Harvey Gunther

IBM WebSphere Application Server (WAS) 5.0 introduces EJB 2.0 support, which offers new and important opportunities for application architects, such as EJB 2.0 local interfaces; container-managed relationships for EJB-modeled associations; message-driven beans; EJB home methods; EJB-select methods; an internal EJB finder; and EJB-QL, a standard way of defining EJB select and EJB finders. All of these are part of the J2EE EJB 2.0 Specification. To improve the performance of container-managed persistence entity beans WAS 5.0 offers two new tuning levers that reduce database latency and can significantly improve application performance. Lifetime in Cache: Offers improved caching of EJB entity bean data. Read-Ahead: In container-managed relationships (CMR), use of this optio... (more)

Performance Best Practices for Using WAS Web Services

Web services performance comes of age in WebSphere Application Server (WAS) version 5.0.2, but just as with more traditional J2EE applications, the performance of Web services applications is largely determined by the design of the application and the database. This article considers the application design factors unique to Web services performance, including the most important: moving to... (more)

Best Practices for Using XSLT in WAS Applications - Use of XSL offers many strategic advantages

XSLT (eXtended Stylesheet Language Transformations) is a very powerful and flexible tool in the XML technology arsenal for transforming XML documents into HTML, plain text, or different XML representations. The use of XSLT in WebSphere Application Server (WAS) customer applications is burgeoning, despite the following problems: XSLT is difficult to learn and hard to master. XSLT is not an o... (more)