News Feed
Jobs Feed
Sections




News Archive
Looking for more information on how to do PHP the right way? Check out PHP: The Right Way

Mfana Ronald Conco's Blog:
RabbitMQ and PHP Part 2 - Durable Queues and Persistent Messages
March 22, 2012 @ 13:39:56

Mfana Ronald Conco has posted the second part of his RabbitMQ and PHP series to his blog today. This time he looks at durable queues and persistent messages

You now have a queuing system that works and generates pdfs which are sent to users as per RabbitMQ and PHP Part 1 of this article. A week later after launching the queuing system you get one or two queries from users who claim to have made a request to get the pdf report but it never arrived. Okay, what could have happened ? well you go through the application log files and as suspected - An Exception was thrown by one your classes as the consumer was trying to create the pdf and that is why it was never sent. Now this compromises the queuing system Totally, But wait there is a way to help prevent such.

He shows how to make your queues "durable", meaning they'll survive a broker restart and they require a response from the consumer before being removed. He shows how (via the php-ampq functionality) to add the "AMPQ_DURABLE" flag to the queue definition. He also includes some code showing how to send back the acknowledgement so the entry can be removed from the queue. He also includes an update to the code that calls "publish" to make the messages persistent too.

0 comments voice your opinion now!
rabbitmq tutorial extension phpampq durable queue persistent message


blog comments powered by Disqus

Similar Posts

PHPit.net: An Introduction to the Winbinder Library (Part 1)

PHPToys.com: Creating a file based AD rotator script

PHPBuilder.com: Ajax and PHP: The Simple Way

Andy Bakun's Blog: Race Conditions with Ajax and PHP Sessions

DevShed: Accessing Attributes and Cloning Nodes with the DOM XML Extension in PHP 5


Community Events











Don't see your event here?
Let us know!


hack security application symfony2 performance database install unittest opinion facebook composer framework package introduction hhvm podcast overview release component language

All content copyright, 2014 PHPDeveloper.org :: info@phpdeveloper.org - Powered by the Solar PHP Framework