tombo2-progress’s diary

できるだけ毎日1時間を切り取ってここに晒す。誤字脱字気にしない。日本語が崩壊するのも気にしない。最終的にまとめて本ブログに書く

fioでssdのベンチマークを計測してみる

fioでssdのIO速度を図ってみる

github.com

こちらを参考に設定ファイルを作って実験

github.com

ここで書いているのはこの時点のコミットの結果

ssd sample · tom--bo/bench-settings@7574028 · GitHub

デフォルトで使われるioengineのlibaioがないとおこられてlibaio-dev, libaio1等入れてみるも変わらない。。。

Error

ioエンジンが見つかっていないようなエラー出てる

io       31339 ioengine sg unregistered
io       31339 ioengine mtd unregistered
io       31339 ioengine splice unregistered
io       31339 ioengine e4defrag unregistered
io       31339 ioengine falloc unregistered
io       31339 ioengine posixaio unregistered
io       31339 ioengine libaio unregistered
io       31339 ioengine filecreate unregistered
io       31339 ioengine ftruncate unregistered
io       31339 ioengine net unregistered
io       31339 ioengine netsplice unregistered
io       31339 ioengine null unregistered
io       31339 ioengine sync unregistered
io       31339 ioengine psync unregistered
io       31339 ioengine vsync unregistered
io       31339 ioengine pvsync unregistered
io       31339 ioengine pvsync2 unregistered
io       31339 ioengine mmap unregistered
io       31339 ioengine cpuio unregistered

とりあえず結果は出るのでread, writeをsequencial, randomで計測

8, 16, 32kbのブロックサイズでシーケンシャルにreadもしくはwrite

Seq-Read: (g=0): rw=read, bs=(R) 8192B-8192B, (W) 8192B-8192B, (T) 8192B-8192B, ioengine=libaio, iodepth=1
Seq-Read: (g=1): rw=read, bs=(R) 16.0KiB-16.0KiB, (W) 16.0KiB-16.0KiB, (T) 16.0KiB-16.0KiB, ioengine=libaio, iodepth=1
Seq-Read: (g=2): rw=read, bs=(R) 32.0KiB-32.0KiB, (W) 32.0KiB-32.0KiB, (T) 32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
Seq-Write: (g=3): rw=write, bs=(R) 8192B-8192B, (W) 8192B-8192B, (T) 8192B-8192B, ioengine=libaio, iodepth=1
Seq-Write: (g=4): rw=write, bs=(R) 16.0KiB-16.0KiB, (W) 16.0KiB-16.0KiB, (T) 16.0KiB-16.0KiB, ioengine=libaio, iodepth=1
Seq-Write: (g=5): rw=write, bs=(R) 32.0KiB-32.0KiB, (W) 32.0KiB-32.0KiB, (T) 32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
fio-3.7
Starting 6 processes

