WebSphere eXtreme Scale Best Practices for Operation and Management

© Copyright IBM Corp. 2011. All rights reserved. xi

Preface

This IBM® Redbooks® publication contains a summary of the leading practices for

implementing and managing a WebSphere® eXtreme Scale installation. The information in

this book is a result of years of experience that IBM has had in with production WebSphere

eXtreme Scale implementations. The input was received from specialists, architects, and

other practitioners who have participated in engagements around the world.

The book provides a brief introduction to WebSphere eXtreme Scale and an overview of the

architecture. It then provides advice about topology design, capacity planning and tuning, grid

configuration, ObjectGrid and backing map plug-ins, application performance tips, and

operations and monitoring.

This book is written for a WebSphere eXtreme Scale-knowledgeable audience.

The team who wrote this book

This book was produced by a team of specialists from around the world working at the

International Technical Support Organization, Raleigh Center.

Ying Ding is an IT veteran with 18 years of industry experience. He has worked for Bank of

America as a senior technology manager. His team there supported large WebSphere

systems on many platforms from mainframe to mid-range servers. Now, Ding works for a

large international retailer as a middleware engineering manager focusing on WebSphere

technologies. Ding has worked for BSG Consulting, taught computer science at Houston

Community College, and was with IBM IGS as a consultant to major IBM energy and utilities

clients throughout the Houston area. An IBM Certified WebSphere System Expert and IBM

Certified E-Business Technologist, he holds a masters degree in Computer Science. He leads

the Charlotte, N.C. WebSphere User Group. Ying Ding is a prolific author on WebSphere

engineering, large system stability, and the IT engineering process.

Bertrand Fayn is an IT Consultant working in France for ISSW. He has five years of

experience in WebSphere Application Server Network Deployment (ND). His areas of

expertise include development, administration, problem determination, and performance

tuning of WebSphere Application Server. He started to work on various WebSphere eXtreme

Scale projects three years go. He holds a degree in Physics and Chemistry from the

University of Lannion.

Art Jolin is a software architect, developer, consultant, and instructor with over 34 years

experience in the field. Art has extensive experience in OO architecture, design, and

development in Java, C++, and Smalltalk and has been a team lead for major projects both

within IBM and as a consultant. Art also has extensive experience with the WebSphere

extended family of products, especially WebSphere Application Server, WebSphere eXtreme

Scale, and Rational Application Developer. Art currently works as an IBM Certified IT

Specialist consultant for ISS Federal, IBM, and has consulted on WebSphere eXtreme Scale

almost exclusively since January 2008.

Hendrik Van Run is an IBM Certified Consulting IT Specialist within the Software Services

for WebSphere team in Hursley, UK. He holds a Masters degree in Physics from Utrecht

University in the Netherlands. Hendrik advised many of the IBM enterprise clients on issues,

such as high availability, performance, and queuing problems across the WebSphere