Interns What Is DevOps
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![New world. Supervisor
Example config
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[program:billing_statistics]
process_name=%(program_name)s_%(process_num)d
numpro...](https://image.slidesharecdn.com/sfcamp2013-async-131028051457-phpapp01/75/asynchronous-processing-with-php-and-symfony2-do-it-simple-16-2048.jpg?cb=1668657355)
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Asynchronous processing with PHP and Symfony2. Do it simple
- 1. Asynchronous processing with PHP and Symfony2 Do it simple Kirill chEbba Chebunin
- 2. Overview. The Problem REQUEST RESPONSE Expected Response Complete Logic Kirill chEbba Chebunin
- 3. Overview. Examples • Data transfer and manipulation ! • File upload! • Video conversion! • Massive business logic ! • Billing! • Social! • 3rd-party communication! • API calls ! • Notifications Kirill chEbba Chebunin
- 4. Overview. The Solution REQUEST RESPONSE Required Logic Remaining Logic Kirill chEbba Chebunin
- 5. Experience. The Real Project http://hopeliesat24framespersecond.files.wordpress.com/2011/12/love_actually_movie_image_bill_nighy_01.jpg Kirill chEbba Chebunin
- 6. Experience. Billing Partners Billing Aggregator Service Providers Kirill chEbba Chebunin
- 7. Experience. Billing. 2012 Worker Worker Worker Worker Master Worker Worker Kirill chEbba Chebunin
- 8. Experience. Billing. Revolution Made b y Vasily coyl Ku lakov http://darkroom.baltimoresun.com/wp-content/uploads/2012/05/REU-CUBA-MAYDAY-1.jpg Kirill chEbba Chebunin
- 9. Theory http://marketmybook.in/wp-content/uploads/2013/05/Library-Books.jpg Kirill chEbba Chebunin
- 10. Theory. Master-Worker Worker Worker Master Worker Kirill chEbba Chebunin
- 11. Theory. Master-Worker. Conclusions • Process control! • Resources in workers! • Long living workers! • Memory control! • Signal support Kirill chEbba Chebunin
- 12. Theory. RabbitMQ http://www.rabbitmq.com/img/tutorials/intro/hello-world-example-routing.png Kirill chEbba Chebunin
- 13. RabbitMQ • 1 exchange => multiple queries = topic! • Query = Worker type! • Durable exchanges/queries! • Persistent messages! • autoAck=false Kirill chEbba Chebunin
- 14. Experience. Billing. Review http://bi.gazeta.pl/im/84/96/d8/z14194308Q,Najglupsze-pomysly-mistrzow-prowizorki.jpg Kirill chEbba Chebunin
- 15. New world. Master • Master process => supervisor! • Start workers! • Worker count! • Signaled shutdown! • Auto-restart on failure! • Memory control! • …………. Kirill chEbba Chebunin
- 16. New world. Supervisor Example config ! [program:billing_statistics] process_name=%(program_name)s_%(process_num)d numprocs=4 stdout_logfile=/var/log/supervisor/%(program_name)s.out.log stderr_logfile=/var/log/supervisor/%(program_name)s.error.log command=billing rabbitmq:consumer statistics autorestart=true autostart=true Kirill chEbba Chebunin
- 17. New world. Publish/Subscribe • oldsound/rabbitmq-bundle! • Exchange/Queue setup! • Producers! • Consumers! • Command = worker! • Events! • Special event name! • Producer Listener Kirill chEbba Chebunin
- 18. Experience. Billing. 2013 Worker Worker Worker Worker Worker Worker Supervisor Kirill chEbba Chebunin
- 19. Profit? Kirill chEbba Chebunin
- 20. Future. Publish/Subscribe. Improve! • Send any event to async processing! • Use listeners as workers! • Different message bus Kirill chEbba Chebunin
- 21. Future Kirill chEbba Chebunin
- 22. EventBand EventBand http://baadu.ru/ph/8/polosy_na_stene_1280x1024.jpg Kirill chEbba Chebunin
- 23. EventBand. Overview Dispatcher Band#1 Listener Listener Band#2 Listener Band#3 Event Listener Listener Listener Listener Listener Listener Listener Band#4 Listener Listener Band#5 Listener Listener Band#6 Listener Current Listener Default Band Kirill chEbba Chebunin
- 24. EventBand. Architecture PublishListener Listener Listener Listener Listener T R A N S P O R T Listener Band#1 Listener Listener Band#2 Listener Listener Band#3 Listener Kirill chEbba Chebunin
- 25. EventBand. Architecture • Dispatcher! • Band support! • Abstract Subscribers! • Adapters (Symfony, ZF, …)! • Transport! • Setup! • Publisher! • Storage! • Routing! • Consumer! • Adapters (RabbitMQ, ActiveMQ, Gearman, …) Kirill chEbba Chebunin
- 26. EventBand. Utilities • Event Serialization! • Native! • JMS! • Event Routing! • By name! • By properties (PropertyAccess) Kirill chEbba Chebunin
- 27. EventBand. Example. Code Dispatch: ! $dispatcher->dispatch('foo.bar', new FooEvent($foo, $bar)); ! ………………………………………………………… ! Subscribe: ! public function logFooBar(FooEvent $event) { $this->service->saveLog($event->getFoo(), $event->getBar()); } ! ! <service id="log_subscriber" class="FooBarLogSubscriber"> <tag name="kernel.event_subscriber" band=“foo.bar.log" /> </service> Kirill chEbba Chebunin
- 28. EventBand. Example. Config transports: amqp: driver: amqplib connections: default: ~ exchanges: foo: ~ queues: foo.bar.log: bind: foo: "foo.bar" ! publishers: foo: events: "foo.#" ! consumers: foo.bar.log: ~ Kirill chEbba Chebunin
- 29. EventBand. Wanna Play? https://packagist.org/packages/event-band/ Kirill chEbba Chebunin
- 30. Experience. Patterns • Identified Event! • id, time, sequence, process! • logging (sqlite)! • Delayed Event! • original event, delay! • delay time => queue! • ordered queue! • sleep until delay Kirill chEbba Chebunin
- 31. Experience. Troubleshooting • Doctrine! • SqlLogger! • Unit of Work! • flush, detach! • Array properties Kirill chEbba Chebunin
- 32. Questions? Cool Image with Cats and Boobs Kirill chEbba Chebunin iam@chebba.org https://github.com/chEbba https://twitter.com/iamchEbba Kirill chEbba Chebunin
