This document discusses RabbitMQ, an open source message broker. RabbitMQ uses queues to buffer messages and allow asynchronous message passing between producers and consumers. It supports multiple programming languages and common patterns like work queues, publish/subscribe, routing, and remote procedure calls. Exchanges in RabbitMQ support different routing strategies like direct, topic-based, and fanout messaging between queues and producers/consumers.

1. Social
network
informa0on
http://twitter.com/jefersonm https://github.com/jefersonm/
Jéferson Machado
So#ware
Design
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2. WHAT IS THAT ?
Robust messaging for applications

3. Written in:

5. LANGUAGES
• JAVA / JVM • RUBY
– GROOVY / GRAILS • PYTHON
– SCALA / LIFT • .NET
– AKKA • PHP
– PLAY! FRAMEWORK • PERL
• C/C++
• ERLANG
• LISP
• HASKELL

6. HOW IT WORKS ?
Post man

7. JARGON
Producer
Sent
message
Queue
Buffer
that
stores
messages
Consumer
Receive
message

8. WORKER QUEUES

9. worker.py
new_task.py

10. ROUND-ROBIN DISPATCHING
Consumer
1
Consumer
2

11. MESSAGE ACKNOWLEDGMENT
Ack
Consumer
1
Consumer
2

12. MESSAGE ACKNOWLEDGMENT
Consumer
1
Consumer
2

13. MESSAGE DURABILITY

14. FAIR DISPATCH
prefetch=1
prefetch=1
Consumer
1
Consumer
2

15. PUBLISH / SUBSCRIBLE

16. EXCHANGES
Wrong
Right

17. EXCHANGES
TYPES:
• Direct
• Topic
• Fanout
• Header
Default
exchange

18. BINDINGS

19. TEMPORARY QUEUES
With
name:
Random
name:
amq.gen-­‐U0srCoW8TsaXjNh73pnVAw==

20. ROUNTING
Exchange:
direct

21. TOPICS
Message
=
quick.orange.rabbit
Q1,
Q2
Message
=
quick.orange.fox
Q1
Message
=
lazy.brown.fox
Q2
Exchange:
topic

22. TOPIC IS MUCH POWERFUL!!!
Message
=
#
fanout
Message
=
no
“#”
(hash)
and
“*”
(star)
direct

23. PLUGINS

24. PLUGINS

25. REFERENCES
• http://www.rabbitmq.com/
• https://github.com/jefersonm/sandbox/tree/gh-pages/python/rabbitmq

26. Social
network
informa0on
http://twitter.com/jefersonm https://github.com/jefersonm/
Jéferson Machado
So#ware
Design
http://facebook.com/jefe.machado http://slideshare.net/jefersonm