Lloyd Hagemo @ WEBSPHERE JOURNAL

Lloyd Hagemo

Lloyd Hagemo is a senior director for Candle Corporations Application Infrastructure Management Group. He is responsible for WebSphere tools development. Lloyd has led the successful development of more than 20 products for the WebSphere environment, including operating system utilities, network performance and tuning products, WebSphere MQ configuration and management tools, and application integration solutions.

J2EE Application Performance Analysis

By Lloyd Hagemo; Ravi Kalidindi

How well does your application perform? It is probably one of the toughest questions to answer accurately. It is not only a question of how many requests your application serves per second or per minute, but also how your application scales with respect to other p...

Aug. 4, 2004 12:00 AM Reads: 14,891

Hunting Java Memory Leaks

By Lloyd Hagemo; Ravi Kalidindi

In a production environment, memory leaks can force organizations to add more memory and hardware resources. They can even cause an application to crash unexpectedly. In theory, Java memory leaks should not emerge as a development or production issue because the g...

May. 5, 2004 12:00 AM Reads: 30,158

Creating a Framework - J2EE pattern frameworks provide template for flexible and modular architecture

By Lloyd Hagemo

Many patterns have been published for J2EE applications. By developing and connecting multiple patterns, developers can create a framework that improves the stability, performance, and scalability of their J2EE application architectures.

Jan. 23, 2004 12:00 AM Reads: 20,428 Replies: 3

One Access Point to Rule Them All - Front Controller pattern simplifies integration challenges

By Lloyd Hagemo; Ravi Kalidindi

The concept of a central point of access to an application or set of applications is not new. For more than 30 years, companies have been writing, enhancing, and maintaining applications written to transactional systems such as CICS and IMS for IBM OS/390 mainframes.

Nov. 24, 2003 12:00 AM Reads: 15,198

Dealing with Large Database Result Sets

By Lloyd Hagemo

When designing J2EE (Java 2 Platform, Enterprise Edition) applications, developers often find themselves challenged to create a display for large database result sets. Improper treatment of the large result set display can lead to poor response time and, ultimat...

Sep. 24, 2003 12:00 AM Reads: 10,594

Using Design Patterns to Streamline Future Development

By Lloyd Hagemo

Developers researching best practices for optimizing Java 2 Enterprise Edition (J2EE) environments can often find only general, one-size-fits all suggestions for coding and tuning specific application components. Although broad best practices can provide a g...

Aug. 15, 2003 12:00 AM Reads: 9,539