Latest from ChinaonRails's Server

DCI架构重新思考对象导向编程的根基颠覆之 ... no reply

bd7lx — Tue, 09 Feb 2010 09:56:57 +0800

http://architects.dzone.com/videos/dci-architecture-trygve

Trygve Reenskaug, 发明 DCI (Data, Collaborations, and Interactions)在09瑞典开发会议上演讲视频

DCI是数据Data 场景Context 交互Interactions的简称，DCI是一种特别关注行为的模式(可以对应GoF行为模式)，而MVC模式是一种结构性模式，MVC模式由于结构化，而可能忽视了行为事件。

http://www.artima.com/articles/dci_vision.html

http://www.jdon.com/jivejdon/thread/37976

重新发现ruby代码太~ : gserver ... no reply

bd7lx — Mon, 18 Jan 2010 13:16:46 +0800

http://ruby-doc.org/stdlib/libdoc/gserver/rdoc/index.html

gserver是一个通用服务器的实现，提供了线程池管理，简单的日志和多服务器管理。

GServer implements a generic server, featuring thread pool management, simple logging, and multi-server management. See HttpServer in xmlrpc/httpserver.rb in the Ruby standard library for an example of GServer in action.

http://www.aimred.com/news/developers/2010/01/16/rediscovering_ruby_gserver/

http://www.huangzhimin.com/entries/174-ruby-gserver-source-code-to-read

HTML 5 Web Sockets 服务器试探 ... 11 replies

bd7lx — Thu, 10 Dec 2009 13:53:47 +0800

http://github.com/laktek/Web-Socket-Examples

Ruby Server to serve web socket requests (based on Event Machine and Thin HTTP parser)

HTML5 WebSockets works in latest Google Chrome

HTML 5 WebSocket规范中定义，在浏览器和服务器之间采用单socket全双工（或者叫双向）传输来push和pull信息。

HTML 5 WebSocket是推动web全双工实时通信的主要机制。

规范提供一个简单的JavaScript 界面，让开发者能够打开一个全双工套接字socket连接，并可以直接连接到任何基于TCP的后端服务(比如：JMS,JMX,IMAP,Jabber 等)。

http://chinaonrails.com/topic/view/2162.html

HTML 5 WebSocket 与 Ajax方案和Coment开发方案相比
在延时、无法广播、性能等问题上有显著的优势。

Kaazing Gateway 是目前一个出名的开源HTML 5 webSocket Server，其架构图：

Kaazing Gateway 使开发者现在就能利用这个WebSocket规范的好处，提供了一个JavaScript库来模拟HTML 5 WebSocket，从而有可能利用WebSocket接口开发应用，并可以部署到现代和未来的浏览器中。

web服务 Notification HUB API ... 1 reply

bd7lx — Thu, 26 Nov 2009 10:21:37 +0800

im.kayac.com is a web service that provides some notification APIs.

You can easily send notify to your jabber or iphone by HTTP API or Email forwarding
Currently supports as notification sources:
HTTP POST
Email

Notification targets:
Jabber, Google Talk
iPhone

FCGI for Ruby 1.9 好了 ... no reply

bd7lx — Wed, 25 Nov 2009 15:26:48 +0800

http://rubyforge.org/frs/?group_id=9226

http://rubyforge.org/frs/download.php/67077/fcgi-0.8.8.gem

Node.js 服务器端的js 比美eventmachine ... 9 replies

bd7lx — Tue, 24 Nov 2009 11:42:31 +0800

http://nodejs.org/

Evented I/O for V8 javascript

http://simonwillison.net/2009/Nov/23/node/

按照官方的介绍：它是Evented I/O for V8 javascript，主要的优点就是它可以非常简单的构建可扩展网络应用，同传统的基于线程的解决方式相比，node.js则不会直接执行IO处理，执行过程本身是无锁的，节省内存，从而大大提升处理并发的效率。
http://hi.baidu.com/thinkinginlamp/blog/item/083134a84933b1bbca130c23.html

