The forms load balancing is implemented based on number of processes running on a load balancer client machine. Load balancing only checks
number of processes but not take actual resources consumed by these process.
The process that is counted is the process name that is specified when starting metric client. Process name On Unix f60webmx and on NT ifweb60.
If left blank then would count all processes running on the client machine.
Currently Forms load balancing is done through proprietary programs called Metric Server and Metric Clients. The Metric clients are setup on machines with a corresponding Forms server and they constantly report to a Metric Server their load situation. The Metric Server then uses this information to decide which machine to pass a request to run a web form. Note 148516.1 Load Balancing in 11i Note 148155.1 Load balancing implementation and trouble shooting in 11.5.x using metric server are good sources for more info.
How is Forms load balancing accomplished with Forms listener servlet?
Forms servlet is now available for use with eBusiness Suite. Load balancing is enabled using the capability of the HTTP server (Oracle HTTP powered by Apache.) Reference: Note 201340.1 Using Forms Listener Servlet with Oracle Applications 11i