The inbound connection pool can be tuned using the KeepAlive* and related settings in magnus.conf, including the following:
For more information about these parameters, see Chapter 2 of the Sun ONE Web Server 6.1 Performance Tuning, Sizing, and Scaling Guide at:
http://docs.sun.com/source/817-6249/index.html
Outbound connection pool settings cannot be configured in this release of the Proxy Server.