做个聊天的程序吧
http://github.com/ry/node_chat

更多本站的eventmachine
http://chinaonrails.com/q/eventmachine

apache mongrel 古怪的问题 ... 2 replies

地球 — Mon, 23 Nov 2009 10:23:59 +0800

apache+4个mongrel实例，运行一段时间（一天）后，出现严重的断链情况！也就是时而可以访问时而不能访问！

小册子The Ruby 19x Web Servers Booklet ... no reply

bd7lx — Fri, 09 Oct 2009 09:37:30 +0800

http://oldmoe.blogspot.com/2009/10/ruby-19x-web-servers-booklet.html

铁道上非官方的谷歌操作系统Ruby on Rails on unofficial Chrome OS ... 2 replies

bd7lx — Tue, 29 Sep 2009 10:00:45 +0800

http://formatinternet.wordpress.com/2009/09/29/ruby-on-rails-on-unofficial-chrome-os/

体验下载点
http://sites.google.com/site/chromeoslinux/download

有格式两种选择，一种虚拟机硬盘，还有iso live CD

User password: user
Root password: root

Ravelry 编织网作者访谈录 ... 2 replies

bd7lx — Fri, 04 Sep 2009 13:11:25 +0800

http://www.tbray.org/ongoing/When/200x/2009/09/02/Ravelry

https://www.ravelry.com/account/login

访谈作者 Casey Forbes 讲到所用的服务器架构

7 servers running Gentoo Linux and virtualized into a total of 13 virtual servers with Xen.

2 are small, low-powered things. One does backups and the other is a “utility server” which is assorted non-critical processes and a place for me to stage stuff.

2 (more or less) are the master database and the slave database + Sphinx search engine. These have 32 GB of memory each. At the time, 64 GB was too expensive. I’m running a Percona build of MySQL 5.0. I love the Percona builds.

The other 3 (more or less) are application servers. They run Passenger and Ruby Enterprise edition, Ruby 1.8.6, memcached. That’s 6 quad core processors and 40 GB of memory total, with room to spare. Passenger gave me a lot more memory to work with and the Ruby GC patches are great too.

...as always, nearly all of the scaling/tuning/performance related work is database related.

Our front end server is Nginx and Haproxy. So traffic goes a little like this:

nginx ⇒ haproxy ⇒ (load balanced) ⇒ apache + mod_passenger

I’ve been using Tokyo Cabinet/Tyrant instead of memcached in some places for caching larger objects.

Clogger configurable request logging for Rack ... no reply

bd7lx — Mon, 31 Aug 2009 13:55:43 +0800

http://clogger.rubyforge.org/

Clogger is Rack middleware for logging HTTP requests. The log format is customizable so you can specify exactly which fields to log.

FEATURES
highly customizable with easy-to-read nginx-like log format variables.

pre-defines Apache Common Log Format, Apache Combined Log Format and Rack::CommonLogger (as distributed by Rack 1.0) formats.

Untrusted values are escaped (all HTTP headers, request URI components) to make life easier for HTTP log parsers.

RestMS：RESTful消息服务奔驰在HTTP上 ... no reply

bd7lx — Tue, 25 Aug 2009 09:46:01 +0800

RestMS is a new standard for real web messaging that offers simple, scalable, and secure data delivery over ordinary HTTP.

http://www.restms.org/article:introduction-to-restms

目前还没有Ruby的实现

RestMS Implementations

Ahkera by Thilo Fromm, in Python/Django.
Zyre by iMatix, in C (part of OpenAMQ package).
Client stack in Perl by Pieter Hintjens (in RestMS git)

独角马Unicorn 踢代落水狗: Rack HTTP server for Unix and fast clients ... 4 replies

bd7lx — Fri, 21 Aug 2009 14:36:55 +0800

http://unicorn.bogomips.org/

Designed for Rack, Unix, fast clients, and ease-of-debugging.

It is better supported by the operating system, nginx or Rack.

Compatible with both Ruby 1.8 and 1.9, Rubinius support is planned.

身世来自那条出名的狗

Unicorn is copyright 2009 Eric Wong and contributors. It is based on Mongrel and carries the same license.

Mongrel is copyright 2007 Zed A. Shaw and contributors. It is licensed under the Ruby license and the GPL2. See the included LICENSE file for details.

Unicorn is 100% Free Software.

与mongrel相比，优点还是相当突出地
Process management: Unicorn will reap and restart workers that die from broken apps.
There is no need to manage multiple processes or ports yourself.
Unicorn can spawn and manage any number of worker processes you choose to scale to your backend.

