You can plan better for your installation if you understand how Actian Ingres locations are typically used by various Actian Ingres tasks.

An Actian Ingres instance can perform several different types of tasks: normal operations, database maintenance, checkpoint, recovery. Some of these may proceed concurrently. Each task requires access to some of the Actian Ingres locations.

For a simple instance using only the default locations, the following sections give an overview of which locations are used during which operations and the likely bandwidth requirements. In the diagrams, a thicker arrow indicates greater bandwidth requirement; a dotted arrow indicates the least bandwidth requirement.