IOPS ディスクベンチ fio Bonnie++

IOPS I/Oベンチマーク fio Bonnie++

寄稿しました。

fio

# cd /usr/local/src/ && wget http://ftp.riken.jp/Linux/fedora/epel/7/x86_64/f/fio-2.2.8-2.el7.x86_64.rpm
# yum install fio-2.2.8-2.el7.x86_64.rpm

使用する

# fio -filename=/tmp/test2g -direct=1 -rw=read -bs=16k -size=2G -numjobs=64 -runtime=60 -group_reporting -name=file1
 
 
file1: (g=0): rw=read, bs=16K-16K/16K-16K/16K-16K, ioengine=sync, iodepth=1
...
fio-2.2.8
Starting 64 processes
Jobs: 64 (f=64): [R(64)] [100.0% done] [155.7MB/0KB/0KB /s] [9960/0/0 iops] [eta 00m:00s]
file1: (groupid=0, jobs=64): err= 0: pid=15406: Thu Jul 27 11:45:42 2017
  read : io=9305.0MB, bw=158766KB/s, iops=9922, runt= 60015msec
    clat (usec): min=138, max=102028, avg=6445.47, stdev=19972.74
     lat (usec): min=139, max=102028, avg=6445.98, stdev=19972.73
    clat percentiles (usec):
     |  1.00th=[  510],  5.00th=[  692], 10.00th=[  788], 20.00th=[  892],
     | 30.00th=[  956], 40.00th=[ 1020], 50.00th=[ 1096], 60.00th=[ 1160],
     | 70.00th=[ 1224], 80.00th=[ 1368], 90.00th=[ 2832], 95.00th=[80384],
     | 99.00th=[85504], 99.50th=[87552], 99.90th=[91648], 99.95th=[94720],
     | 99.99th=[98816]
    bw (KB  /s): min= 1600, max= 3360, per=1.57%, avg=2487.20, stdev=188.20
    lat (usec) : 250=0.01%, 500=0.86%, 750=6.81%, 1000=29.57%
    lat (msec) : 2=50.78%, 4=3.80%, 10=1.68%, 20=0.06%, 100=6.45%
    lat (msec) : 250=0.01%
  cpu          : usr=0.08%, sys=0.31%, ctx=595645, majf=0, minf=2638
  IO depths    : 1=100.0%, 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    : total=r=595520/w=0/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0
     latency   : target=0, window=0, percentile=100.00%, depth=1
 
Run status group 0 (all jobs):
   READ: io=9305.0MB, aggrb=158765KB/s, minb=158765KB/s, maxb=158765KB/s, mint=60015msec, maxt=60015msec
 
Disk stats (read/write):
  vda: ios=600000/0, merge=0/0, ticks=3756580/0, in_queue=3979068, util=100.00%

IOPS

  read : io=9305.0MB, bw=158766KB/s, iops=9922, runt= 60015msec

IOPS=9922

16KBの書き込みを秒間9922回できる。

clat レイテンシリクエストを行って実際にデータが送られてくるまで。

    clat (usec): min=138, max=102028, avg=6445.47, stdev=19972.74

avg=6445,47=6.44547ms(ミリ秒)

スループット 帯域幅

READ: io=9305.0MB, aggrb=158765KB/s, minb=158765KB/s, maxb=158765KB/s, mint=60015msec, maxt=60015msec

aggrb=総帯域幅=158,765KB/s

Bonnie++

# cd /usr/local/src/ && wget http://ftp.riken.jp/Linux/dag/redhat/el7/en/x86_64/rpmforge/RPMS/bonnie++-1.96-1.el7.rf.x86_64.rpm
# yum install bonnie++-1.96-1.el7.rf.x86_64.rpm

利用

# bonnie++ -u 一般ユーザ名 -d /tmp/ -n 256:4096:512:16 -s 2048 -r 1024 | bon_csv2html > bonnie_result.html

Version  1.96       ------Sequential Output------ --Sequential Input- --Random-
Concurrency   1     -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine        Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec %CP
www.sys-guard.co 8G   824  99 372738  35 336094  32  3962  99 626234  26  5298  90
Latency             10697us     171ms   60972us    4985us     101ms   17221us
Version  1.96       ------Sequential Create------ --------Random Create--------
www.sys-guard.com   -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
                 16 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
Latency              2639us     575us     648us     174us     183us     844us
1.96,1.96,www.sys-guard.com,1,1501216791,8G,,824,99,372738,35,336094,32,3962,99,626234,26,5298,90,16,,,,,++++

/sec １秒間の処理回数

/CP 実行中のCPU使用率