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] [10.0% done] [  7264/ 53968 kb/s] [eta 00m:27s]
Threads: 3: [mmF] [44.4% done] [  3804/ 46928 kb/s] [eta 00m:05s]
Threads: 3: [FmF] [45.5% done] [  1320/  2684 kb/s] [eta 00m:06s]
Threads: 3: [FmF] [46.2% done] [   612/   320 kb/s] [eta 00m:07s]
Threads: 3: [FmF] [46.7% done] [  1020/     0 kb/s] [eta 00m:08s]
Threads: 3: [FmF] [47.1% done] [  1364/     0 kb/s] [eta 00m:09s]
Threads: 3: [FmF] [47.4% done] [   632/   456 kb/s] [eta 00m:10s]
Threads: 3: [FFF] [100.0% done] [   480/ 31424 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: [FFV] [68.2% done] [   772/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [69.6% done] [ 21296/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [68.0% done] [ 25904/     0 kb/s] [eta 00m:08s]
Threads: 3: [VVV] [72.0% done] [ 32764/     0 kb/s] [eta 00m:07s]
Threads: 3: [VVV] [76.0% done] [ 24304/     0 kb/s] [eta 00m:06s]
Threads: 3: [VVV] [83.3% done] [ 30064/     0 kb/s] [eta 00m:04s]
Threads: 3: [VVV] [95.5% done] [ 35020/     0 kb/s] [eta 00m:01s]
Threads: 3: [VVV] [100.0% done] [ 30309/     0 kb/s] [eta 00m:00s]
Threads: 2: [VVE] [100.0% done] [ 27536/     0 kb/s] [eta 00m:00s]
Threads: 1: [V__] [100.0% done] [ 35484/     0 kb/s] [eta 00m:00s]
fio: (groupid=0): err= 0: pid=19651
  read : io=100MiB, bw=4,217KiB/s, runt= 24863msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max= 1112, avg=55.92, stdev=116.67
    bw (KiB/s) : min=    0, max=21528, per=53.05%, avg=6711.67, stdev=6320.52
  write: io=92,868KiB, bw=5,967KiB/s, runt= 15936msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  215, avg= 0.97, stdev= 9.68
    bw (KiB/s) : min=    0, max=42475, per=148.55%, avg=25843.00, stdev=22686.19
  cpu          : usr=2.85%, sys=1.88%, ctx=5412
  IO depths    : 1=1.7%, 2=56.1%, 4=29.7%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=49.0%, 4=0.2%, 10=22.8%, 20=12.7%, 50=4.4%, 100=1.3%
     lat (msec): 250=6.3%, 500=2.6%, 750=0.4%, 1000=0.2%, >=2000=0.1%
fio: (groupid=0): err= 0: pid=19652
  read : io=100MiB, bw=4,302KiB/s, runt= 24366msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  984, avg=84.81, stdev=144.43
    bw (KiB/s) : min=   27, max=19350, per=45.59%, avg=5767.75, stdev=5269.11
  write: io=79,128KiB, bw=5,084KiB/s, runt= 15936msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  719, avg= 5.92, stdev=49.31
    bw (KiB/s) : min=    0, max=17521, per=26.27%, avg=4570.25, stdev=8638.74
  cpu          : usr=2.46%, sys=1.72%, ctx=5290
  IO depths    : 1=1.0%, 2=50.8%, 4=29.5%, 8=18.7%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=46.0%, 4=0.1%, 10=13.8%, 20=15.1%, 50=7.7%, 100=1.0%
     lat (msec): 250=10.9%, 500=3.4%, 750=1.2%, 1000=0.5%, >=2000=0.0%
fio: (groupid=0): err= 0: pid=19653
  read : io=100MiB, bw=4,438KiB/s, runt= 23627msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=  502, avg=44.00, stdev=71.55
    bw (KiB/s) : min=    6, max=23267, per=76.54%, avg=9682.63, stdev=7934.03
  write: io=98,748KiB, bw=6,761KiB/s, runt= 14956msec
    slat (msec): min=    0, max=    0, avg= 0.00, stdev= 0.00
    clat (msec): min=    0, max=   63, avg= 0.38, stdev= 2.62
    bw (KiB/s) : min=    0, max=41511, per=119.31%, avg=20755.50, stdev=29352.71
  cpu          : usr=3.25%, sys=1.71%, ctx=5214
  IO depths    : 1=1.4%, 2=55.5%, 4=31.0%, 8=12.1%, 16=0.0%, 32=0.0%, >=64=0.0%
     lat (msec): 2=50.2%, 4=0.3%, 10=18.0%, 20=14.2%, 50=6.1%, 100=2.5%
     lat (msec): 250=7.8%, 500=0.9%, 750=0.0%, 1000=0.0%, >=2000=0.0%

Run status group 0 (all jobs):
   READ: io=300MiB, aggrb=12,651KiB/s, minb=4,217KiB/s, maxb=4,438KiB/s, mint=23627msec, maxt=24863msec
  WRITE: io=264MiB, aggrb=17,397KiB/s, minb=5,084KiB/s, maxb=6,761KiB/s, mint=23627msec, maxt=24863msec

Disk stats (read/write):
  sda: ios=3605/2199, merge=1190/65312, ticks=88856/1931604, in_queue=2024132, util=99.15%
2.12user 1.36system 0:25.15elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+2476minor)pagefaults 0swaps