Best Practices for Configuring Your Middle Tier

Tuning the Web Application Server

In addition to specifying Java Virtual Machine options, you can improve the performance of SAS Web applications by configuring other aspects of your Web application server's behavior. For example, two obvious ways to improve the performance of any Web application are:

to limit the frequency with which servers check for updated JavaServer Pages and servlets
to make sure that the server can create sufficient threads to service incoming requests

SAS provides a set of Java Virtual Machine option settings in the Instructions.html file that is generated by the SAS Deployment Wizard. Use those settings as a starting point for your tuning. In addition, SAS provides additional tuning information in "SAS 9.2 Web Applications: Tuning for Performance and Scalability" that is available with the Web application server documentation at

http://support.sas.com/resources/thirdpartysupport/v92.

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