Book Image

Moodle 4 Administration - Fourth Edition

By : Alex Büchner
Book Image

Moodle 4 Administration - Fourth Edition

By: Alex Büchner

Overview of this book

This updated fourth edition of the classic Moodle Administration guide has been written from the ground up and covers all the new Moodle features in great breadth and depth. The topics have also been augmented with professional diagrams, illustrations, and checklists. The book starts by covering basic tasks such as how to set up and configure Moodle and perform day-to-day administration activities. You’ll then progress to more advanced topics that show you how to customize and extend Moodle, manage authentication and enrolments, and work with roles and capabilities. Next, you'll learn how to configure pedagogical and technical Moodle plugins and ensure your LMS complies with data protection regulations. Then, you will learn how to tighten Moodle’s security, improve its performance, and configure backup and restore procedures. Finally, you'll gain insights on how to compile custom reports, configure learning analytics, enable mobile learning, integrate Moodle via web services, and support different types of multi-tenancy. By the end of this book, you’ll be able to set up an efficient, fully fledged, and secure Moodle system.
Table of Contents (24 chapters)

Moodle Universal Cache (MUC)

Caching stores frequently accessed data in transient storage and expedites its access using a cached copy instead of prefetched (from disk) or recomputed (in memory) data.


Caching has proven to be one of the most efficient performance optimization techniques, and Moodle is no exception.

Moodle contains a powerful caching framework called MUC, which allows certain functions to take advantage of different configured caching services (

Understanding MUC

Before we look at how MUC works, let’s explore some basic concepts: cache types (modes), cache stores, and cache definitions. The following diagram shows all three concepts and how they work together in MUC:

Figure 15.6 – Moodle Universal Cache

Moodle has nearly 100 cache definitions—for example, fetching of language strings, config settings, or processed CSS. Cache definitions are mapped onto cache stores, which act...