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When it comes to clustering in an application server, defining the vocabulary is the first thing that needs to be done. This new article does this and much more. It defines key concepts for GlassFish such as Domain Administration Server (DAS), Node Agents, server instances, discusses deployment topologies, and explains how the Shoal and JXTA technologies are used to set up the cluster and replicate data in-memory. It also provides instructions on how to get the GlassFish "Cluster" profile running. |
The second article explains how the application server can take advantage of the Zones technology built in Solaris 10 and OpenSolaris. It has a quick intro on what are Solaris zones and how they provide isolated environments for application instances. Propagation among zones can complicate installations and updates, so the article going into the details of installing and using the GlassFish application server in a global or a sparse zone. It also covers upgrading from previous versions of the software that may have come bundled with Solaris.
