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SAS/IntrNet 9.2: Application Dispatcher

Using the Load Manager

The Application Load Manager is a separate process that can be used to control distribution of client requests across multiple Application Servers. The Load Manager can run on any node that is visible to both the Application Brokers and Application Servers. The Load Manager keeps track of which Application Servers are busy. When a new request arrives, it is routed to an idle server. If no servers are idle, the request queues at the Load Manager and waits for the first available server. In the case of pool services, the Load Manager can start another Application Server when all servers are busy. It can also shut down unused servers after an idle timeout.

The Load Manager is not required for socket and launch services, but it is recommended for socket services that have more than one server. The Load Manager is required for pool services. See Using Services for more information about service types. The Load Manager requires only a few command line options to start and that a single directive be added to the Application Broker configuration file. For more information, see

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