Become superuser, or assume a role that includes the Process Management profile.
The System Administrator role includes the Process Management profile. For information on how to create the role and assign the role to a user, see Managing RBAC (Task Map) in System Administration Guide: Security Services.
Add this attribute to the /etc/project file:
The following line in the /etc/project file sets an RSS cap of 10 Gbytes for a project named db.
Note that the system might round the specified cap value to a page size.