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RabbitMQ
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.
RabbitMQ
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- 2. WHAT IS THAT? Robust messaging for applications
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- 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
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- 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
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- 14. FAIR DISPATCH prefetch=1 prefetch=1 Consumer 1 Consumer 2
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- 16. EXCHANGES Wrong Right
- 17. EXCHANGES TYPES: • Direct • Topic • Fanout • Header Default exchange
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- 19. TEMPORARY QUEUES With name: Random name: amq.gen-‐U0srCoW8TsaXjNh73pnVAw==
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- 21. TOPICS Message = quick.orange.rabbit Q1, Q2 Message = quick.orange.fox Q1 Message = lazy.brown.fox Q2 Exchange: topic
- 22. TOPIC IS MUCHPOWERFUL!!! Message = # fanout Message = no “#” (hash) and “*” (star) direct
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- 25. REFERENCES • http://www.rabbitmq.com/ • https://github.com/jefersonm/sandbox/tree/gh-pages/python/rabbitmq
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