Profiling an application with Yii

If all of the best practices for deploying a Yii application are applied and you still do not have the performance you want, then most probably there are some bottlenecks with the application itself. The main principle while dealing with these bottlenecks is that you should never assume anything and always test and profile the code before trying to optimize it.

In this recipe, we will try to find bottlenecks in the Yii blog demo application.

Getting ready

1. Download the latest Yii 1.1.x version from the following URL:

   http://www.yiiframework.com/download/

2. Unpack demos/blog in your webroot and framework directories one level above it:

   framework
   www
       …
       index.php
       …

3. In index.php, correct the path to yii.php. It should be as follows:

   $yii=dirname(__FILE__).'/../framework/yii.php';

4. In protected/yiic.php, correct the path to yiic.php. It should be:

   $yiic=dirname(__FILE__).'/../../framework/yiic.php';

5. Change protected/config/console.php to the following:

   return array...