Seq-Read: (groupid=0, jobs=1): err= 0: pid=1154: Mon Jul  2 00:35:58 2018
   read: IOPS=29.6k, BW=231MiB/s (242MB/s)(9462MiB/40968msec)
    slat (nsec): min=3047, max=65538, avg=3644.71, stdev=973.22
    clat (usec): min=14, max=1301, avg=29.72, stdev= 5.29
     lat (usec): min=28, max=1305, avg=33.42, stdev= 5.96
    clat percentiles (nsec):
     |  1.00th=[27264],  5.00th=[27776], 10.00th=[27776], 20.00th=[27776],
     | 30.00th=[28032], 40.00th=[28032], 50.00th=[28288], 60.00th=[28544],
     | 70.00th=[28800], 80.00th=[29568], 90.00th=[31104], 95.00th=[42240],
     | 99.00th=[44288], 99.50th=[45312], 99.90th=[67072], 99.95th=[72192],
     | 99.99th=[86528]
   bw (  KiB/s): min=121728, max=248080, per=82.72%, avg=195630.62, stdev=46297.03, samples=81
   iops        : min=15216, max=31010, avg=24453.62, stdev=5787.21, samples=81
  lat (usec)   : 20=0.01%, 50=99.63%, 100=0.36%, 250=0.01%, 500=0.01%
  lat (usec)   : 750=0.01%, 1000=0.01%
  lat (msec)   : 2=0.01%
  cpu          : usr=3.67%, sys=12.11%, ctx=1211158, majf=0, minf=12
  IO depths    : 1=108.2%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=1211128,0,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1
Seq-Read: (groupid=1, jobs=1): err= 0: pid=1179: Mon Jul  2 00:35:58 2018
   read: IOPS=16.8k, BW=262MiB/s (275MB/s)(8967MiB/34173msec)
    slat (usec): min=3, max=540, avg= 6.27, stdev= 2.35
    clat (usec): min=9, max=1178, avg=52.48, stdev= 8.22
     lat (usec): min=43, max=1200, avg=58.84, stdev= 9.60
    clat percentiles (usec):
     |  1.00th=[   43],  5.00th=[   43], 10.00th=[   44], 20.00th=[   45],
     | 30.00th=[   46], 40.00th=[   55], 50.00th=[   56], 60.00th=[   57],
     | 70.00th=[   58], 80.00th=[   58], 90.00th=[   58], 95.00th=[   59],
     | 99.00th=[   64], 99.50th=[   79], 99.90th=[   92], 99.95th=[  100],
     | 99.99th=[  262]
   bw (  KiB/s): min=120224, max=318720, per=87.39%, avg=234801.13, stdev=57676.26, samples=67
   iops        : min= 7514, max=19920, avg=14674.93, stdev=3604.83, samples=67
  lat (usec)   : 10=0.01%, 50=34.91%, 100=65.04%, 250=0.04%, 500=0.01%
  lat (usec)   : 750=0.01%
  lat (msec)   : 2=0.01%
  cpu          : usr=2.58%, sys=12.80%, ctx=573898, majf=0, minf=11
  IO depths    : 1=114.2%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=573865,0,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1
Seq-Read: (groupid=2, jobs=1): err= 0: pid=1241: Mon Jul  2 00:35:58 2018
   read: IOPS=9822, BW=307MiB/s (322MB/s)(8721MiB/28413msec)
    slat (usec): min=3, max=228, avg=13.14, stdev= 5.66
    clat (usec): min=67, max=1287, avg=87.13, stdev= 8.43
     lat (usec): min=73, max=1291, avg=100.44, stdev=12.70
    clat percentiles (usec):
     |  1.00th=[   72],  5.00th=[   75], 10.00th=[   83], 20.00th=[   84],
     | 30.00th=[   85], 40.00th=[   85], 50.00th=[   86], 60.00th=[   88],
     | 70.00th=[   90], 80.00th=[   91], 90.00th=[   94], 95.00th=[   96],
     | 99.00th=[  112], 99.50th=[  122], 99.90th=[  151], 99.95th=[  174],
     | 99.99th=[  293]
   bw (  KiB/s): min=146112, max=339072, per=90.22%, avg=283571.98, stdev=57101.78, samples=56
   iops        : min= 4566, max=10596, avg=8861.52, stdev=1784.46, samples=56
  lat (usec)   : 100=97.08%, 250=2.90%, 500=0.01%, 750=0.01%
  lat (msec)   : 2=0.01%
  cpu          : usr=3.11%, sys=15.16%, ctx=279102, majf=0, minf=11
  IO depths    : 1=117.4%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=279074,0,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1
Seq-Write: (groupid=3, jobs=1): err= 0: pid=1256: Mon Jul  2 00:35:58 2018
  write: IOPS=10.2k, BW=79.3MiB/s (83.2MB/s)(9835MiB/123967msec)
    slat (usec): min=3, max=829, avg= 9.35, stdev= 4.97
    clat (usec): min=2, max=121804, avg=87.91, stdev=1921.23
     lat (usec): min=31, max=121832, avg=97.40, stdev=1921.47
    clat percentiles (usec):
     |  1.00th=[   30],  5.00th=[   32], 10.00th=[   32], 20.00th=[   41],
     | 30.00th=[   43], 40.00th=[   44], 50.00th=[   45], 60.00th=[   45],
     | 70.00th=[   46], 80.00th=[   48], 90.00th=[   56], 95.00th=[   85],
     | 99.00th=[  100], 99.50th=[  104], 99.90th=[  137], 99.95th=[10683],
     | 99.99th=[94897]
   bw (  KiB/s): min=  193, max=180448, per=72.51%, avg=58908.77, stdev=43211.31, samples=247
   iops        : min=   24, max=22556, avg=7363.23, stdev=5401.48, samples=247
  lat (usec)   : 4=0.01%, 10=0.01%, 20=0.01%, 50=83.68%, 100=15.37%
  lat (usec)   : 250=0.87%, 500=0.01%, 750=0.01%, 1000=0.01%
  lat (msec)   : 2=0.01%, 4=0.01%, 10=0.02%, 20=0.01%, 50=0.01%
  lat (msec)   : 100=0.04%, 250=0.01%
  cpu          : usr=2.54%, sys=11.07%, ctx=1258969, majf=0, minf=12
  IO depths    : 1=104.1%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=0,1258845,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1
Seq-Write: (groupid=4, jobs=1): err= 0: pid=1378: Mon Jul  2 00:35:58 2018
  write: IOPS=5998, BW=93.7MiB/s (98.3MB/s)(9780MiB/104351msec)
    slat (usec): min=3, max=116, avg=15.43, stdev= 7.23
    clat (usec): min=41, max=121565, avg=149.35, stdev=2707.86
     lat (usec): min=47, max=121571, avg=165.02, stdev=2708.08
    clat percentiles (usec):
     |  1.00th=[    46],  5.00th=[    49], 10.00th=[    58], 20.00th=[    60],
     | 30.00th=[    61], 40.00th=[    64], 50.00th=[    67], 60.00th=[    69],
     | 70.00th=[    70], 80.00th=[    71], 90.00th=[    81], 95.00th=[    98],
     | 99.00th=[   121], 99.50th=[   137], 99.90th=[ 10945], 99.95th=[ 92799],
     | 99.99th=[101188]
   bw (  KiB/s): min=   96, max=201408, per=74.81%, avg=71803.62, stdev=57744.77, samples=208
   iops        : min=    6, max=12588, avg=4487.36, stdev=3609.12, samples=208
  lat (usec)   : 50=5.32%, 100=90.02%, 250=4.51%, 500=0.01%, 750=0.01%
  lat (usec)   : 1000=0.01%
  lat (msec)   : 2=0.01%, 4=0.01%, 10=0.01%, 20=0.03%, 50=0.01%
  lat (msec)   : 100=0.07%, 250=0.01%
  cpu          : usr=2.69%, sys=10.45%, ctx=626043, majf=0, minf=12
  IO depths    : 1=104.7%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=0,625943,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1
Seq-Write: (groupid=5, jobs=1): err= 0: pid=1574: Mon Jul  2 00:35:58 2018
  write: IOPS=3363, BW=105MiB/s (110MB/s)(9703MiB/92311msec)
    slat (usec): min=4, max=130, avg=22.52, stdev= 8.01
    clat (usec): min=61, max=121603, avg=272.26, stdev=3896.18
     lat (usec): min=78, max=121628, avg=295.09, stdev=3896.46
    clat percentiles (usec):
     |  1.00th=[    78],  5.00th=[    89], 10.00th=[    92], 20.00th=[    98],
     | 30.00th=[    99], 40.00th=[   100], 50.00th=[   101], 60.00th=[   102],
     | 70.00th=[   106], 80.00th=[   117], 90.00th=[   120], 95.00th=[   130],
     | 99.00th=[   165], 99.50th=[   198], 99.90th=[ 91751], 99.95th=[ 93848],
     | 99.99th=[111674]
   bw (  KiB/s): min= 1728, max=268416, per=99.63%, avg=107230.39, stdev=90009.11, samples=184
   iops        : min=   54, max= 8388, avg=3350.94, stdev=2812.79, samples=184
  lat (usec)   : 100=40.78%, 250=58.92%, 500=0.01%, 750=0.01%, 1000=0.01%
  lat (msec)   : 2=0.02%, 4=0.01%, 10=0.03%, 20=0.06%, 50=0.01%
  lat (msec)   : 100=0.14%, 250=0.03%
  cpu          : usr=2.34%, sys=8.10%, ctx=310551, majf=0, minf=11
  IO depths    : 1=105.5%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=0,310481,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1

