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2012-04-26 よもやま話
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Transcript of 2012-04-26 よもやま話
お前、誰よ?
木坂寿宏 (KISAKA Toshihiro) @ktoshihiro_ http://gplus.to/ktoshihiro 太古: Fortran
大昔: 漢字 Talk
中昔: BeOS
最近: Android, Windows Phone
2012-04-26 KISAKA Toshihiro <[email protected]>
今日のお品書き
最近 (?) の Topic の Overview ● 細かいことは話しません
● Web まわり中心
● 踏み込んで聞きたいことある?
● もしあれば、別途「勉強会」しましょう
2012-04-26 KISAKA Toshihiro <[email protected]>
2012-04-26 KISAKA Toshihiro <[email protected]>
Server Side
● Cloud
○ インターネットを介して分散したコンピューティング環境
○ アプリケーション / サービスがどこでどのようにサーブさ
れているかは気にしない。
2012-04-26 KISAKA Toshihiro <[email protected]>
Server Side
● Cloud
○ 計算能力
○ ストレージ
○ ネットワーク
○ データベース
○ CMS
○ etc.
2012-04-26 KISAKA Toshihiro <[email protected]>
Server Side
● Cloud
○ SaaS
■ Software as a Service
○ PaaS
■ Platform as a Service
○ IaaS
■ Infrastructure as a Service
2012-04-26 KISAKA Toshihiro <[email protected]>
http://itpro.nikkeibp.co.jp/article/Keyword/20110216/357282/
2012-04-26 KISAKA Toshihiro <[email protected]>
Server Side
● Cloud
○ Amazon
○ Google App Engine
○ Windows Azure
○ DotCloud
○ Heroku
○ Salesforce
○ etc.
2012-04-26 KISAKA Toshihiro <[email protected]>
Amazon Web Services (AWS)
● Amazon Web Services○ Simple Storage Service (S3)
○ Elastic Compute Cloud (EC2)
○ Route 53
○ etc.
2012-04-26 KISAKA Toshihiro <[email protected]>
AWS Free Usage Tier (per month)
● 750 hours of Amazon EC2 Linux Micro Instance usage (613 MB of memory and 32-bit and 64-bit platform support) – enough hours to run continuously each month*
● 750 hours of Amazon EC2 Microsoft Windows Server Micro Instance usage (613 MB of memory and 32-bit and 64-bit platform support) – enough hours to run continuously each month*
● 750 hours of an Elastic Load Balancer plus 15 GB data processing*● 30 GB of Amazon Elastic Block Storage, plus 2 million I/Os and 1 GB of snapshot storage*● 5 GB of Amazon S3 standard storage, 20,000 Get Requests, and 2,000 Put Requests*● 100 MB of storage, 5 units of write capacity, and 10 units of read capacity for Amazon
DynamoDB.**● 25 Amazon SimpleDB Machine Hours and 1 GB of Storage**● 1,000 Amazon SWF workflow executions can be initiated for free. A total of 10,000 activity tasks,
signals, timers and markers, and 30,000 workflow-days can also be used for free**● 100,000 Requests of Amazon Simple Queue Service**● 100,000 Requests, 100,000 HTTP notifications and 1,000 email notifications for Amazon
Simple Notification Service**● 10 Amazon Cloudwatch metrics, 10 alarms, and 1,000,000 API requests**● 15 GB of bandwidth out aggregated across all AWS services*
2012-04-26 KISAKA Toshihiro <[email protected]>
Server Side
● Web Server○ Apache httpd
○ nginx (2012-04-23 ver. 1.2 release)
○ node.js
2012-04-26 KISAKA Toshihiro <[email protected]>
Server Side
● Frameworks○ Ruby on Rails
○ Django
○ Symfony2
○ Silex
2012-04-26 KISAKA Toshihiro <[email protected]>
Silex とは
● MicroFramework
● Symfony2 の component を利用
● ファイルはたった一つ (silex.phar)
○ phar = PHP archive
2012-04-26 KISAKA Toshihiro <[email protected]>
Silex で "Hello, World!"
require_once __DIR__.'/silex.phar';
$app = new Silex\Application();
$app->get('/hello/{name}', function ($name) use ($app) { return 'Hello '.$app->escape($name);});
$app->run();
2012-04-26 KISAKA Toshihiro <[email protected]>
Client Side
● Client Side○ Mobile
■ Android
■ Windows Phone / Windows 8 Slate
■ iOS
2012-04-26 KISAKA Toshihiro <[email protected]>
C10k 問題
● 同時接続 10,000
○ SNS および SNS 関連サービス
■ 動画や写真共有
○ スマートフォン
○ マルチメディア (動画 / 音声) ファイル
○ 接続時間の増大
2012-04-26 KISAKA Toshihiro <[email protected]>
C10k 問題
● 同時接続 10,000
○ hardware の問題ではない
■ いまどきのサーバー
● Memory 数G
● CPU GHz
● Gigabits Ethernet
2012-04-26 KISAKA Toshihiro <[email protected]>
C10k 問題
● Multi-Thread○ Blocking I/O
● Single-Thread○ Non-Blocking I/O
○ Event Loop
2012-04-26 KISAKA Toshihiro <[email protected]>
● JavaScript
● Non-Blocking I/O
● Single Thread
● Event Loop
● libev / libeio / libuv
node.js の特徴
2012-04-26 KISAKA Toshihiro <[email protected]>
node.js の周辺
● NPM (node package manager)
○ Express (Web App Framework)
○ Railway (MVC Framework)
○ Mongoose (MongDB への ORM-like な機能)
○ Socket.IO (WebSocket)
● Cloud9IED
2012-04-26 KISAKA Toshihiro <[email protected]>
node.js で "Hello, World!"
var http = require('http');http.createServer(function (req, res) { res.writeHead(200, {'Content-Type': 'text/plain'}); res.end('Hello World\n');}).listen(1337, '127.0.0.1');
console.log('Server running at http://127.0.0.1:1337/');
2012-04-26 KISAKA Toshihiro <[email protected]>
node.js で "Hello, World!" #2
var express = require('express');var app = express.createServer();
app.get('/', function(req, res){ res.send('Hello World');});
app.listen(3000);
2012-04-26 KISAKA Toshihiro <[email protected]>
node.js を hosting
● Windows Azure
● Heroku
● DotCloud
● etc.
2012-04-26 KISAKA Toshihiro <[email protected]>
node.js
● Frontend の技術 (JavaScript) で Backend も
● PaaS を使えば、安価に簡単に
● IDE も WebApplication
ぜひ、やってみましょう!!
Google Web Toolkit (Java) というのもあるけど
2012-04-26 KISAKA Toshihiro <[email protected]>
http://blogs.msdn.com/b/malaysia/archive/2012/02/13/windows-8-and-the-future-of-xaml-the-windows-runtime-winrt.aspx
2012-04-26 KISAKA Toshihiro <[email protected]>
