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: [FFm] [37.5% done] [  1520/ 11128 kb/s] [eta 00m:05s]
Threads: 3: [FFF] [100.0% done] [   416/ 47664 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: [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: [VVV] [66.7% done] [     0/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [68.2% done] [ 16588/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [72.7% done] [ 31267/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [81.0% done] [ 29774/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [90.0% done] [ 32764/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 38096/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 37509/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 33677/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 32220/     0 kb/s] [eta 00m:00s]
Threads: 1: [__V] [100.0% done] [ 33559/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=27646
  read : io=100MiB, bw=4,442KiB/s, runt= 23601msec
    slat (msec): min=  140, max=22081, avg=17942.34, stdev=3104.66
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    6, max=27494, per=80.03%, avg=10615.93, stdev=7213.89
  write: io=99,428KiB, bw=7,178KiB/s, runt= 14183msec
    slat (msec): min=    0, max=   10, avg= 1.93, stdev= 2.00
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=112611, per=268.40%, avg=56305.50, stdev=79628.00
  cpu          : usr=5.14%, sys=1.75%, ctx=785
  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=27647
  read : io=100MiB, bw=4,510KiB/s, runt= 23247msec
    slat (msec): min=   47, max=21252, avg=16305.98, stdev=4774.51
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    9, max=23177, per=70.54%, avg=9356.59, stdev=6876.51
  write: io=95,872KiB, bw=6,923KiB/s, runt= 14179msec
    slat (msec): min=    0, max=   99, avg= 1.98, stdev= 5.15
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=95496, per=152.24%, avg=31937.00, stdev=55043.93
  cpu          : usr=5.20%, sys=1.60%, ctx=906
  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=27648
  read : io=100MiB, bw=4,421KiB/s, runt= 23714msec
    slat (msec): min=   57, max=19860, avg=15157.13, stdev=4153.53
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    8, max=21990, per=63.60%, avg=8436.19, stdev=6176.89
  write: io=95,428KiB, bw=6,885KiB/s, runt= 14191msec
    slat (msec): min=    0, max=   63, avg= 2.13, stdev= 4.13
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=17025, per=40.58%, avg=8512.50, stdev=12038.49
  cpu          : usr=4.94%, sys=1.60%, ctx=875
  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%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=13,265KiB/s, minb=4,421KiB/s, maxb=4,510KiB/s, mint=23247msec, maxt=23714msec
  WRITE: io=284MiB, aggrb=20,978KiB/s, minb=6,885KiB/s, maxb=7,178KiB/s, mint=23247msec, maxt=23714msec

Disk stats (read/write):
  sda: ios=3172/2210, merge=1300/70363, ticks=81540/1773584, in_queue=1873092, util=98.56%
3.65user 1.18system 0:24.06elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2425minor)pagefaults 0swaps