Run status group 0 (all jobs):
   READ: bw=231MiB/s (242MB/s), 231MiB/s-231MiB/s (242MB/s-242MB/s), io=9462MiB (9922MB), run=40968-40968msec

Run status group 1 (all jobs):
   READ: bw=262MiB/s (275MB/s), 262MiB/s-262MiB/s (275MB/s-275MB/s), io=8967MiB (9402MB), run=34173-34173msec

Run status group 2 (all jobs):
   READ: bw=307MiB/s (322MB/s), 307MiB/s-307MiB/s (322MB/s-322MB/s), io=8721MiB (9145MB), run=28413-28413msec

Run status group 3 (all jobs):
  WRITE: bw=79.3MiB/s (83.2MB/s), 79.3MiB/s-79.3MiB/s (83.2MB/s-83.2MB/s), io=9835MiB (10.3GB), run=123967-123967msec

Run status group 4 (all jobs):
  WRITE: bw=93.7MiB/s (98.3MB/s), 93.7MiB/s-93.7MiB/s (98.3MB/s-98.3MB/s), io=9780MiB (10.3GB), run=104351-104351msec

Run status group 5 (all jobs):
  WRITE: bw=105MiB/s (110MSeq-Read: (g=0): rw=read, bs=(R) 8192B-8192B, (W) 8192B-8192B, (T) 8192B-8192B, ioengine=libaio, iodepth=1
Seq-Read: (g=1): rw=read, bs=(R) 16.0KiB-16.0KiB, (W) 16.0KiB-16.0KiB, (T) 16.0KiB-16.0KiB, ioengine=libaio, iodepth=1
Seq-Read: (g=2): rw=read, bs=(R) 32.0KiB-32.0KiB, (W) 32.0KiB-32.0KiB, (T) 32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
Seq-Write: (g=3): rw=write, bs=(R) 8192B-8192B, (W) 8192B-8192B, (T) 8192B-8192B, ioengine=libaio, iodepth=1
Seq-Write: (g=4): rw=write, bs=(R) 16.0KiB-16.0KiB, (W) 16.0KiB-16.0KiB, (T) 16.0KiB-16.0KiB, ioengine=libaio, iodepth=1
Seq-Write: (g=5): rw=write, bs=(R) 32.0KiB-32.0KiB, (W) 32.0KiB-32.0KiB, (T) 32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
fio-3.7
Starting 6 processes

