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Moodle 3 Administration, Third Edition

You're reading from   Moodle 3 Administration, Third Edition An administrator's guide to configuring, securing, customizing, and extending Moodle

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Product type Paperback
Published in Feb 2016
Publisher
ISBN-13 9781783289714
Length 492 pages
Edition 3rd Edition
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Author (1):
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Alex Büchner Alex Büchner
Author Profile Icon Alex Büchner
Alex Büchner
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Table of Contents (19) Chapters Close

Preface 1. Moodle Installation FREE CHAPTER 2. The Moodle System 3. Courses, Users, and Roles 4. Course Management 5. User Management 6. Managing Permissions – Roles and Capabilities 7. Moodle Look and Feel 8. Moodle Plugins 9. Moodle Configuration 10. Moodle Logging and Reporting 11. Moodle Security and Privacy 12. Moodle Performance and Optimization 13. Backup and Restore 14. Moodle Admin Tools 15. Moodle Integration 16. Moodle Networking A. Configuration Settings Index

Moodle Universal Cache

Caching stores frequently access data in a temporary storage and expedite its access using a cached copy as opposed to refetched (from disk) or recomputed (in memory) data. This has proven to be one of the most efficient performance optimization techniques and Moodle is no exception.

Moodle contains a powerful caching framework called Moodle Universal Cache (MUC), which allows certain functions to take advantage of different configured caching services (https://docs.moodle.org/en/Caching). A typical example of a function that makes use of caching is string fetching, especially when multiple languages are supported.

The MUC background

Before we take a look at how MUC works, let's explore some basic concepts first, namely cache types (modes), cache stores, and cache definitions.

Cache types

There are three different cache types in Moodle, often referred to as cache modes:

  • Application cache: The application cache deals with operations that are Moodle-specific, for example...
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