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Queuing and clustering considerations

Cloning application servers to create a cluster can be a valuable asset in configuring highly scalable production environments, especially when the application is experiencing bottlenecks that are preventing full CPU utilization of symmetric multiprocessing (SMP) servers.

When adjusting the WebSphere® Application Server system queues in clustered configurations, remember that when a server is added to a cluster, the server downstream receives twice the load.

Graphical representation of clustering and queuing

Two servlet engines are located between a web server and a data source. It is assumed that the web server, servlet engines and data source, but not the database, are all running on a single SMP server. Given these constraints, the following queue considerations must be made:
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Last updated: April 20, 2014 09:36 PM CDT
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