1. Event Machine
Ricardo Almeida
@almeidaricardo
https://github.com/eventmachine/eventmachine

3. PostRank Tools
• Mysql, Ruby (API), Rails, Sinatra, Phyton,
Java, JRuby, EC2, Nagios, Ganglia, Solr
• Eventmachine, RabbitMQ
• From XMPP to AMQP
• Cassandra, Goliath
http://webpulp.tv/post/4184040219/scaling-postrank-using-ruby-and-eventmachine-with-ilya

4. Ilya Grigorik

7. Event Machine
• Fast, simple event-processing library for Ruby
programs
• Event-driven I/O
• Reactor pattern

8. Designed to
• Extremely high scalability, performance and stability
• An API that eliminates the complexities of high-
performance threaded network programming

10. Social Core
• Escalabilidade
• Disponibilidade - Todos requests devem ser
respondidos
• Consistência

11. Architectures
Job Manager
GET / POST Queue
Server Event
Process

12. Tools
• Rails 3.1.0.rc6
• Ruby 1.9.2-head
• Event-Machine
• Thin
• Goliath
• Mysql (gem mysql2 v 0.3.6)
• MongoDB
• RabbitMQ (AMQP)

13. EM-Tools
• https://github.com/eventmachine/eventmachine/wiki
• https://github.com/igrigorik/em-http-request
• https://github.com/igrigorik/em-synchrony
• https://github.com/postrank-labs/goliath

14. Benchmarks
• ApacheBench,Version 2.3
• Autoperf (httperf)

15. Provas!!

16. Sleep Select (1 sec)
• Tools:
• ApacheBench
• Rails 3.1.0.rc6 + Ruby 1.9.2-head + Mysql +
webrick
https://gist.github.com/1166610

17. Sleep Select (1 sec)
• ab -c 10 -n 10 'http://localhost:3000/people/wait'
• Time taken for tests: 11.255 seconds
https://gist.github.com/1166610

18. Sleep Select (1 sec)
• Tools: Assync Rails
• ApacheBench
• webrick
• Rails 3.1.0.rc6 + Ruby 1.9.2-head + Mysql + Thin
+ EventMachine
https://gist.github.com/1166610

19. Sleep Select (1 sec)
• ab -c 10 -n 10 'http://localhost:3000/people/wait'
• Time taken for tests: 2.371 seconds
https://gist.github.com/1166610

20. Goliath
• Heartbeat
• Assync Upload
• Routes
• Validations

21. Sleep Select (1 sec)
• Tools:
• ApacheBench
• Rails 3.1.0.rc6 + Thin
• Ruby 1.9.2-head + EventMachine + Mysql +
Goliath
https://gist.github.com/1166462

22. Goliath +
ActiveRecord

23. Sleep Select (1 sec)
• ab -c 10 -n 10 'http://0.0.0.0:9000/wait?format=json'
• Time taken for tests: 2.198 seconds
https://gist.github.com/1166610

24. HTTP assinc
Req/Resp no MongoDB
• Tools:
• ApacheBench
• Mysql
• Ruby 1.9.2-head + EventMachine + Goliath +
MongoDB

25. HTTP assinc
Req/Resp no MongoDB
• ab -c 10 -n 10 'http://0.0.0.0:9000/teste?format=json'
• Time taken for tests: 0.209 seconds

26. HTTP assinc
Req/Resp no MongoDB
• ab -c 50 -n 50 'http://0.0.0.0:9000/teste?format=json'
• Time taken for tests: 1.105 seconds

27. EM + RabbitMQ

28. EM + RabbitMQ

29. Domínios
• AAPG • Facebook
• Anotations • Twitter
• Activity (New) • Google+

30. http://www.slideshare.net/hungryblank/distributed-and-concurrent-programming-with-rabbitmq-and-eventmachine-rails-underground-2009

31. http://www.slideshare.net/hungryblank/distributed-and-concurrent-programming-with-rabbitmq-and-eventmachine-rails-underground-2009

32. http://www.slideshare.net/hungryblank/distributed-and-concurrent-programming-with-rabbitmq-and-eventmachine-rails-underground-2009

33. SPDY
http://www.igvita.com/2011/04/07/life-beyond-http-11-googles-spdy/

34. Obrigado!
Ricardo Almeida
@almeidaricardo