How to Use Memcached

In this article, we will look at how to use Memcached on N0C for a given account.

If you are an advanced user and use a CMS that supports Memcached, please refer to the following articles:

Note: The glossary contains explanations on a wide range of subjects and can be consulted to clarify certain terms.

Prerequisites

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What is Memcached?

Memcached is a free, open-source, high-performance, distributed memory object caching system that is generic in nature, but designed to speed up dynamic web applications by alleviating the load on the database.

Roughly speaking, the principle is to use an in-memory database that quickly makes the elements stored in RAM available to website users. In more technical terms, it is an in-memory key-value store for small chunks of arbitrary data (strings, objects, etc.) resulting from database calls, API calls or page rendering.

Simple, powerful and designed for quick deployment, Memcached facilitates development and solves many of the problems facing large data caches. Its API is available for most common languages.

How to Activate Memcached

If it is justified to activate Memcached:

From the context menu account, choose Performance -> Memcached, to open the dialog box of the same name:

The Path shows the user the complete network socket. When queried, statistics are displayed.
Set the Status to ON (initially, it defaults to OFF):

A confirmation message is displayed and the possible actions are activated.

Actions

The various actions possible when the Memcached status is ON are described in the table below.

	Action	Signification
	Stop	To stop Memcached.
	Restart	To restart Memcached without stopping first.
	Delete Cache	To empty the cache.
	Start	To start Memcached after you have stopped it.