Asynchronous tasks in PHP

Why & how making asynchronous tasks in PHP
PHPTour Lyon 2014 - 24/06/2014

Transcript

1. Making asynchronous
   tasks in PHP
   

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3. Olivier Dolbeau
   @odolbeau
   Web Architect
   About me
   

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4. RIDESHARING
   Cost of
   motoring
   100€
   25€
   25€
   25€
   25€
   @BlaBlaCar_FR
   ALONE
   

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5. A fast growing community
   

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6. A European phenomenon
   

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12. Your visitors don’t want to wait!
    and if they have to, they
    don’t want to know it
    

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13. For you :
    

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14. Your web servers want to make
    their job!
    (they don’t care about emails other boring tasks)
    

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16. Separating concerns
    Serveur
    web
    Consumer
    Consumer
    Consumer
    Consumer
    Consumer
    

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17. Separating concerns
    

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19. How Rabbit work?
    

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20. With more consumers
    

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21. You can add simple routing logic
    

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22. Or more complex logic
    

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23. How your app talks to RabbitMQ?
    

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24. With the PECL extension
    Thanks to Pieter de Zwart
    See: pdezwart/php-amqp
    Use librabbitmq (alanxz/rabbitmq-c)
    

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25. How to connect to RabbitMQ?
    

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26. How to publish a message?
    

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27. How to consume a message?
    

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32. It’s a trap !
    

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33. get > consume
    ● consume is a blocking call
    ● you don’t want blocking calls in your
    application !
    ● Use “get” method with a poll-interval
    

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41. Wait 30 seconds
    and retry!
    

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42. Wait 3 minutes
    and retry!
    

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43. Wait half an hour
    and retry!
    

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48. Swarrot
    

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49. Existing processors
    

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53. Last tip !
    

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56. Making asynchronous tasks is good
    (even in PHP)
    

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57. @odolbeau
    https://joind.in/ 11237
    https://github.com/swarrot/swarrot
    https://speakerdeck.com/odolbeau/asynchronous-tasks-in-php
    

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