WebSphere Extended Deployment, Version 6.0.x
             Operating Systems: AIX, HP-UX, Linux, Solaris, Windows, z/OS


Mixing application types

If your application set has relatively short requests, installing several similar applications on the cluster can provide reasonable throughput. However, the use of CPU-intensive requests require special considerations.

One approach is to have a partitioned Java 2 Platform Enterprise Edition (J2EE) application for computationally intensive applications in a unique cluster within the cell, with exclusive access to specialized hardware. Alternatively, if you need to mix a lighter application set with a more computational-bound application set within the same cluster, the partitioning facility framework can prove helpful.

To managed the mix of application types, utilize the high availability (HA) manager policy function to focus CPU-intensive procedure calls to physical and logical nodes that are designed to handle that load. The client that uses the partitioning facility (WPF) framework can route the requests to the partitions that are collocated with computing resource designed to fit the task within the cluster. In addition, with WPF, the administrator can dynamically modify the target endpoint if additional computer resources can be acquired under heavy load situations.

In summary, you can achieve the same thing without partitioning by deploying the heavy logic J2EE application on its own cluster, then using the WebSphere Extended Deployment dynamic cluster support to dynamically expand and contract the cluster. See the WebSphere Extended Deployment Library page for more details.




Related concepts
General cluster and WPF management considerations
Concept topic    

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Last updated: Nov 30, 2007 4:03:08 PM EST
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