1. Deployment de Rails
Fabio Akita
www.akitaonrails.com

9. Deployment de Rails

13. +7000 pessoas no WWR

14. +7000 pessoas no WWR
+3 anos

15. +7000 pessoas no WWR
+3 anos
+8M hits no Google

24. “Rails Escala?”

25. “Sim, Rails Escala!”

27. Rails 1.0 em 2005

28. Rails 1.0 em 2005
MySQL

29. Rails 1.0 em 2005
MySQL
LightTPD + Fast CGI

31. Database/Storage

32. Database/Storage
“Rails Stack”

33. Database/Storage
“Rails Stack”
HTTP Server/Load Balancer

34. Database

36. MySQL
PostgreSQL
Oracle/SQL Server/Informix/Sybase ...

37. MySQL
PostgreSQL
Oracle/SQL Server/Informix/Sybase ...
MEMCACHED

38. Rails App Database

39. Rails App Database

40. MEMCACHED
Rails App
Database

41. MEMCACHED
Rails App
Database Slave

42. class Post < ActiveRecord::Base
end

43. class Post < ActiveRecord::Base
acts_as_cached
after_destroy :expire_cache
end

44. http://errtheblog.com/posts/57-kickin-ass-w-cachefu

45. HTTP Servers

47. Maduro
Apache 2.x
Mais “pesado”

48. Maduro
Apache 2.x
Mais “pesado”
Nginx 0.5 Rápido

49. Maduro
Apache 2.x
Mais “pesado”
Nginx 0.5 Rápido
Rápido
Litespeed 3.x
Comercial

51. FastCGI Instável

52. FastCGI Instável
SAPI Rápido

53. FastCGI Instável
SAPI Rápido
HTTP
Estável
Proxy Reverso

54. FastCGI Instável
SAPI Rápido
HTTP
Estável
Proxy Reverso
mod_rails recém-chegado

55. HTTP
“Rails Stack”
Server

56. FCGI
HTTP
“Rails Stack”
Server

57. FCGI
HTTP
SAPI “Rails Stack”
Server

58. FCGI
HTTP
SAPI “Rails Stack”
Server
HTTP

59. “Rails Stack”
FCGI
HTTP
SAPI “Rails Stack”
Server
HTTP
“Rails Stack”

60. Rails Stack

61. “Rails Stack”

62. “Rails Stack”
Ruby VM (MRI)

63. “Rails Stack”
RubyGems
Ruby VM (MRI)

64. Ruby on Rails
“Rails Stack”
RubyGems
Ruby VM (MRI)

65. Ruby on Rails
Mongrel
“Rails Stack”
RubyGems
Ruby VM (MRI)

67. Rails, ActiveSupport, ActiveRecord, ActionPack

68. Rails, ActiveSupport, ActiveRecord, ActionPack
ActionMailer, ActiveResource, ActionWS

69. Rails, ActiveSupport, ActiveRecord, ActionPack
ActionMailer, ActiveResource, ActionWS
Capistrano, Net-SSH, Net-SFTP

70. Rails, ActiveSupport, ActiveRecord, ActionPack
ActionMailer, ActiveResource, ActionWS
Capistrano, Net-SSH, Net-SFTP
Mongrel, Mongrel Cluster

71. Rails, ActiveSupport, ActiveRecord, ActionPack
ActionMailer, ActiveResource, ActionWS
Capistrano, Net-SSH, Net-SFTP
Mongrel, Mongrel Cluster
Rmagick, Mini Magick, Image Science

72. Rails, ActiveSupport, ActiveRecord, ActionPack
ActionMailer, ActiveResource, ActionWS
Capistrano, Net-SSH, Net-SFTP
Mongrel, Mongrel Cluster
Rmagick, Mini Magick, Image Science
Rspec, ZenTest

74. Mongrel Multi-threaded

75. Mongrel Multi-threaded
Rails Non-concurrent

77. Mongrel

78. Ruby on Rails
Mongrel

79. Outras Gems
Ruby on Rails
Mongrel

80. Sua Applicação
Outras Gems
Ruby on Rails
Mongrel

81. “Rails Stack”

83. Mongrel Cluster

84. Mongrel Cluster
Load Balancer

85. Monit
God

86. objetos
Ruby VM

87. objetos
objetos
Ruby VM

88. GC
objetos
objetos
Ruby VM

89. objetos
objetos
Ruby VM

90. Memória
Livre
não desalocada
objetos
objetos
Ruby VM

91. Monit
Rails App

92. Rails App Monit

93. Monit
Rails App

94. Load
Balancer

95. Rails + Mongrel
Rails + Mongrel
Rails + Mongrel
Load
Balancer
Rails + Mongrel
Rails + Mongrel
Rails + Mongrel

96. Capistrano

98. capify .
cap setup
cap deploy
cap rollback

99. capify .
set :application, "mey_aplicativo"
set :repository, "git://server.com/projeto.git"
set :deploy_to, "/var/www/#{application}"
cap setup
default_run_options[:pty] = true
set :repository, "git@github.com:user/rails-app.git"
set :scm, "git"
set :scm_passphrase, "p00p"
set :user, "deployer"
cap deploy
set :branch, "origin/master"
set :deploy_via, :remote_cache
set :git_shallow_clone, 1
set :git_enable_submodules, 1
cap rollback

