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Thursday, November 26. 2009

PHP Caching on Windows: A managers perspective

Putt's law:
Technology is dominated by two types of people: those who understand what they do not manage, and those who manage what they do not understand. -- Archibald Putt


Recently Microsoft released its opcode caching solution for PHP on Windows. On techPortal we've published a benchmark. In this article, I want to look at things from a manager's perspective.

As PHP extends its reach further into corporate networks, IT managers have yet another technology that they have to understand so that they can properly deploy. In many situations, PHP code is being developed that - running on its own - creates a bad user experience because of the nature of the language. Because each PHP script has to integrate and compile all of the files with code in them before the results can be output, the more complex systems get, the longer it can take for scripts to respond to their client. Much of this delay, and the user unhappiness that always accompanies it, can be mitigated with the proper opcode caching solution.


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Posted by Cal Evans at 10:35 | Comments (0) | Trackbacks (0)
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Monday, April 7. 2008

ATK and Caching

In previous posts by my colleagues Martin and Lineke you could already read that caching is becoming important when you are going to build scalable web applications. For many projects we use ATK as our framework, but it didn't have a caching API. So in the core of our products we only use file caching because that's available on all systems. If you wanted to use an external cache, for example Zend Platform, this was mostly done in a custom module. This made sure we didn't get large if-constructions in the core products to check for availability of an external cache.

That was, until yesterday... because now there is a cache object (atkCache) available in the ATK SVN trunk. The new atkCache class is a factory class, which builds and returns instances of atkCache which has all the methods to communicate with an external cache to handle the actual storage and retrieval.
At this moment atkCache has support for the following caching backends:

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Posted by Sandy Pleyte at 16:41 | Comments (0) | Trackbacks (0)
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Wednesday, January 30. 2008

Different methods of caching

Because we encounter PHP more and more in the enterprise market, the performance demands of websites we build are becoming ever more challenging. The usefulness of caching is often underestimated by developers (myself included). When using a lightweight framework like Code Igniter it is easy to assume caching is not needed or not necessary; still there are websites where performance optimization is needed and it is important to think about the performance and caching strategy beforehand. When writing the technical specifications for a high performance website the developer needs to be able to make the best choice for optimization.

For optimizing the performance of a website there are several techniques.The choice of the framework or CMS is important and the performance demands are a factor when determining which framework or CMS will be used, but it doesn't stop there.


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Posted by Lineke Kerckhoffs-Willems at 14:00 | Comments (4) | Trackbacks (0)
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