Tag: varnish

Setting up Varnish caching server for pd-admin with Apache and php-fcgi

Deploying Varnish caching server can significantly speed up web-based applications, as well as simple websites. Varnish supports different back-end systems, ranging from the popular Apache web server to the more efficient nginx. Especially when it comes to handling high traffic sites Varnish can bring a considerable uplift to the responsiveness by e.g. caching entire pages […]

Disable caching of API callbacks for Viveum Magento extension

Using a caching server like Varnish is mandatory for running Magento (efficiently). When using extensions that make use of callback API calls make sure that you exclude them from your caching rules. As we are using Viveum as payment gateway service for most eCommerce projects we generally deploy the official Viveum Magento extension. When using […]

Magento Error ESI processing not enabled

In a recent Magento setup with a Varnish caching server an undefined PHP variable in a template resulted in the error message “ESI processing not enabled“. Due to the undefined PHP variable the underlying Varnish caching server’s Edge-side includes (ESI) capabilities, allowing content assembly by HTTP surrogates through in-markup XML-based language failed. After a quick […]

Setup Varnish Cache Server for Magento 1.9 CE on Mac OSX

When dealing with high traffic Magento installations you definitely want to implement caching mechanisms to ensure proper response times for your visitors. Apart from internal caching and indexing functionality provided by Magento there exist a couple of (external) extensions that help you speed of content delivery by e.g. caching entire pages, such as PageCache for […]