The only book to address using cache to enhance and speed up Web application development * Developers use Apache, MySQL, memcached, and Perl to build dynamic Web sites that store information within the MySQL database; this is the only book to address using these technologies together to alleviate the database load in Web development* Covers each of the four systems and shows how to install, set up, and administer them; then shows the reader how to put the parts together to start building applications* Explains the benefits of a base perl library for code re-use, and provides sample applications that demonstrate in a practical way the information covered in the previous chapters* Examines monitoring, performance, and security, with a problem-solving chapter that walks the reader through solving real-world issues