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] [42.9% done] [  1232/  2977 kb/s] [eta 00m:04s]
Threads: 3: [FFF] [100.0% done] [   602/ 43106 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: [FVF] [69.2% done] [     0/     0 kb/s] [eta 00m:04s]
Threads: 3: [FVF] [76.9% done] [ 11134/     0 kb/s] [eta 00m:03s]
Threads: 3: [FVF] [84.6% done] [ 13729/     0 kb/s] [eta 00m:02s]
Threads: 3: [FVF] [100.0% done] [ 15137/     0 kb/s] [eta 00m:00s]
Threads: 3: [FVF] [100.0% done] [ 16380/     0 kb/s] [eta 00m:00s]
Threads: 3: [FVF] [100.0% done] [  7964/     0 kb/s] [eta 00m:00s]
Threads: 3: [FVF] [100.0% done] [ 10976/     0 kb/s] [eta 00m:00s]
Threads: 3: [FVF] [100.0% done] [  8160/     0 kb/s] [eta 00m:00s]
Threads: 3: [FVF] [100.0% done] [  7948/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [69.2% done] [ 16048/     0 kb/s] [eta 00m:08s]
Threads: 2: [V_V] [73.1% done] [ 26652/     0 kb/s] [eta 00m:07s]
Threads: 2: [V_V] [87.0% done] [ 36310/     0 kb/s] [eta 00m:03s]
Threads: 2: [V_V] [100.0% done] [ 32664/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 36644/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 35180/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=31902
  read : io=100MiB, bw=4,383KiB/s, runt= 23921msec
    slat (msec): min=   68, max=21962, avg=18304.02, stdev=4297.75
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    5, max=23987, per=103.44%, avg=13430.46, stdev=7004.64
  write: io=94,568KiB, bw=5,411KiB/s, runt= 17896msec
    slat (msec): min=    0, max=  130, avg= 2.25, stdev= 7.49
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=87755, per=215.50%, avg=35972.00, stdev=45964.40
  cpu          : usr=5.12%, sys=1.42%, ctx=887
  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=31903
  read : io=100MiB, bw=5,862KiB/s, runt= 17885msec
    slat (msec): min= 8357, max=16911, avg=12623.86, stdev=2492.80
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   10, max=27450, per=82.47%, avg=10708.13, stdev=6301.27
  write: io=100MiB, bw=11,568KiB/s, runt=  9064msec
    slat (msec): min=    0, max=   21, avg= 1.96, stdev= 2.27
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=104626, per=313.40%, avg=52313.00, stdev=73981.75
  cpu          : usr=7.16%, sys=2.37%, ctx=746
  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=31904
  read : io=100MiB, bw=4,328KiB/s, runt= 24227msec
    slat (msec): min=   43, max=20728, avg=17318.47, stdev=4617.81
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    4, max=21848, per=80.86%, avg=10498.38, stdev=8430.66
  write: io=95,284KiB, bw=5,442KiB/s, runt= 17928msec
    slat (msec): min=    0, max=   93, avg= 2.16, stdev= 4.56
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=91673, per=183.32%, avg=30600.00, stdev=52890.81
  cpu          : usr=5.00%, sys=1.57%, ctx=1008
  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=12,984KiB/s, minb=4,328KiB/s, maxb=5,862KiB/s, mint=17885msec, maxt=24227msec
  WRITE: io=285MiB, aggrb=16,692KiB/s, minb=5,411KiB/s, maxb=11,568KiB/s, mint=17885msec, maxt=24227msec

Disk stats (read/write):
  sda: ios=3209/1968, merge=1155/70869, ticks=60264/2229892, in_queue=2366860, util=98.64%
3.76user 1.16system 0:24.50elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2422minor)pagefaults 0swaps