=1150
  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=867
  read : io=100MiB, bw=4,227KiB/s, runt= 24805msec
    slat (msec): min=   47, max=18939, avg=13736.99, stdev=5660.24
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    5, max=21127, per=62.49%, avg=7923.90, stdev=7119.10
  write: io=79,264KiB, bw=4,601KiB/s, runt= 17638msec
    slat (msec): min=    0, max=   51, avg= 1.78, stdev= 3.60
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=103040, per=220.74%, avg=34461.33, stdev=59391.12
  cpu          : usr=4.47%, sys=1.81%, ctx=1220
  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%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,681KiB/s, minb=4,227KiB/s, maxb=5,409KiB/s, mint=19385msec, maxt=24805msec
  WRITE: io=263MiB, aggrb=15,612KiB/s, minb=4,601KiB/s, maxb=8,117KiB/s, mint=19385msec, maxt=24805msec

Disk stats (read/write):
  sda: ios=3691/1894, merge=1160/65256, ticks=75736/2242200, in_queue=2331112, util=99.04%
3.59user 1.23system 0:25.02elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2426minor)pagefaults 0swaps