SAS(R) 9.2 Intelligence Platform: Web Application Administration Guide, Second Edition

Product	Release
SAS BI Server	4.2
SAS Web Report Studio	4.2_M2
SAS Web OLAP Viewer for Java	4.2_M2
SAS Enterprise BI Server	4.2
SAS BI Dashboard	4.2_M2
SAS Information Delivery Portal	4.2_M2

Interacting with the Server Tier

Client-Side Pooling and Server-Side Pooling Options

A collection of reusable workspace server and stored process server processes is referred to as a pool. By reusing server processes, pooling avoids the cost that is associated with creating a new process for each connection. If your client application uses frequent, short-duration connections to SAS, pooling might greatly improve your server performance.

SAS supports the following types of pooling:

server-side pooling	is the process by which the SAS Object Spawner maintains a collection of workspace servers that are available for clients. The usage of servers in this pool is governed by the authorization rules that are set on the servers in the SAS metadata.
client-side pooling	is the process by which the client application maintains a collection of reusable workspace server processes.

For a comparison of client-side pooling and server-side pooling, see Choices in Workspace Server Pooling in the SAS Intelligence Platform: Security Administration Guide.

For more detailed information about pooling, see Understanding Server Pooling in the SAS Intelligence Platform: Application Server Administration Guide.

For instructions on configuring client-side pooling properties, see Configuring Client-Side Pooling in the SAS Intelligence Platform: Application Server Administration Guide.

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