Rainer Dzierzon is team lead of the WebSphere Portal performance team located in the IBM Development Laboratory in Boeblingen, Germany. Since 1990, he has worked on numerous software projects for several companies in the area of database performance tools, text search, SyncML, online banking, and financial services architecture and standards. He and his team work as part of the WebSphere Portal development community to provide developers with the necessary insights of performance behaviour, and to consult customers and solve their performance issues. He holds a diploma in Computer Engineering from the University of Cooperative Education, Stuttgart.
Large session objects decrease the JVM memory available for creating and executing application objects. As a result, performance can degrade as the decreased available heap memory leads to more frequent garbage collection.
This article provides general guidance for creating well performing custom code for IBM WebSphere Portal. Custom code does not only refer to portlets (although they are the most common programming model for portals), but also includes code for WebSphere Portal themes and skins. Since t...
Nov. 22, 2005 10:15 AM Reads: 10,920
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Large session objects decrease the JVM memory available for creating and executing application objects. As a result, performance can degrade as the decreased available heap memory leads to more frequent garbage collection.
This article provides general guidance for creating well performing custom code for IBM WebSphere Portal. Custom code does not only refer to portlets (although they are the most common programming model for portals), but also includes code for WebSphere Portal themes and skins. Since t...
