CHECK OUT! Useful resources

Source Category/description
IBM InfoCenter Comprehensive guide to all possible WAS standard settings
IBM InfoCenter Comprehensive guide to all possible WAS custom properties
IBM InfoCenter Extensive system tuning guide (TCP)
developerWorks Connection pool (Database) tuning guide
IBM InfoCenter Troubleshooting connection pooling (J2C) problems in WebSphere Application Server (java.sql.SQLExceptions, com.ibm.ws.rsadapter etc.)
developerWorksConfiguring federated repositories in WAS (LDAP etc.)
developerWorks Case study: Tuning WebSphere Application Server V7 and V8 for performance