Digg Defender: A Plugin For Wordpress
http://elliottback.com.nyud.net:8080/wp/archives/2006/04/21/digg-defender-a-plugin-for-wordpress/
Then we just redirect to a Coral Cache version of our page. This way, when your Wordpress blog gets hit by a DDOS from the popular linksites, it can respond quickly and fluidly without having to load all of your plugins, Wordpress, or even make a single mySQL database call. This will optimize the performance significantly. There’s going to be a problem if something else–say WP-Cache is installed after us, and steals our symlink, but I’ll just have Digg Defender repeat the initialization steps on every activation. The second part will be a post_content filter that rewrites all external references in the post, such as js or images, to use Coral Cache links–but only for the Coral Cache robots. This way, Coral Cache will cache a copy of the html of a page which has been injected with Coral Cache links everywhere else. Not a single Digg user request will ever touch your website, because Coral Cache will act as a continuous buffer. Features * Prevents high-traffic sites from overloading your site * Integrates Coral Cache with Wordpress * Runs before WP loads * Compatible with WP-Cache * Extremely fast (benchmarks coming soon!)
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