Adding a cache layer to the popular LAMP stack is becoming the common solution to significantly reduce the load on back-end databases, and also allows for better web application performance. This new caching component is represented by another "m" in LAMMP, which stands for memcached - a high-performance, distributed memory object caching system that provides caching for web applications. The author walks you through the process of using Perl to develop web applications both in terms of the front-end display logic as well as the back-end data retrieval from MySQL and memcached. You also see how to configure the Apache web server to run these mod_perl applications.

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