Seq-Read: (groupid=0, jobs=1): err= 0: pid=1154: Mon Jul  2 00:35:58 2018
   read: IOPS=29.6k, BW=231MiB/s (242MB/s)(9462MiB/40968msec)
    slat (nsec): min=3047, max=65538, avg=3644.71, stdev=973.22
    clat (usec): min=14, max=1301, avg=29.72, stdev= 5.29
     lat (usec): min=28, max=1305, avg=33.42, stdev= 5.96
    clat percentiles (nsec):
     |  1.00th=[27264],  5.00th=[27776], 10.00th=[27776], 20.00th=[27776],
     | 30.00th=[28032], 40.00th=[28032], 50.00th=[28288], 60.00th=[28544],
     | 70.00th=[28800], 80.00th=[29568], 90.00th=[31104], 95.00th=[42240],
     | 99.00th=[44288], 99.50th=[45312], 99.90th=[67072], 99.95th=[72192],
     | 99.99th=[86528]
   bw (  KiB/s): min=121728, max=248080, per=82.72%, avg=195630.62, stdev=46297.03, samples=81
   iops        : min=15216, max=31010, avg=24453.62, stdev=5787.21, samples=81
  lat (usec)   : 20=0.01%, 50=99.63%, 100=0.36%, 250=0.01%, 500=0.01%
  lat (usec)   : 750=0.01%, 1000=0.01%
  lat (msec)   : 2=0.01%
  cpu          : usr=3.67%, sys=12.11%, ctx=1211158, majf=0, minf=12
  IO depths    : 1=108.2%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=1211128,0,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1
Seq-Read: (groupid=1, jobs=1): err= 0: pid=1179: Mon Jul  2 00:35:58 2018
   read: IOPS=16.8k, BW=262MiB/s (275MB/s)(8967MiB/34173msec)
    slat (usec): min=3, max=540, avg= 6.27, stdev= 2.35
    clat (usec): min=9, max=1178, avg=52.48, stdev= 8.22
     lat (usec): min=43, max=1200, avg=58.84, stdev= 9.60
    clat percentiles (usec):
     |  1.00th=[   43],  5.00th=[   43], 10.00th=[   44], 20.00th=[   45],
     | 30.00th=[   46], 40.00th=[   55], 50.00th=[   56], 60.00th=[   57],
     | 70.00th=[   58], 80.00th=[   58], 90.00th=[   58], 95.00th=[   59],
     | 99.00th=[   64], 99.50th=[   79], 99.90th=[   92], 99.95th=[  100],
     | 99.99th=[  262]
   bw (  KiB/s): min=120224, max=318720, per=87.39%, avg=234801.13, stdev=57676.26, samples=67
   iops        : min= 7514, max=19920, avg=14674.93, stdev=3604.83, samples=67
  lat (usec)   : 10=0.01%, 50=34.91%, 100=65.04%, 250=0.04%, 500=0.01%
  lat (usec)   : 750=0.01%
  lat (msec)   : 2=0.01%
  cpu          : usr=2.58%, sys=12.80%, ctx=573898, majf=0, minf=11
  IO depths    : 1=114.2%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=573865,0,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1
Seq-Read: (groupid=2, jobs=1): err= 0: pid=1241: Mon Jul  2 00:35:58 2018
   read: IOPS=9822, BW=307MiB/s (322MB/s)(8721MiB/28413msec)
    slat (usec): min=3, max=228, avg=13.14, stdev= 5.66
    clat (usec): min=67, max=1287, avg=87.13, stdev= 8.43
     lat (usec): min=73, max=1291, avg=100.44, stdev=12.70
    clat percentiles (usec):
     |  1.00th=[   72],  5.00th=[   75], 10.00th=[   83], 20.00th=[   84],
     | 30.00th=[   85], 40.00th=[   85], 50.00th=[   86], 60.00th=[   88],
     | 70.00th=[   90], 80.00th=[   91], 90.00th=[   94], 95.00th=[   96],
     | 99.00th=[  112], 99.50th=[  122], 99.90th=[  151], 99.95th=[  174],
     | 99.99th=[  293]
   bw (  KiB/s): min=146112, max=339072, per=90.22%, avg=283571.98, stdev=57101.78, samples=56
   iops        : min= 4566, max=10596, avg=8861.52, stdev=1784.46, samples=56
  lat (usec)   : 100=97.08%, 250=2.90%, 500=0.01%, 750=0.01%
  lat (msec)   : 2=0.01%
  cpu          : usr=3.11%, sys=15.16%, ctx=279102, majf=0, minf=11
  IO depths    : 1=117.4%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=279074,0,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1
Seq-Write: (groupid=3, jobs=1): err= 0: pid=1256: Mon Jul  2 00:35:58 2018
  write: IOPS=10.2k, BW=79.3MiB/s (83.2MB/s)(9835MiB/123967msec)
    slat (usec): min=3, max=829, avg= 9.35, stdev= 4.97
    clat (usec): min=2, max=121804, avg=87.91, stdev=1921.23
     lat (usec): min=31, max=121832, avg=97.40, stdev=1921.47
    clat percentiles (usec):
     |  1.00th=[   30],  5.00th=[   32], 10.00th=[   32], 20.00th=[   41],
     | 30.00th=[   43], 40.00th=[   44], 50.00th=[   45], 60.00th=[   45],
     | 70.00th=[   46], 80.00th=[   48], 90.00th=[   56], 95.00th=[   85],
     | 99.00th=[  100], 99.50th=[  104], 99.90th=[  137], 99.95th=[10683],
     | 99.99th=[94897]
   bw (  KiB/s): min=  193, max=180448, per=72.51%, avg=58908.77, stdev=43211.31, samples=247
   iops        : min=   24, max=22556, avg=7363.23, stdev=5401.48, samples=247
  lat (usec)   : 4=0.01%, 10=0.01%, 20=0.01%, 50=83.68%, 100=15.37%
  lat (usec)   : 250=0.87%, 500=0.01%, 750=0.01%, 1000=0.01%
  lat (msec)   : 2=0.01%, 4=0.01%, 10=0.02%, 20=0.01%, 50=0.01%
  lat (msec)   : 100=0.04%, 250=0.01%
  cpu          : usr=2.54%, sys=11.07%, ctx=1258969, majf=0, minf=12
  IO depths    : 1=104.1%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=0,1258845,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1
Seq-Write: (groupid=4, jobs=1): err= 0: pid=1378: Mon Jul  2 00:35:58 2018
  write: IOPS=5998, BW=93.7MiB/s (98.3MB/s)(9780MiB/104351msec)
    slat (usec): min=3, max=116, avg=15.43, stdev= 7.23
    clat (usec): min=41, max=121565, avg=149.35, stdev=2707.86
     lat (usec): min=47, max=121571, avg=165.02, stdev=2708.08
    clat percentiles (usec):
     |  1.00th=[    46],  5.00th=[    49], 10.00th=[    58], 20.00th=[    60],
     | 30.00th=[    61], 40.00th=[    64], 50.00th=[    67], 60.00th=[    69],
     | 70.00th=[    70], 80.00th=[    71], 90.00th=[    81], 95.00th=[    98],
     | 99.00th=[   121], 99.50th=[   137], 99.90th=[ 10945], 99.95th=[ 92799],
     | 99.99th=[101188]
   bw (  KiB/s): min=   96, max=201408, per=74.81%, avg=71803.62, stdev=57744.77, samples=208
   iops        : min=    6, max=12588, avg=4487.36, stdev=3609.12, samples=208
  lat (usec)   : 50=5.32%, 100=90.02%, 250=4.51%, 500=0.01%, 750=0.01%
  lat (usec)   : 1000=0.01%
  lat (msec)   : 2=0.01%, 4=0.01%, 10=0.01%, 20=0.03%, 50=0.01%
  lat (msec)   : 100=0.07%, 250=0.01%
  cpu          : usr=2.69%, sys=10.45%, ctx=626043, majf=0, minf=12
  IO depths    : 1=104.7%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=0,625943,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1
Seq-Write: (groupid=5, jobs=1): err= 0: pid=1574: Mon Jul  2 00:35:58 2018
  write: IOPS=3363, BW=105MiB/s (110MB/s)(9703MiB/92311msec)
    slat (usec): min=4, max=130, avg=22.52, stdev= 8.01
    clat (usec): min=61, max=121603, avg=272.26, stdev=3896.18
     lat (usec): min=78, max=121628, avg=295.09, stdev=3896.46
    clat percentiles (usec):
     |  1.00th=[    78],  5.00th=[    89], 10.00th=[    92], 20.00th=[    98],
     | 30.00th=[    99], 40.00th=[   100], 50.00th=[   101], 60.00th=[   102],
     | 70.00th=[   106], 80.00th=[   117], 90.00th=[   120], 95.00th=[   130],
     | 99.00th=[   165], 99.50th=[   198], 99.90th=[ 91751], 99.95th=[ 93848],
     | 99.99th=[111674]
   bw (  KiB/s): min= 1728, max=268416, per=99.63%, avg=107230.39, stdev=90009.11, samples=184
   iops        : min=   54, max= 8388, avg=3350.94, stdev=2812.79, samples=184
  lat (usec)   : 100=40.78%, 250=58.92%, 500=0.01%, 750=0.01%, 1000=0.01%
  lat (msec)   : 2=0.02%, 4=0.01%, 10=0.03%, 20=0.06%, 50=0.01%
  lat (msec)   : 100=0.14%, 250=0.03%
  cpu          : usr=2.34%, sys=8.10%, ctx=310551, majf=0, minf=11
  IO depths    : 1=105.5%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=0,310481,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1

