HP Process Resource Manager

HP Process Resource Manager (PRM) C.03.02.02 provides an efficient and flexible way to manage resource allocation at times of peak system load. It gives the system administrator the ability to group users or processes together and guarantee each group minimum amounts of the total CPU, real memory, and disk bandwidth available.

Summary of Change

What’s New for Customers Migrating from HP-UX 11i v1 September 2005?

Ability to manage shared memory
Integration with HP Integrity Virtual Machines
User-space memory manager prm0d was removed
Integration with HP System Management Homepage
Ability to map Unix groups to PRM groups
Ability to cap PRM group CPU consumption on a per-group basis
Support for Hyper-Threading in PSET PRM groups
PRM sets the Hyper-Threading state for the default PSET, where FSS PRM groups are created, to optimize workload performance.
Terminology change: Now use “core” in place of “CPU”
Extended regular expressions in alternate names for application records

What’s New for Customers Migrating from HP-UX 11i v2 June 2006?

Integration with HP System Management Homepage
Ability to map Unix groups to PRM groups
Ability to cap PRM group CPU consumption on a per-group basis
Support for Hyper-Threading in PSET PRM groups
PRM sets the Hyper-Threading state for the default PSET, where FSS PRM groups are created, to optimize workload performance.
Terminology change: Now use “core” in place of “CPU”
Extended regular expressions in alternate names for application records

Impact

There are no impacts other than those previously listed.

Compatibility

There are no known compatibility issues.

Performance

PRM is designed to set resource allocations (CPU, memory, disk bandwidth) for applications. Misconfiguration can result in degradation.

Documentation

The prm(5) manpage provides an overview of PRM and points to all the other manpages.
See also the PRM Web site at http://www.hp.com/go/prm (the “Information library” provides white papers).
The following documents are available at http://docs.hp.com/hpux/ha/index.html#Process%20Resource%20Manager:
- HP Process Resource Manager User’s Guide
- HP PRM Version C.03.02.xx Release Notes for HP-UX 11i v1, HP-UX 11i v2, and HP-UX 11i v3

Obsolescence

Not applicable.