Chapter 7. Clustering


In eXo Platform 4, Cluster mode is temporarily not available for Tomcat. The whole content of this chapter is for JBoss only. eXo is trying best to support Cluster mode for Tomcat soon.

Cluster mode is the solution for high performance system. It offers Load Balancing and High Availability features.

A Platform cluster is a set of nodes that communicate via JGroups - UDP or TCP - in the back-end, and a front-end Load Balancer like Apache mod_jk that distributes HTTP requests to the nodes. The High Availability is achieved in the data layer natively by the RDBMS or Shared File Systems, such as SAN and NAS.

In this chapter:

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