Run status group 0 (all jobs):
   READ: bw=231MiB/s (242MB/s), 231MiB/s-231MiB/s (242MB/s-242MB/s), io=9462MiB (9922MB), run=40968-40968msec

Run status group 1 (all jobs):
   READ: bw=262MiB/s (275MB/s), 262MiB/s-262MiB/s (275MB/s-275MB/s), io=8967MiB (9402MB), run=34173-34173msec

Run status group 2 (all jobs):
   READ: bw=307MiB/s (322MB/s), 307MiB/s-307MiB/s (322MB/s-322MB/s), io=8721MiB (9145MB), run=28413-28413msec

Run status group 3 (all jobs):
  WRITE: bw=79.3MiB/s (83.2MB/s), 79.3MiB/s-79.3MiB/s (83.2MB/s-83.2MB/s), io=9835MiB (10.3GB), run=123967-123967msec

Run status group 4 (all jobs):
  WRITE: bw=93.7MiB/s (98.3MB/s), 93.7MiB/s-93.7MiB/s (98.3MB/s-98.3MB/s), io=9780MiB (10.3GB), run=104351-104351msec

Run status group 5 (all jobs):
  WRITE: bw=105MiB/s (110MB/s), 105MiB/s-105MiB/s (110MB/s-110MB/s), io=9703MiB (10.2GB), run=92311-92311msec

Disk stats (read/write):
  sda: ios=2293760/2293551, merge=0/66, ticks=99756/306212, in_queue=405428, util=87.72%
B/s), 105MiB/s-105MiB/s (110MB/s-110MB/s), io=9703MiB (10.2GB), run=92311-92311msec

Disk stats (read/write):
  sda: ios=2293760/2293551, merge=0/66, ticks=99756/306212, in_queue=405428, util=87.72%

8, 16, 32kbのブロックサイズでランダムアクセスでreadもしくはwrite

Rand-Read: (g=0): rw=randread, bs=(R) 8192B-8192B, (W) 8192B-8192B, (T) 8192B-8192B, ioengine=libaio, iodepth=1
Rand-Read: (g=1): rw=randread, bs=(R) 16.0KiB-16.0KiB, (W) 16.0KiB-16.0KiB, (T) 16.0KiB-16.0KiB, ioengine=libaio, iodepth=1
Rand-Read: (g=2): rw=randread, bs=(R) 32.0KiB-32.0KiB, (W) 32.0KiB-32.0KiB, (T) 32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
Rand-Write: (g=3): rw=randwrite, bs=(R) 8192B-8192B, (W) 8192B-8192B, (T) 8192B-8192B, ioengine=libaio, iodepth=1
Rand-Write: (g=4): rw=randwrite, bs=(R) 16.0KiB-16.0KiB, (W) 16.0KiB-16.0KiB, (T) 16.0KiB-16.0KiB, ioengine=libaio, iodepth=1
Rand-Write: (g=5): rw=randwrite, bs=(R) 32.0KiB-32.0KiB, (W) 32.0KiB-32.0KiB, (T) 32.0KiB-32.0KiB, ioengine=libaio, iodepth=1
fio-3.7
Starting 6 processes

