As the foundation of the IBM WebSphere software platform, WebSphere Application Server delivers the secure, scalable, resilient application infrastructure you need for SOA.
Consider multiple cells for redundancy and availability A multiple cell strategy within your WebSphere
Application Server environment enables you to address planned (and unplanned) maintenance while still providing 24x7 availability.
Tuning WebSphere Application Server V7 for performance This article uses the Apache DayTrader Peformance
Benchmark Sample application to show what you can tune and how to go about tuning it, depending on the major server components and resources.