100. capify .
cap setup
cap deploy
cap rollback

101. capify .
cap setup
cap deploy
cap rollback

102. capify .
cap setup
cap deploy
cap rollback

103. Desktop

104. SCM
(Git)
Desktop

105. SCM
(Git)
Desktop

106. SCM
(Git)
Desktop

107. SCM
Staging
(Git)
Cap
Desktop

108. SCM
Staging
(Git)
Cap
Desktop

109. SCM
Staging
(Git)
Cap
Desktop

110. SCM
Staging
(Git)
Cap
Desktop Production
Cap

111. SCM
Staging
(Git)
Cap
Desktop Production
Cap

112. SCM
Staging
(Git)
Cap
Desktop Production
Cap

113. SCM
Desktop
(Git)

114. SCM
Desktop
(Git)
Production Production Production Production
Cap Cap Cap Cap
Production Production Production Production
Cap Cap Cap Cap

115. http://capify.org/

116. Quantos Mongrels?

117. Apache Bench
• Blog Demo
• Post resource
• (1 query, 20 rows)

118. Apache Bench

119. Apache Bench
ab -n 1000 http://127.0.0.1:3000/posts

120. Apache Bench
ab -n 1000 http://127.0.0.1:3000/posts
1 conexão
1000 requisições

121. Apache Bench
ab -n 5000 -c 10 http://127.0.0.1:3000/posts

122. Apache Bench
ab -n 5000 -c 10 http://127.0.0.1:3000/posts
10 conexões
5000 requisições

123. Nginx - 3 Mongrels

124. Nginx - 3 Mongrels
req/s (mean)
1000
requests
1 conexão
5000
requests
10
conexões

125. Nginx - 3 Mongrels
req/s (mean) Hello World
1000
requests 414.56
1 conexão
5000
requests
701.88
10
conexões

126. Nginx - 3 Mongrels
Posts
req/s (mean) Hello World
(puro)
1000
requests 414.56 24.44
1 conexão
5000
requests
701.88 39.31
10
conexões

127. Nginx - 3 Mongrels
Posts
Posts
req/s (mean) Hello World (page
(puro)
cache)
1000
requests 414.56 24.44 1587.31
1 conexão
5000
requests
701.88 39.31 2220.24
10
conexões

128. Nginx - 3 Mongrels
Posts Posts
Posts
req/s (mean) Hello World (page (action
(puro)
cache) cache)
1000
requests 414.56 24.44 1587.31 106.29
1 conexão
5000
requests
701.88 39.31 2220.24 96.81
10
conexões

129. Memória

130. Memória
1 Mongrel,
~30 Mb
1 Rails vazio

131. Memória
1 Mongrel,
~30 Mb
1 Rails vazio
1 Mongrel,
~70Mb
1 Mephisto

132. http://www.scribd.com/doc/97641/
JHoffmanRailsConfMay2007

133. Estratégias

135. Rails Cache (Page/Action/Fragment)

136. Rails Cache (Page/Action/Fragment)
MEMCACHED

137. Rails Cache (Page/Action/Fragment)
MEMCACHED
Asynchronous Processes
(BackgrounDRb, cronjobs, etc)

138. class PostsController < Application
def action
# código lento
end
end
# http://www.site.com/posts

139. class PostsController < Application
def action PERIGO!
# código lento
end
end
# http://www.site.com/posts

140. class PostsController < Application
def action
MiddleMan.new_worker(
:class => :heavy)
end
end
class Heavy <
BackgrounDRb::Worker::RailsBase
def do_work(options)
# código lento
end
end

141. Tempo de Execução
Rails Request

142. Tempo de Execução
Rails Request
CACHE

143. Tempo de Execução
Rails Request

144. Tempo de Execução
Rails Request
Async

145. Tempo de Execução
Rails Request
Outros

150. 920 pageviews/dia
~30 req/s pico
USD 370/mês

151. Deployment comum

152. Cap

153. Nginx
Cap

154. MySQL
Nginx
Cap

155. MySQL
Nginx
Memcached
Cap

156. MySQL
Nginx
Memcached
Cap Git

165. Desafios

167. Performance
Green Threads x Native Thread + GIL
Memory Management
C Extensions
Interoperability

168. Performance
Green Threads x Native Thread + GIL
Memory Management
C Extensions
Interoperability

169. Performance
Green Threads x Native Thread + GIL
Memory Management
C Extensions
Interoperability

170. Performance
Green Threads x Native Thread + GIL
Memory Management
C Extensions
Interoperability

171. Performance
Green Threads x Native Thread + GIL
Memory Management
C Extensions
Interoperability

181. Instalação

182. Instalação
aptitude install apache2 apache2­mpm­prefork
ruby1.8 dev apache2­prefork­dev
gem install passenger
./passenger­install­apache2­module
cd /var/www ; rails .

183. Instalação
aptitude install apache2 apache2­mpm­prefork
ruby1.8 dev apache2­prefork­dev
gem install passenger
./passenger­install­apache2­module
cd /var/www ; rails .

184. Instalação
aptitude install apache2 apache2­mpm­prefork
ruby1.8 dev apache2­prefork­dev
gem install passenger
./passenger­install­apache2­module
cd /var/www ; rails .

185. Instalação
aptitude install apache2 apache2­mpm­prefork
ruby1.8 dev apache2­prefork­dev
gem install passenger
./passenger­install­apache2­module
cd /var/www ; rails .

186. LoadModule passenger_module /opt/local/lib/ruby/gems/1.8/gems/
passenger-1.0.1/ext/apache2/mod_passenger.so
RailsSpawnServer /opt/local/lib/ruby/gems/1.8/gems/passenger-1.0.1/bin/
passenger-spawn-server
RailsRuby /opt/local/bin/ruby
<Directory "/Users/akitaonrails/rails/blog/public">
Order allow,deny
Allow from all
</Directory>
<VirtualHost *:80>
ServerName localhost
DocumentRoot /Users/akitaonrails/rails/blog/public
</VirtualHost>

188. Benchmarks
Mongrel Thin Passenger

189. Benchmarks
Mongrel Thin Passenger

191. Obrigado!
www.akitaonrails.com