Review the UNIX kernel parameter settings. If upgrading from a recent version of Ingres, you may not have to change kernel parameters.

A 100 MB shared memory segment will accommodate most installations. Each platform modifies the shared memory limits in its own way, so read the platform-specific information in the Readme file. You may need to involve the system administrator.

It is a sensible practice to configure the new development installation in a similar way to the production installation.