Rand-Read: (groupid=0, jobs=1): err= 0: pid=2470: Mon Jul  2 01:01:41 2018
   read: IOPS=4192, BW=32.8MiB/s (34.3MB/s)(9.86GiB/308233msec)
    slat (usec): min=2, max=166, avg=12.67, stdev=10.63
    clat (usec): min=28, max=8250, avg=223.65, stdev=36.69
     lat (usec): min=31, max=8287, avg=236.47, stdev=44.38
    clat percentiles (usec):
     |  1.00th=[  149],  5.00th=[  182], 10.00th=[  182], 20.00th=[  182],
     | 30.00th=[  202], 40.00th=[  210], 50.00th=[  229], 60.00th=[  233],
     | 70.00th=[  241], 80.00th=[  255], 90.00th=[  273], 95.00th=[  285],
     | 99.00th=[  306], 99.50th=[  318], 99.90th=[  351], 99.95th=[  367],
     | 99.99th=[  537]
   bw (  KiB/s): min=13856, max=31616, per=68.47%, avg=22962.87, stdev=3749.33, samples=616
   iops        : min= 1732, max= 3952, avg=2869.94, stdev=468.69, samples=616
  lat (usec)   : 50=0.01%, 100=0.01%, 250=75.57%, 500=24.41%, 750=0.01%
  lat (usec)   : 1000=0.01%
  lat (msec)   : 2=0.01%, 4=0.01%, 10=0.01%
  cpu          : usr=1.87%, sys=6.45%, ctx=1292495, majf=0, minf=9
  IO depths    : 1=101.4%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=1292263,0,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1
Rand-Read: (groupid=1, jobs=1): err= 0: pid=2717: Mon Jul  2 01:01:41 2018
   read: IOPS=2891, BW=45.2MiB/s (47.4MB/s)(9.78GiB/221576msec)
    slat (usec): min=3, max=119, avg=24.60, stdev= 7.47
    clat (usec): min=57, max=3738, avg=317.01, stdev=26.81
     lat (usec): min=68, max=3771, avg=341.89, stdev=28.18
    clat percentiles (usec):
     |  1.00th=[  258],  5.00th=[  281], 10.00th=[  293], 20.00th=[  297],
     | 30.00th=[  297], 40.00th=[  310], 50.00th=[  318], 60.00th=[  322],
     | 70.00th=[  330], 80.00th=[  343], 90.00th=[  347], 95.00th=[  359],
     | 99.00th=[  383], 99.50th=[  396], 99.90th=[  437], 99.95th=[  519],
     | 99.99th=[  603]
   bw (  KiB/s): min=22560, max=47520, per=69.22%, avg=32027.29, stdev=4095.36, samples=442
   iops        : min= 1410, max= 2970, avg=2001.30, stdev=256.03, samples=442
  lat (usec)   : 100=0.01%, 250=0.77%, 500=99.16%, 750=0.05%, 1000=0.01%
  lat (msec)   : 2=0.01%, 4=0.01%
  cpu          : usr=2.41%, sys=8.70%, ctx=641092, majf=0, minf=8
  IO depths    : 1=102.3%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=640783,0,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1
Rand-Read: (groupid=2, jobs=1): err= 0: pid=2868: Mon Jul  2 01:01:41 2018
   read: IOPS=1915, BW=59.9MiB/s (62.8MB/s)(9923MiB/165773msec)
    slat (usec): min=3, max=161, avg=41.95, stdev= 9.61
    clat (usec): min=94, max=2748, avg=472.02, stdev=30.41
     lat (usec): min=116, max=2790, avg=514.71, stdev=34.22
    clat percentiles (usec):
     |  1.00th=[  400],  5.00th=[  420], 10.00th=[  433], 20.00th=[  453],
     | 30.00th=[  461], 40.00th=[  461], 50.00th=[  474], 60.00th=[  482],
     | 70.00th=[  490], 80.00th=[  498], 90.00th=[  510], 95.00th=[  515],
     | 99.00th=[  529], 99.50th=[  537], 99.90th=[  562], 99.95th=[  586],
     | 99.99th=[  644]
   bw (  KiB/s): min=29952, max=66240, per=70.38%, avg=43141.69, stdev=6985.32, samples=331
   iops        : min=  936, max= 2070, avg=1347.79, stdev=218.37, samples=331
  lat (usec)   : 100=0.01%, 250=0.04%, 500=81.94%, 750=18.02%, 1000=0.01%
  lat (msec)   : 2=0.01%, 4=0.01%
  cpu          : usr=2.74%, sys=9.70%, ctx=317793, majf=0, minf=9
  IO depths    : 1=103.2%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=317534,0,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1
Rand-Write: (groupid=3, jobs=1): err= 0: pid=3068: Mon Jul  2 01:01:41 2018
  write: IOPS=7190, BW=56.2MiB/s (58.9MB/s)(9951MiB/177138msec)
    slat (usec): min=3, max=198, avg=14.21, stdev= 6.43
    clat (usec): min=2, max=767703, avg=122.45, stdev=2292.69
     lat (usec): min=31, max=767727, avg=136.82, stdev=2292.89
