JReport Server Cluster

A JReport Server Cluster is a distributed cluster in which a group of servers work together to provide cluster-wide shared resources, security, schedules and version services that manage multiple versions of resources. In a JReport Server Cluster, all clustered servers play exactly the same role. New servers can be added to the existing cluster or removed from the cluster at any time. Dynamic load balancing ensures that all servers in the cluster are utilized efficiently and JReport Server Monitor allows administrators to manage utilization for the entire cluster and add and remove resources as needed. Notifications can be set up to ensure administrators are contacted if any servers encounter problems.

The JReport Server Cluster provides the following major benefits:

Manageability: All users and resources can be controlled from a clustered server, remotely.
High-Availability: When one server fails to perform, the tasks running on it will be re-allocated to other servers. If a server has already been fully utilized, the tasks sent to it will be allocated to the other servers.
Scalability: You can add or remove servers dynamically according to your needs.

There can be many clustered servers (nodes) that play the same role in a JReport Server Cluster. The following is a diagram of the JReport Server Cluster infrastructure:

JReport Server Cluster Infrastructure

Every clustered server in this distributed cluster has the same responsibility. You can set each clustered server in a JReport Server Cluster by configuring its properties. The following table shows all the tasks each clustered server in the server cluster can complete.

	Business tasks			Administrative tasks
	Run Reports	Submit Scheduled Tasks	Load-Balancing	Fail-over	Load-Balancing Administration	Security Administration	Resource Administration
Clustered Server	Y	Y	Y	Y	Y	Y	Y

This chapter shows you what features the JReport Server Cluster owns, how to set it up, how to manage it and so on in the following topics:

JReport Server Cluster Main Features

Setting Up and Starting a JReport Server Cluster

Managing a JReport Server Cluster

Clustering JReport Server with Oracle WebLogic Server 12c (12.1.3)

Dispatching RMI Server Pages Requests in Multiple Server Environment

Note: A JReport Server Cluster license is required in order to use this feature. If you do not have the license, contact your Jinfonet Software account manager to obtain it.

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