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Beyond Rails Server
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Michael Chen
November 17, 2012
Technology
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Beyond Rails Server
For RubyConf China 2012
Michael Chen
November 17, 2012
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Transcript
Beyond `rails server` Rails全栈技术指南
陈金洲 @mechiland Picture taken by Michael Chen
部署 监控 架构演进
gem install rails
RVM
rails g scaffold
GET PUT POST DELETE show update create destroy SELECT UPDATE
INSERT DELETE Programming Model
rails server
None
“15分钟创建Blog” “24小时创建一个网站”
“15分钟创建Blog” “24小时创建一个网站”
“15分钟创建Blog” “24小时创建一个网站”
1. 部署
jinshuju.net
None
Browser Web Server App Server Database
Browser Web Server App Server Database ? ? ? ?
注册域名
‣ www.domain.com ‣ *.domain.com ‣ MX 记录 ‣ TXT 记录
域名
主机
备案
None
None
cannot find this picture source
Web, App, DB
硬件准备完毕…… jinshuju.net
Git master dev feature 1 feature 2
部署 cap deploy
除了CRUD resque + god cronjob + whenever
持续部署 DEV UAT PROD
2. 监控
[h]top
vmstat w uptime ps free iostat sar mpstat pmap netstat
ss iptraf tcpdump strace /proc
None
None
监控什么?
硬盘 www/db服务状态 Google Analytics CPU ⻚页⾯面响应时间 微博@ 内存 4xx/5xx⻚页⾯面 ⽤用户⾏行为数据
带宽 邮件队列 ……
硬盘 www/db服务状态 Google Analytics CPU ⻚页⾯面响应时间 微博@ 内存 4xx/5xx⻚页⾯面 ⽤用户⾏行为数据
带宽 邮件队列 可⽤用性影响逐渐减少 实际花费时间逐渐增加
3. 架构演进 http://www.flickr.com/photos/declicjardin/309583331
None
None
初始 Model View Controller DB
进行中 Model View Controller DB Model View Controller DB Model
View Controller DB
真实情况 Model View Controller DB Model View Controller DB Model
View Controller DB Model View Controller DB Model View Controller DB
JavaEE/.NET
Rails/Linux的方式 resque cronjob
‣ 前台进程、后台进程、cronjob ‣ 前台进程保证响应时间在可接受范 围之内(<200ms) ‣ 将耗时操作放入后台(delay_job, resque, sidekiq) ‣
善用cronjob(whenever)
代码行阈值 3000
随时准备应用剥离 Picture taken by Michael Chen
核⼼心应⽤用 domain.com
核⼼心应⽤用 domain.com 核⼼心部分 domain.com ⽀支付 payments.domain.com
核⼼心应⽤用 domain.com 核⼼心部分 domain.com ⽀支付 payments.domain.com 核⼼心部分 domain.com ⽀支付 payments.domain.com
⽤用户管理 my.domain.com
‣ 将架构演进视作正常行为 ‣ 警惕代码行数 ‣ 随时准备剥离,进行进程分离 ‣ 为引入新技术做好准备
X. 免费赠送 http://www.flickr.com/photos/rtv/2269548635
B2B Go B2b, B2C
rubygems.org
not just What It’s about How and Why
部署 实现持续部署 监控 监控应用行为 架构演进 警惕规模变大 Beyond `rails server`
谢谢! @mechiland 陈金洲 http://michael.nona.name