Papers/2014/nobuyasu-master: slides/index.html

author	Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
date	Mon, 03 Feb 2014 08:40:32 +0900
parents
children	07aec327a7bc

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77 bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	1 <!DOCTYPE html>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	2 <html>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	3 <head>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	4 <meta charset='utf-8'>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	5 <title>分散データベースJungle</title>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	6
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	7 <!--
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	8 Notes on CSS media types used:
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	9
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	10 1) projection -> slideshow mode (display one slide at-a-time; hide all others)
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	11 2) screen -> outline mode (display all slides-at-once on screen)
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	12 3) print -> print (and print preview)
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	13
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	14 Note: toggle between projection/screen (that is, slideshow/outline) mode using t-key
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	15
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	16 Questions, comments?
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	17 - send them along to the mailinglist/forum online @ http://groups.google.com/group/webslideshow
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	18 -->
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	19
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	20 <!-- style sheet links -->
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	21 <link rel="stylesheet/less" href="themes/blank/projection.css.less" media="screen,projection">
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	22 <link rel="stylesheet/less" href="themes/blank/screen.css.less" media="screen">
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	23 <link rel="stylesheet/less" href="themes/blank/print.css.less" media="print">
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	24
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	25 <link rel="stylesheet/less" href="blank.css.less" media="screen,projection">
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	26
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	27 <!-- Notes about less css support
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	28 - all less stylesheets (*.css.less) need to get listed/loaded first (before the less.js script)
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	29 - find more info about less.js online @ http://lesscss.org
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	30
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	31 ***** NOTE:
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	32 less.js browser script currently won’t work if you’re using Google Chrome
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	33 and the path to your page starts with "file:///" due to a known Chrome issue.
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	34 (In the developer/js console you will see:
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	35 XMLHttpRequest cannot load file:///../s6/shared/projection.css.less.
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	36 Cross origin requests are only supported for HTTP.)
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	37 -->
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	38
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	39 <!-- add js libs (less, jquery) -->
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	40 <script src="js/less-1.1.4.min.js"></script>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	41 <script src="js/jquery-1.7.min.js"></script>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	42
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	43 <!-- S6 JS -->
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	44 <script src="js/jquery.slideshow.js"></script>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	45 <script src="js/jquery.slideshow.counter.js"></script>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	46 <script src="js/jquery.slideshow.controls.js"></script>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	47 <script src="js/jquery.slideshow.footer.js"></script>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	48 <script src="js/jquery.slideshow.autoplay.js"></script>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	49 <script>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	50 $(document).ready( function() {
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	51 Slideshow.init();
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	52
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	53 // Example 2: Start Off in Outline Mode
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	54 // Slideshow.init( { mode: 'outline' } );
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	55
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	56 // Example 3: Use Custom Transition
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	57 // Slideshow.transition = transitionScrollUp;
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	58 // Slideshow.init();
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	59
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	60 // Example 4: Start Off in Autoplay Mode with Custom Transition
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	61 // Slideshow.transition = transitionScrollUp;
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	62 // Slideshow.init( { mode: 'autoplay' } );
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	63 } );
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	64 </script>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	65
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	66 <!-- Better Browser Banner for Microsoft Internet Explorer (IE) -->
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	67 <!--[if IE]>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	68 <script src="js/jquery.microsoft.js"></script>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	69 <![endif]-->
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	70
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	71 </head>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	72 <body>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	73
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	74 <div class="layout">
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	75 <div id="header"></div>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	76 <div id="footer">
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	77 <h1>分散データベースJungleの実装</h1>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	78 <h2>琉球大学大学院　情報工学専攻修士2年次　大城信康</h2>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	79 </div>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	80 </div>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	81
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	82 <div class="presentation">
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	83
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	84 <!-- add slides here; example -->
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	85
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	86 <div class='slide cover'>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	87 <h1>分散データベースJungleに関する研究</h1>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	88 <ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	89 <p>琉球大学　大城信康
