There are three roles in a JReport Enterprise Server cluster. They are admin server, backup server, and slave server. The following is a diagram of the JReport Enterprise Server cluster infrastructure:

Each server has its own responsibility. You can set a server to perform a specific role in a JReport Enterprise Server cluster by configuring its properties. The following list shows all the tasks each server in the server cluster can complete.
|
Business tasks |
Administrative tasks |
||||||
|---|---|---|---|---|---|---|---|
| Run Report Sets | Submit Scheduled Tasks | Load-Balancing | Fail-over | Load-Balancing Administration | Security Administration | Resource Administration | |
| Admin Server |
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
| Backup Server |
Y
|
Y
|
Y
|
Y
|
-
|
-
|
-
|
| Slave Server |
Y
|
Y
|
Y
|
-
|
-
|
-
|
-
|