About Tuning the Operating System

There are a number of configuration changes and variables that you can set to tune the SAS 9.4 middle tier for your performance and scalability needs. The following sections show how to configure the settings that are relevant to the SAS 9.4 middle tier and SAS Web Application Server.
Note: For UNIX and Linux operating environments, you must confirm that the ulimit resource limit for open file descriptors is set to at least 20480.