June 2012
Intermediate to advanced
638 pages
20h 46m
English
book
WebSphere Application Server V8.5 Concepts, Planning, and Design Guide
by Jan Bajerski, Davide Barillari, Libor Cada, Susan Hanson, Guo Liang Huang, Rispna Jain, Shishir Narain, Jennifer Ricciuti, Christian Steege
Content preview from WebSphere Application Server V8.5 Concepts, Planning, and Design Guide
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Chapter 2. Concepts of WebSphere Application Server 61
2.6.1 Vertical cluster
When cluster members are on the same system, the topology is known as vertical scaling or
vertical clustering. Figure 2-35 illustrates a simple example of a vertical cluster.
Figure 2-35 Vertical cluster
Vertical clusters offer failover support within one operating system image, provide processor
level failover, and increase resource utilization. For more information, see 8.3.4, “Vertical
scaling topology” on page 206.
2.6.2 Horizontal cluster
Horizontal scaling or horizontal clustering refers to cluster members that are spread across
different server systems and oper ...
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