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] [  1836/ 50352 kb/s] [eta 00m:04s]
Threads: 3: [FFm] [50.0% done] [   508/  5856 kb/s] [eta 00m:04s]
Threads: 3: [FFm] [50.0% done] [  1124/     0 kb/s] [eta 00m:05s]
Threads: 3: [FFm] [50.0% done] [  1052/     0 kb/s] [eta 00m:06s]
Threads: 3: [FFm] [50.0% done] [  1088/     0 kb/s] [eta 00m:07s]
Threads: 3: [FFF] [100.0% done] [  1116/ 28972 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] [  9324/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [71.4% done] [ 31920/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [80.0% done] [ 25340/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [85.0% done] [ 31204/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [90.0% done] [ 34292/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 37584/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 32684/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 34660/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 32588/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=15537
  read : io=100MiB, bw=4,535KiB/s, runt= 23117msec
    slat (msec): min=    0, max=21231, avg=16222.84, stdev=4345.91
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    6, max=15412, per=69.56%, avg=9464.59, stdev=5451.12
  write: io=98MiB, bw=7,696KiB/s, runt= 13398msec
    slat (msec): min=    0, max=   16, avg= 2.22, stdev= 2.47
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=100515, per=229.13%, avg=50257.50, stdev=71074.84
  cpu          : usr=5.47%, sys=1.90%, ctx=853
  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%
fio: (groupid=0): err= 0: pid=15538
  read : io=100MiB, bw=4,795KiB/s, runt= 21867msec
    slat (msec): min=   32, max=20297, avg=15968.06, stdev=3818.72
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    6, max=22698, per=80.22%, avg=10916.00, stdev=7089.08
  write: io=99MiB, bw=7,729KiB/s, runt= 13394msec
    slat (msec): min=    0, max=   18, avg= 2.38, stdev= 2.73
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=93671, per=222.49%, avg=48802.00, stdev=46959.19
  cpu          : usr=5.78%, sys=2.14%, ctx=844
  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=15539
  read : io=100MiB, bw=4,540KiB/s, runt= 23095msec
    slat (msec): min=   67, max=15308, avg=10377.72, stdev=4223.42
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   28, max=14356, per=43.68%, avg=5944.00, stdev=4824.90
  write: io=85,180KiB, bw=6,511KiB/s, runt= 13396msec
    slat (msec): min=    0, max=  190, avg= 2.32, stdev=11.05
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=83841, per=127.51%, avg=27967.33, stdev=48388.02
  cpu          : usr=5.25%, sys=1.58%, ctx=1127
  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=13,607KiB/s, minb=4,535KiB/s, maxb=4,795KiB/s, mint=21867msec, maxt=23117msec
  WRITE: io=280MiB, aggrb=21,934KiB/s, minb=6,511KiB/s, maxb=7,729KiB/s, mint=21867msec, maxt=23117msec

Disk stats (read/write):
  sda: ios=3420/1685, merge=1515/69906, ticks=86204/1704892, in_queue=1794608, util=98.59%
3.80user 1.27system 0:23.42elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2403minor)pagefaults 0swaps