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.