Adding 1.21 Gigawatts to Applications with RabbitMQ (Bulgaria PHP 2016 - Tutorial)
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As your application grows, you soon realise you need to break up your application into smaller chunks that talk to each other. You could just use web services to interact, or you could take a more robust approach and use the message broker RabbitMQ. In this tutorial, I will introduce RabbitMQ as a solution to scalable, interoperable and flexible applications. This tutorial is perfect for those who would like a deep dive into RabbitMQ with little or no pre-existing knowledge about message queuing systems. Once you’ve finished the tutorial, you will have learnt how to set up basic publish/subscribe message queues, control the flow of messages using various exchanges, and understand various features of RabbitMQ such as RPC, TTL, and DLX.
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Adding 1.21 Gigawatts to Applications with RabbitMQ (Bulgaria PHP 2016 - Tutorial)
- 1. @asgrim this slide is intentionally left blank
- 2. @asgrim Before we begin... Copy folder from USB to your local machine. $ cd /path/to/the/folder/you/copied/from/usb/ $ vagrant box add asgrim/rmq-vm rmq-vm.box $ vagrant up --no-provision Test it in your browser... http://192.168.33.99:15672/
- 4. James Titcumb www.jamestitcumb.com www.roave.com www.phphants.co.uk www.phpsouthcoast.co.uk @asgrim Who is this guy?
- 6. @asgrim What is a message?
- 7. @asgrim What is message queueing?
- 10. @asgrim Scaling with Rabbit RabbitMQApplication Background processing Background processing
- 11. @asgrim Scaling with Rabbit RabbitMQApplication Background processing Background processing Background processing
- 12. @asgrim Scaling with Rabbit RabbitMQApplication Background processing Background processing Background processing Background processing
- 13. @asgrim Scaling with Rabbit RabbitMQApplication Background processing Background processing Background processing Background processing Background processing
- 14. @asgrim AMQP
- 15. @asgrim AMQP Low Level Frame 1 1 67 <frame payload> 0xCE
- 16. @asgrim AMQP Frame: Basic.Publish <frame payload> Publish <exchange> <routing key> <flag> 1 1 67 0xCE Basic
- 17. @asgrim AMQP Message: Multiple Frames 1 1 67 Basic.Publish 0xCE 2 1 102 Content Header 0xCE 3 1 1024 Body 0xCE 3 1 1024 Body 0xCE 3 1 1024 Body 0xCE 3 1 1024 Body 0xCE
- 19. @asgrim AMQP Headers ● content-type ● content-encoding
- 20. @asgrim AMQP Headers ● content-type ● content-encoding ● message-id
- 21. @asgrim AMQP Headers ● content-type ● content-encoding ● message-id ● correlation-id ● reply-to
- 22. @asgrim AMQP Headers ● content-type ● content-encoding ● message-id ● correlation-id ● reply-to ● expiration
- 23. @asgrim AMQP Headers ● content-type ● content-encoding ● message-id ● correlation-id ● reply-to ● expiration ● priority
- 24. @asgrim AMQP Headers ● content-type ● content-encoding ● message-id ● correlation-id ● reply-to ● expiration ● priority ● headers
- 26. @asgrim Who is using it?
- 27. @asgrim SOA
- 29. @asgrim (you need Vagrant+VirtualBox already) Installing RabbitMQ
- 30. @asgrim vagrant up Copy folder from USB to your local machine. $ cd /path/to/the/folder/you/copied/from/usb/ $ vagrant box add asgrim/rmq-vm rmq-vm.box $ vagrant up --no-provision Test it in your browser... http://192.168.33.99:15672/
- 31. @asgrim Library with Composer composer require php-amqplib/php-amqplib
- 35. @asgrim Objective: Basic Queuing Producer Consumer test_queue 1 2 3 4 5
- 39. @asgrim A word on Temporary Queues test_exchangeProducer Messages go nowhere
