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: [FmF] [75.0% done] [  2134/185021 kb/s] [eta 00m:01s]
Threads: 3: [FFF] [100.0% done] [     0/  1914 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] [68.4% done] [     0/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [70.0% done] [ 16124/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [75.0% done] [ 26753/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [80.0% done] [ 34926/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [89.5% done] [ 31125/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 35075/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 30070/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 32897/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 36982/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 34130/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=12880
  read : io=100MiB, bw=4,607KiB/s, runt= 22756msec
    slat (msec): min=  175, max=19839, avg=15630.15, stdev=3763.77
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=19813, per=67.30%, avg=9226.94, stdev=5007.88
  write: io=94,812KiB, bw=7,310KiB/s, runt= 13280msec
    slat (msec): min=    0, max=   39, avg= 2.01, stdev= 3.30
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=109963, per=245.95%, avg=54981.50, stdev=77755.58
  cpu          : usr=5.29%, sys=1.62%, ctx=883
  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=12881
  read : io=100MiB, bw=4,672KiB/s, runt= 22442msec
    slat (msec): min=   62, max=19467, avg=14290.37, stdev=3794.07
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   16, max=13117, per=64.86%, avg=8893.41, stdev=4015.37
  write: io=95,044KiB, bw=7,333KiB/s, runt= 13272msec
    slat (msec): min=    0, max=   41, avg= 2.04, stdev= 3.44
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=112999, per=252.74%, avg=56499.50, stdev=79902.36
  cpu          : usr=5.56%, sys=1.55%, ctx=961
  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=12882
  read : io=100MiB, bw=4,570KiB/s, runt= 22942msec
    slat (msec): min=  231, max=21514, avg=17576.75, stdev=2972.87
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=   14, max=18317, per=71.45%, avg=9796.60, stdev=5009.97
  write: io=98MiB, bw=7,725KiB/s, runt= 13288msec
    slat (msec): min=    0, max=   14, avg= 1.70, stdev= 1.86
    clat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    bw (KiB/s) : min=    0, max=114998, per=257.21%, avg=57499.00, stdev=81315.87
  cpu          : usr=5.49%, sys=1.41%, ctx=976
  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=13,711KiB/s, minb=4,570KiB/s, maxb=4,672KiB/s, mint=22442msec, maxt=22942msec
  WRITE: io=283MiB, aggrb=22,355KiB/s, minb=7,310KiB/s, maxb=7,725KiB/s, mint=22442msec, maxt=22942msec

Disk stats (read/write):
  sda: ios=3106/1558, merge=1345/70805, ticks=102552/1637376, in_queue=1764884, util=99.02%
3.76user 1.08system 0:23.26elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2417minor)pagefaults 0swaps