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Chapter 5. Installation environment options
With Red Hat Process Automation Manager, you can set up a development environment to develop process-driven applications, a runtime environment to run those applications to support decisions, or both.
A development environment typically consists of one Business Central installation and at least one Process Server installation. Business Central enables developers to create decision processes, rules, and other artifacts. They use Process Server to test the artifacts that they created.
A runtime environment consists of one or more Process Server instances with or without Business Central. Business Central enables you to manage the containers deployed on the Process Servers. If Business Central is not installed, you can use the headless Process Automation Manager controller instead. Applications can interact with the Process Server through the REST or JMS API, or the Process Server Java client API.
Clustered environments
By clustering two or more computers, you have the benefits of high availability, enhanced collaboration, and load balancing. High availability decreases the chance of a loss of data when a single computer fails because data on all of the computers (nodes) of the cluster is replicated on each node of the cluster. When a computer fails, another computer fills the gap by providing a copy of the data that was on the failed computer. When the failed computer comes online again, it resumes its place in the cluster. Load balancing shares the computing load across the nodes of the cluster. Doing this improves the overall performance.
You can cluster both development and runtime environments. The primary benefit of clustering Red Hat Process Automation Manager development environments is high availability and enhanced collaboration. The primary benefit of clustering a runtime environment is load balancing and high availability. If activity on one node of the cluster increases, that activity can be shared among the other nodes of the cluster to improve performance.
Clustering is supported on Red Hat JBoss EAP 7.1. Clustering on OpenShift is currently in technology preview.
