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About the Pooled Process Manager (PPM)

The Pooled Process Manager (PPM) is the link between the Process Router on the Application Engine or web server and the VWJs process on the Process Engine. The PPM runs only on the Process Engine. In a multi-server configuration, the PPM must be running on each Process Engine.

The VWJs process handles incoming requests. The PPM attempts to balance the load of incoming requests between one or more VWJs processes. The PPM starts a VWJs process when it receives the first request. On subsequent requests, if the existing VWJs process is busy, the PPM starts another VWJs process, up to the specified limit.