February 3, 2014 By Severalnines

Liferay is an open-source content management system written in Java. It is used by a number of high traffic sites, as this survey suggests. 

Clustering Liferay and other components such as the database and the file system is a good way to handle the performance requirements of a high traffic site. The latest Liferay version has introduced features that simplify clustering, such as built-in support for Ehcache clustering, Lucene replication, read/write splitting capabilities for database (in case if you run on master-slave architecture) and support for various file systems for the portal repository. 

In this post, we are going to show you how to cluster Liferay in a multi-node load-balanced setup. The database backend will be based on Galera Cluster for MySQL, and the file …