    clat percentiles (usec):
     |  1.00th=[   31],  5.00th=[   32], 10.00th=[   43], 20.00th=[   45],
     | 30.00th=[   46], 40.00th=[   47], 50.00th=[   49], 60.00th=[   53],
     | 70.00th=[   55], 80.00th=[   55], 90.00th=[   62], 95.00th=[   89],
     | 99.00th=[ 1012], 99.50th=[ 1237], 99.90th=[ 2802], 99.95th=[90702],
     | 99.99th=[93848]
   bw (  KiB/s): min= 1024, max=123296, per=71.07%, avg=40883.09, stdev=28898.57, samples=352
   iops        : min=  128, max=15412, avg=5109.98, stdev=3612.34, samples=352
  lat (usec)   : 4=0.01%, 10=0.01%, 20=0.01%, 50=54.25%, 100=43.24%
  lat (usec)   : 250=0.83%, 500=0.01%, 750=0.01%, 1000=0.57%
  lat (msec)   : 2=0.95%, 4=0.09%, 10=0.02%, 50=0.01%, 100=0.05%
  lat (msec)   : 250=0.01%, 1000=0.01%
  cpu          : usr=3.01%, sys=12.00%, ctx=1273866, majf=0, minf=9
  IO depths    : 1=102.9%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=0,1273733,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1
Rand-Write: (groupid=4, jobs=1): err= 0: pid=3225: Mon Jul  2 01:01:41 2018
  write: IOPS=4387, BW=68.5MiB/s (71.9MB/s)(9648MiB/140746msec)
    slat (usec): min=3, max=114, avg=20.91, stdev= 6.62
    clat (usec): min=5, max=584974, avg=203.73, stdev=3068.28
     lat (usec): min=47, max=584995, avg=224.85, stdev=3068.36
    clat percentiles (usec):
     |  1.00th=[   47],  5.00th=[   61], 10.00th=[   67], 20.00th=[   69],
     | 30.00th=[   70], 40.00th=[   70], 50.00th=[   71], 60.00th=[   71],
     | 70.00th=[   72], 80.00th=[   72], 90.00th=[   82], 95.00th=[  118],
     | 99.00th=[ 1221], 99.50th=[ 1500], 99.90th=[27657], 99.95th=[91751],
     | 99.99th=[94897]
   bw (  KiB/s): min= 1024, max=125760, per=71.33%, avg=50069.00, stdev=38128.65, samples=280
   iops        : min=   64, max= 7860, avg=3128.92, stdev=2383.06, samples=280
  lat (usec)   : 10=0.01%, 50=1.69%, 100=92.16%, 250=2.59%, 500=0.01%
  lat (usec)   : 750=0.01%, 1000=0.78%
  lat (msec)   : 2=2.49%, 4=0.15%, 10=0.03%, 20=0.01%, 50=0.01%
  lat (msec)   : 100=0.09%, 250=0.01%, 750=0.01%
  cpu          : usr=2.56%, sys=10.67%, ctx=617566, majf=0, minf=9
  IO depths    : 1=106.1%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=0,617476,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1
Rand-Write: (groupid=5, jobs=1): err= 0: pid=3299: Mon Jul  2 01:01:41 2018
  write: IOPS=2489, BW=77.8MiB/s (81.6MB/s)(9503MiB/122148msec)
    slat (usec): min=4, max=225, avg=25.90, stdev= 8.65
    clat (usec): min=4, max=746485, avg=371.98, stdev=4439.80
     lat (usec): min=78, max=746536, avg=398.15, stdev=4440.15
    clat percentiles (usec):
     |  1.00th=[    79],  5.00th=[    97], 10.00th=[    99], 20.00th=[   100],
     | 30.00th=[   101], 40.00th=[   101], 50.00th=[   102], 60.00th=[   104],
     | 70.00th=[   109], 80.00th=[   119], 90.00th=[   157], 95.00th=[  1057],
     | 99.00th=[  1467], 99.50th=[  2024], 99.90th=[ 91751], 99.95th=[ 92799],
     | 99.99th=[113771]
   bw (  KiB/s): min= 1536, max=161472, per=100.00%, avg=79853.39, stdev=63659.03, samples=243
   iops        : min=   48, max= 5046, avg=2495.40, stdev=1989.33, samples=243
  lat (usec)   : 10=0.01%, 100=20.24%, 250=72.83%, 500=0.01%, 750=0.01%
  lat (usec)   : 1000=0.45%
  lat (msec)   : 2=5.91%, 4=0.30%, 10=0.06%, 20=0.01%, 50=0.01%
  lat (msec)   : 100=0.17%, 250=0.02%, 500=0.01%, 750=0.01%
  cpu          : usr=2.25%, sys=6.83%, ctx=304161, majf=0, minf=9
  IO depths    : 1=107.8%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0%
     submit    : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     complete  : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0%
     issued rwts: total=0,304094,0,0 short=0,0,0,0 dropped=0,0,0,0
     latency   : target=0, window=0, percentile=100.00%, depth=1