另外有独角马在网页上，而不是服务器
http://chinaonrails.com/topic/view/2947.html

Twitter架构演变 ... 1 reply

bd7lx — Mon, 29 Jun 2009 09:20:06 +0800

http://www.infoq.com/news/2009/06/Twitter-Architecture

http://blog.evanweaver.com/articles/2009/03/13/qcon-presentation/

目前还没有放弃rails

http://highscalability.com/scaling-twitter-making-twitter-10000-percent-faster?page=1

Rack加Tidy ... no reply

bd7lx — Tue, 02 Jun 2009 13:01:19 +0800

http://www.railsfire.com/article/rack-middleware-using-html-tidy

HTML Tidy是一个免费的HTML语言检查工具，检查代码并指出一些与已发布的W3C标准不一致的地方。它可以用来解析包含HTML标记的HTML文件或字符串，并可以自动改正错误，使其与相关标准完全一致。

http://tidy.sourceforge.net/

　　HTML Tidy是跨平台的，在Windows、Macintosh、UNIX等平台上都可以使用。

静态html生成的webby也用到HTML Tidy
http://chinaonrails.com/topic/view/898.html

视频: 种棵属于自己的桉树，让它高耸入云 ... no reply

bd7lx — Fri, 22 May 2009 11:51:55 +0800

http://www.orug.org/articles/2009/05/18/eucalyptus-your-personal-cloud

这棵开源的树长到云彩里就商业化了，因为得到的VC肥料的灌溉

Eucalyptus的安装，中文介绍
http://blog.sina.com.cn/s/blog_53f716d40100dlfj.html

Shoes搭Shotgun成了本地web服务器 ... no reply

bd7lx — Thu, 21 May 2009 14:55:42 +0800

可以做开发机本地机器上玩

http://github.com/hansineffect/shoes-and-a-shotgun/tree/master

鞋就是_why先生搞出来的GUI

shotgun 也许您听说过Rack，
不要装填的机柜
http://chinaonrails.com/topic/view/349.html

Shoes-and-a-shotgun is an app for Shoes that runs a Thin web-server locally on
the users machine.

It uses Ryan Tomayko's Shotgun for easy reloading.

看香港电影同胞，里面搜山的场景，香港警察前面开了几枪，掉头就往后跑，高喊reload，说明他们的枪不行，以前香港电影里的枪的子弹装得多的多，好像不容易打光，即使打光了也自动（偷偷换也不用喊）就换了弹夹

HighlyAvailableLAMP搞可靠啦 ... no reply

bd7lx — Tue, 19 May 2009 10:11:21 +0800

https://help.ubuntu.com/community/HighlyAvailableLAMP

搭建HA（高可靠）服务器Linux, Apache, MySQL, and PHP (LAMP)

技术关键DRBD
Distributed Replicated Block Device 是 Linux 平台上的分布式储存系统。其中包含了核心模组，数个使用者空间管理程式及 shell scripts，通常用于高可用性（high availability, HA）丛集。DRBD 类似磁盘阵列的RAID 1（镜像），只不过 RAID 1 是在同一台电脑内，而 DRBD 是透过网络。

即使一台倒下，另外一台也能保证服务。

Gearman - 分布式远程过程处理框架与ruby ... no reply

bd7lx — Fri, 15 May 2009 10:11:54 +0800

http://www.linux-mag.com/id/7330

Gearman 是 Perl 写的任务调度程序，提供一个服务器端和多种语言的客户端接口，包括 C/Perl/Python/Ruby

http://www.maycode.com/index.php/linux/34-linuxbase/1295-spread.html

gearman简介
http://blog.csdn.net/heiyeshuwu/archive/2009/05/12/4174350.aspx

大头头大 x-json 安全性思考 ... no reply

bd7lx — Wed, 08 Apr 2009 08:31:31 +0800

http://devcentral.f5.com/weblogs/macvittie/archive/2009/04/07/ruby-developers-ignore-security-risks-claim-x-json-header-lsquonothing-seriousrsquo.aspx

Prototype 是可以通过自定义的HTTP Header 信息里的X-JSON 传数据

不光ruby这么干，php， java都这么干了，Ajax不只一个在战抖