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	90 <br>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	91 14 Jan 2013
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	92 </p>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	93 </ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	94 </div>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	95
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	96 <div class='slide'>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	97 <h1>研究の背景と目的</h1>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	98 <ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	99 <li>スマートフォンやタブレット端末の普及により、大量のデータを扱うウェブサービスが現れてきている。</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	100 <li>しかしそれに伴い、サーバサイド側への負荷も増大しウェブサービスがダウンする事態が出てきている。</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	101 <li>そのため、スケーラビリティはウェブサービスにおいて重要な性質の1つとなっている。</lii>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	102 <li>スケーラビリティとは、ある複数のノードから構成される分散ソフトウェアがあるとき、その分散ソフトウェアに対して単純にノード
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	103 を追加するだけで性能を線形に上昇させることができる性質である</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	104 <li>スケーラビリティのあるプログラムについてアーキテクチャの設計から行った</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	105 </ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	106 </div>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	107
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	108 <div class='slide'>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	109 <h1>研究の背景と目的</h1>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	110
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	111 <ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	112 <li>当研究室では非破壊的木構造を用いたデータベースである Jungle を開発している</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	113 <li>非破壊的木構造とは、データの編集の際に一度木構造として保存したデータには触れず、新しく木構造を作成してデータの編集を行うこと</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	114 <li>Jungle は分散データベースとして設計・実装されているが、分断耐性や永続性といった部分の実装がまだ
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	115 行われていない</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	116 <li>本研究では、Jungle を用いてスケーラビリティをもつアーキテクチャの追求を行う</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	117 </ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	118 </div>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	119
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	120 <div class='slide'>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	121 <h1>今週の作業</h1>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	122 <ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	123 <li>論文の執筆</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	124 <li>ベンチマーク測定環境の構築</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	125 </ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	126 </div>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	127
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	128 <div class='slide'>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	129 <h1>ベンチマーク測定環境の構築</h1>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	130 <ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	131 <li>csクラスタ(VM)上で掲示板プログラムを走らせ、ベンチマークをとる</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	132 <li>Jungle と Cassandra 両方を走らせる環境の構築を行った</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	133 <h2>問題が発生</h2>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	134 <li>Cassandra でConsistencyLevelをいじってもデータを伝搬してくれない</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	135 <li>Jungle の分散結果が良くならない。圧倒的に遅い。Cassandra の結果の2倍3倍遅くなる</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	136 </ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	137 </div>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	138
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	139 <div class='slide'>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	140 <h1>問題解決</h1>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	141 <ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	142 <li>Cassandra はConsistencyLevelとは別にReplication factorというレプリケーション(複製)をとるノードの数を指定する項目がある</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	143 <li>Cassandra のConsistencyLevelはこのReplication factorの数に対して行われる</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	144 <ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	145 <li>Replication factorをNとした場合、ConsistencyLevelをALLにするとこのNの数だけノードに書き込まれるのをまつ</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	146 <li>Replication factorをノードの全体の数に合わせてあげるとよい</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	147 <li>Replication factorの設定はv1.1くらいまでは設定ファイルでできるが、v1.2からはキースペース生成時に設定するか
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	148 ./bin/cassandra-cli を使ってCassandraのデータにアクセスして変更する必要がある</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	149 </ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	150 <br>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	151 <li>Jungle の結果が悪い原因</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	152 <ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	153 <li>Javaのメモリの量を増やす設定をいれることで解決</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	154 </ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	155 </ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	156 </div>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	157
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	158 <div class='slide'>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	159 <h1>単体・複数ノードへの負荷</h1>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	160 <ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	161 <li>クライアント数最大12台。各クライアント5000回のリクエストを出す</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	162 </ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	163 <img src="./images/write_bench.png">
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	164 </div>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	165
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	166 <div class='slide'>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	167 <h1>ベンチマーク改良</h1>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	168 <ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	169 <li>Jungleの結果をbldsvで起動した時に近い結果になることが確認できた</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	170 <li>Cassandra も Jungle のグラフも横ばいになっている。クライアント側からの負荷が足りない。</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	171 <li>Cassandra の ConsystencyLevel をいじっても結果が変わらないのも負荷が足りないから？</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	172 <h2>次の課題</h2>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	173 <li>クライアント側はKVMで動かしていて現在12台しか無い</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	174 <li>負荷をかけるプログラムをforkすることでプロセスを増やして負荷を増やすよう改良する必要がある</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	175 <br>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	176 <li>論文書こう</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	177 </ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	178 </div>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	179
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	180 <div class='slide'>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	181 <h1>今後の作業</h1>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	182 <ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	183 <li>修論作成</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	184 <li>ベンチマークプログラム作成</li>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	185 </ul>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	186 </div>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	187 </div> <!-- presentation -->
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	188 </body>
bd73f0e1cdd4 Added slides Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> parents: diff changeset	189 </html>

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bd73f0e1cdd4 Added slides