fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
...
fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8
Starting 3 threads
Threads: 3
Threads: 3
Threads: 3: [mmF] [9.4% done] [ 10778/ 34961 kb/s] [eta 00m:29s]
Threads: 3: [mmF] [36.4% done] [  4925/ 84263 kb/s] [eta 00m:07s]
Threads: 3: [mFF] [38.5% done] [  2175/ 39866 kb/s] [eta 00m:08s]
Threads: 3: [mFF] [37.5% done] [  2096/     0 kb/s] [eta 00m:10s]
Threads: 3: [mFF] [46.7% done] [  1227/ 12999 kb/s] [eta 00m:08s]
Threads: 3: [mFF] [61.5% done] [   830/ 17960 kb/s] [eta 00m:05s]
Threads: 3: [FFF] [100.0% done] [     0/ 12446 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] [69.6% done] [   674/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [68.0% done] [ 16977/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [72.0% done] [ 28077/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [79.2% done] [ 26506/     0 kb/s] [eta 00m:05s]
Threads: 3: [VVV] [83.3% done] [ 28936/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [91.3% done] [ 34352/     0 kb/s] [eta 00m:02s]
Threads: 3: [VVV] [100.0% done] [ 33275/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 33145/     0 kb/s] [eta 00m:00s]
Threads: 3: [VVV] [100.0% done] [ 24956/     0 kb/s] [eta 00m:00s]
Threads: 2: [V_V] [100.0% done] [ 34320/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=5335
  read : io=100MiB, bw=4,106KiB/s, runt= 25530msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  928, avg=75.70, stdev=123.93
    bw (KiB/s) : min=    0, max=18284, per=46.63%, avg=5744.41, stdev=4975.25
  write: io=80,468KiB, bw=5,142KiB/s, runt= 16024msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  339, avg= 2.56, stdev=23.18
    bw (KiB/s) : min=    0, max=22240, per=64.62%, avg=10843.67, stdev=11130.30
  cpu          : usr=2.43%, sys=1.41%, ctx=8586
  IO depths    : 1=1.0%, 2=49.6%, 4=30.0%, 8=19.3%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=46.5%, 4=3.6%, 10=13.3%, 20=17.5%, 50=2.9%, 100=1.2%
     lat (msec): 250=9.4%, 500=4.9%, 750=0.2%, 1000=0.2%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5336
  read : io=100MiB, bw=4,145KiB/s, runt= 25294msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  651, avg=63.14, stdev=100.27
    bw (KiB/s) : min=    8, max=15703, per=59.12%, avg=7282.48, stdev=4418.23
  write: io=84,948KiB, bw=5,425KiB/s, runt= 16032msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  139, avg= 0.39, stdev= 4.65
    bw (KiB/s) : min=    0, max=139501, per=415.65%, avg=69750.50, stdev=98642.10
  cpu          : usr=2.44%, sys=1.44%, ctx=8340
  IO depths    : 1=0.7%, 2=51.7%, 4=28.9%, 8=18.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=47.9%, 4=1.6%, 10=13.0%, 20=19.0%, 50=4.7%, 100=1.4%
     lat (msec): 250=8.6%, 500=3.4%, 750=0.2%, 1000=0.0%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=5337
  read : io=100MiB, bw=4,127KiB/s, runt= 25397msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  450, avg=51.86, stdev=84.25
    bw (KiB/s) : min=    7, max=18092, per=68.07%, avg=8384.95, stdev=5732.65
  write: io=97,324KiB, bw=6,216KiB/s, runt= 16032msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  163, avg= 0.75, stdev= 8.54
    bw (KiB/s) : min=    0, max=28948, per=86.25%, avg=14474.00, stdev=20469.33
  cpu          : usr=2.90%, sys=1.65%, ctx=8336
  IO depths    : 1=0.7%, 2=51.9%, 4=31.7%, 8=15.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=48.6%, 4=1.7%, 10=12.8%, 20=21.7%, 50=3.2%, 100=1.3%
     lat (msec): 250=8.2%, 500=2.1%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,319KiB/s, minb=4,106KiB/s, maxb=4,145KiB/s, mint=25294msec, maxt=25530msec
  WRITE: io=257MiB, aggrb=16,781KiB/s, minb=5,142KiB/s, maxb=6,216KiB/s, mint=25294msec, maxt=25530msec

Disk stats (read/write):
  sda: ios=3725/1941, merge=1270/63640, ticks=78476/2174768, in_queue=2263120, util=99.43%
2.03user 1.19system 0:25.79elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2472minor)pagefaults 0swaps