- 41. @asgrim Objective: Direct Exchange test_direct BK = apple BK = banana, apple Consumer Consumer Producer BK = orange, banana, apple Consumer
- 42. @asgrim Objective: Direct Exchange test_direct BK = apple BK = banana, apple Consumer Consumer Producer MESSAGE ROUTING KEY = ORANGE BK = orange, banana, apple Consumer
- 43. @asgrim Objective: Direct Exchange test_direct BK = apple BK = banana, apple Consumer Consumer Producer MESSAGE ROUTING KEY = BANANA BK = orange, banana, apple Consumer
- 44. @asgrim Objective: Direct Exchange test_direct BK = apple BK = banana, apple Consumer Consumer Producer MESSAGE ROUTING KEY = APPLE BK = orange, banana, apple Consumer
- 46. @asgrim Objective: Topic Exchange test_topic BK = *.vegetable BK = # Consumer Consumer Producer BK = green.# Consumer BK = *.grass.* / *.*.long Consumer
- 47. @asgrim Objective: Topic Exchange test_topic BK = *.vegetable BK = # Consumer Consumer Producer RED.VEGETABLE BK = green.# Consumer BK = *.grass.* / *.*.long Consumer
- 48. @asgrim Objective: Topic Exchange test_topic BK = *.vegetable BK = # Consumer Consumer Producer GREEN.VEGETABLE BK = green.# Consumer BK = *.grass.* / *.*.long Consumer
- 49. @asgrim Objective: Topic Exchange test_topic BK = *.vegetable BK = # Consumer Consumer Producer GREEN.GRASS.LONG BK = green.# Consumer BK = *.grass.* / *.*.long Consumer
- 52. @asgrim
- 53. @asgrim Fetch message Logging Sequence ApplicationBrowser Log Server HTTP request JSON via AMQP Error! HTTP response RabbitMQ
- 57. @asgrim RPC
- 58. @asgrim RPC example Producer Consumer test_queue 1 reply_to: amq.gen-Xa2 1’
- 59. @asgrim TTL
- 60. @asgrim TTL - per queue message Producer Consumer test_queue 1 2 3 4 5 } 10s
- 61. @asgrim TTL - per message Producer Consumer test_queue 1 2 3 4 5 5s 3s 7s 1s 9s
- 62. @asgrim TTL - queue Producer test_queue } 5s (if no consumers)
- 63. @asgrim Photo: © Rob Allen (akrabat) https://flic.kr/p/6wp9iz
- 64. @asgrim DLX
- 66. @asgrim Scheduling / Delayed messages
- 67. @asgrim Shovel
- 69. @asgrim Federated Queues 1 Consumer WAN Rabbit Node #1 Rabbit Node #2 my_queue my_queue (federated)
- 70. @asgrim Priority
- 75. @asgrim Clustering RabbitMQ Node 1 RabbitMQ Node 3 RabbitMQ Node 2 RabbitMQ Node 4 RabbitMQ Node 5 RabbitMQ Node 6 Load Balance / Floating IP / Low TTL DNS etc.
- 79. @asgrim /etc/rabbitmq/rabbitmq.config [ {rabbit, [ {loopback_users, []}, {vm_memory_high_watermark, 0.8} ]} ].
- 80. @asgrim /etc/rabbitmq/rabbitmq.config [{{{[{{[{{}}{][[[{[{{}[[}{[[{}[][}{}}}{}}{{,},]{ [[{rabbit, [{{}[[}{,,{}[][}{[][][{}{{{{}}}}[[}{{ {{}}{loopback_users, []},[][][]{}{}{}<}{[}[][][} [{{[{vm_memory_high_watermark, 0.8}]]{}{[[[]]{}] {{]}[{[{{}[[}{]]{}[][,{}[][}{[][][{}.[]}{]][][]} ]...{}[][,]{.}[][}{}[[[{}{][]}{}{}[}{}{}{]{}{}}[
- 81. @asgrim node1$ rabbitmqctl cluster_status Cluster status of node rabbit@node1 ... [{nodes,[{disc,[rabbit@node1]}]},{running_nodes,[rabbit@node1]}] ...done. Creating a cluster
- 82. @asgrim node2$ rabbitmqctl join_cluster --ram rabbit@node1 node3$ rabbitmqctl join_cluster rabbit@node2 node3$ rabbitmqctl cluster_status Cluster status of node rabbit@node3 ... [{nodes,[{disc,[rabbit@node3,rabbit@node1]},{ram,[rabbit@node2]}]}, {running_nodes,[rabbit@node2,rabbit@node1,rabbit@node3]}] ...done. Creating a cluster
- 84. @asgrim node1$ rabbitmqctl stop_app node2$ rabbitmqctl forget_cluster_node rabbit@node1 node1$ rabbitmqctl reset node1$ rabbitmqctl start_app node2$ rabbitmqctl cluster_status Cluster status of node rabbit@node2 ... [{nodes,[{disc,[rabbit@node3]},{ram,[rabbit@node2]}]}, {running_nodes,[rabbit@node2,rabbit@node3]}] ...done. Removing Nodes
- 86. @asgrim HA + Queue Mirroring RabbitMQ Node 1 RabbitMQ Node 2 Load Balance / Floating IP / Low TTL DNS etc.
- 87. @asgrim BunnyPHP