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: [mmF] [8.1% done] [  9255/ 12378 kb/s] [eta 00m:34s]
Threads: 3: [mmF] [50.0% done] [   622/137503 kb/s] [eta 00m:04s]
Threads: 3: [FmF] [50.0% done] [  2561/  1969 kb/s] [eta 00m:05s]
Threads: 3: [FmF] [50.0% done] [  1311/     0 kb/s] [eta 00m:06s]
Threads: 3: [FFF] [100.0% done] [   484/ 29723 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: [VFV] [66.7% done] [     0/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [68.2% done] [ 13465/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [72.7% done] [ 32129/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [77.3% done] [ 24954/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [85.7% done] [ 31310/     0 kb/s] [eta 00m:03s]
Threads: 3: [VVV] [95.0% done] [ 34051/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 35284/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 33244/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 23756/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [100.0% done] [ 33949/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=12984
  read : io=100MiB, bw=4,382KiB/s, runt= 23929msec
    slat (msec): min=   18, max=19456, avg=14249.27, stdev=5214.88
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=14587, per=53.94%, avg=7091.05, stdev=4720.96
  write: io=88,472KiB, bw=6,303KiB/s, runt= 14373msec
    slat (msec): min=    0, max=  238, avg= 2.65, stdev=14.32
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=114998, per=267.01%, avg=51483.00, stdev=58435.54
  cpu          : usr=4.81%, sys=1.34%, ctx=1061
  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=12985
  read : io=100MiB, bw=4,499KiB/s, runt= 23304msec
    slat (msec): min=   87, max=16441, avg=11210.92, stdev=4876.64
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    8, max=22155, per=54.33%, avg=7141.78, stdev=6116.56
  write: io=84,316KiB, bw=5,999KiB/s, runt= 14391msec
    slat (msec): min=    0, max=  425, avg= 2.58, stdev=19.19
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=60147, per=104.16%, avg=20083.33, stdev=34696.19
  cpu          : usr=4.77%, sys=1.65%, ctx=1126
  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=12986
  read : io=100MiB, bw=4,475KiB/s, runt= 23431msec
    slat (msec): min=   83, max=21400, avg=16665.82, stdev=3806.04
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    4, max=21517, per=72.51%, avg=9532.56, stdev=6539.16
  write: io=98,184KiB, bw=6,993KiB/s, runt= 14377msec
    slat (msec): min=    0, max=   16, avg= 1.81, stdev= 2.06
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=33559, per=87.03%, avg=16779.50, stdev=23729.80
  cpu          : usr=5.31%, sys=1.52%, ctx=877
  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=13,146KiB/s, minb=4,382KiB/s, maxb=4,499KiB/s, mint=23304msec, maxt=23929msec
  WRITE: io=265MiB, aggrb=19,281KiB/s, minb=5,999KiB/s, maxb=6,993KiB/s, mint=23304msec, maxt=23929msec

Disk stats (read/write):
  sda: ios=3633/1809, merge=1392/65888, ticks=79740/1702372, in_queue=1784228, util=98.70%
3.58user 1.10system 0:24.34elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2413minor)pagefaults 0swaps