Run status group 0 (all jobs):
   READ: bw=32.8MiB/s (34.3MB/s), 32.8MiB/s-32.8MiB/s (34.3MB/s-34.3MB/s), io=9.86GiB (10.6GB), run=308233-308233msec

Run status group 1 (all jobs):
   READ: bw=45.2MiB/s (47.4MB/s), 45.2MiB/s-45.2MiB/s (47.4MB/s-47.4MB/s), io=9.78GiB (10.5GB), run=221576-221576msec

Run status group 2 (all jobs):
   READ: bw=59.9MiB/s (62.8MB/s), 59.9MiB/s-59.9MiB/s (62.8MB/s-62.8MB/s), io=9923MiB (10.4GB), run=165773-165773msec

Run status group 3 (all jobs):
  WRITE: bw=56.2MiB/s (58.9MB/s), 56.2MiB/s-56.2MiB/s (58.9MB/s-58.9MB/s), io=9951MiB (10.4GB), run=177138-177138msec

Run status group 4 (all jobs):
  WRITE: bw=68.5MiB/s (71.9MB/s), 68.5MiB/s-68.5MiB/s (71.9MB/s-71.9MB/s), io=9648MiB (10.1GB), run=140746-140746msec

Run status group 5 (all jobs):
  WRITE: bw=77.8MiB/s (81.6MB/s), 77.8MiB/s-77.8MiB/s (81.6MB/s-81.6MB/s), io=9503MiB (9965MB), run=122148-122148msec

Disk stats (read/write):
  sda: ios=2293760/2293033, merge=0/91, ticks=642524/415536, in_queue=1056672, util=89.92%

どうもうまく行かないけど、SSD届いたのでCentos入れて再度挑戦している

今はUbuntu18.04