OCA Oracle Solaris 11 System Administration Exam Guide (Exam 1Z0-821)

Capping Memory

Take a look at the resource controls that refer to memory:

Each of these controls constrains a specific attribute for memory (locked, shared, used by cryptographic operations) that be may be included in a process’s overall allocation. None of them can limit the total memory that is visible to a process. A memory cap does that work; by definition, it has to operate as a supervisory control. That is, when the process’s total memory allocation is taken into account, a supervisory control asks whether this amount, regardless of how it is specified or put to use, falls within bounds established by the administrator. To better understand ...