How to Use Memcached
Category: Web Applications
Memcached is a widely used caching system that helps speed up dynamic websites by caching data in memory, reducing the load on databases. Popular websites such as YouTube, Facebook, and Twitter rely on Memcached to manage their traffic efficiently. It is also supported by content management systems like WordPress, Joomla, and Drupal.
Step 1: Enable Memcached Extension
To use Memcached with PHP, first enable the Memcached extension. This can be done through your hosting control panel:
- Go to Advanced -> PHP Settings
- Select Edit php.ini and set
memcached = On
Make sure your hosting plan includes Memcached instances. If not, you can purchase additional instances from the Add/Upgrade Services section in your control panel. Each instance provides 16 MB of memory.
Step 2: Memcached Configuration
In many applications, you may need to provide a host and port to link the application with Memcached. On our system, Memcached operates via a socket, so use the following configuration:
- Hostname:
unix:///home/sys/memcached.sock
- Port:
0
An example of configuring Memcached in PHP:
$memcached->addServer('unix:///home/sys/memcached.sock', 0);
This setup should integrate Memcached into your site smoothly and improve performance by reducing load times.
Memcached Setup Example
(https://your-website.com/memcached-setup.png)
By enabling and configuring Memcached, you can greatly improve the speed and efficiency of your web applications, especially for high-traffic websites or complex content management systems like WordPress, Joomla, and Drupal.
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