The feature of WordPress website is that it relies heavily on database query. The more visitors visit the website, the slower and more stuck they feel. If you use the Siteground virtual host to run a foreign trade website, using Memcached will greatly improve the read-write performance of the WordPress database. In this tutorial, Weiss notes introduce Siteground virtual host Of Memcached How it works, how it is enabled, and how it flushes the cache.
How Memcached Works
The Memcached system stores data and objects in the server's memory to reduce the number of queries to the database. When accessing, the system will automatically call the memcached cached content from memory to return it to the visitor, which eliminates the need to call the database and API. When rendering a page, it does not need to wait for the database to return data to complete quickly. After the service is enabled, a Memcached process is generated for website content. The SuperCache plug-in of the Siteground virtual host provides the Memcached service, which can effectively speed up the opening of websites.
Enable Memcached for Siteground virtual host
Click Login Siteground Virtual Host Page , enter Site Tools>SuperCache tool>Memcached, and turn on the switch, as shown in the following figure.
Next, open the WordPress website at SG Optimizer plug-in Click to open memcached In this way, the memcached function is enabled on the website.
If you use a non WordPress program, use the IP address 127.0.0.1 after enabling the service, and the port will be automatically generated by the system.
Of course, the Siteground virtual host also provides the Memcached caching function for Joomla, Drupal, MediaWiki, Prestashop and other programs. Please go to Siteground Virtual Host Page Query.
How to refresh Memcached
Sometimes we make adjustments, settings, additions, deletions and other changes to the website, but the front page can't see the corresponding content, so we need to manually clear the Memcached cache. Just open the management background of the Siteground virtual host, click the Use Flush Cache button on the super cache page, and the system can automatically clean up.
The pictures in this article are from Siteground virtual host official website For more information, see Siteground Themes 。
