Setting the Resident Set Size Cap

Define a physical memory resource resident set size (RSS) cap for a project by adding an rcap.max-rss attribute to the project database entry.

How to Add an rcap.max-rss Attribute for a Project

1. Become root or assume an equivalent role.
2. Add this attribute to the /etc/project file:

   rcap.max-rss=value

Example 11-1 RSS Project Cap

The following line in the /etc/project file sets an RSS cap of 10 gigabytes for a project named db.

db:100::db,root::rcap.max-rss=10737418240

Note that the system might round the specified cap value to a page size.

How to Use the projmod Command to Add an rcap.max-rss Attribute for a Project

1. Become root or assume an equivalent role.
2. Set an rcap.max-rss attribute of 10 gigabytes in the /etc/project file, in this case for a project named db.

   # projmod -a -K rcap.max-rss=10GB db

   The /etc/project file then contains the line:

   db:100::db,root::rcap.max-rss=10737418240