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System Administration Guide: Oracle Solaris Containers-Resource Management and Oracle Solaris Zones     Oracle Solaris Legacy Containers
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Document Information


Part I Resource Management

1.  Introduction to Solaris 10 Resource Management

2.  Projects and Tasks (Overview)

3.  Administering Projects and Tasks

4.  Extended Accounting (Overview)

5.  Administering Extended Accounting (Tasks)

6.  Resource Controls (Overview)

What's New in Resource Controls for Solaris 10?

Resource Controls Concepts

Resource Limits and Resource Controls

Interprocess Communication and Resource Controls

Resource Control Constraint Mechanisms

Project Attribute Mechanisms

Configuring Resource Controls and Attributes

Available Resource Controls

Zone-Wide Resource Controls

Units Support

Resource Control Values and Privilege Levels

Global and Local Actions on Resource Control Values

Global Actions on Resource Control Values

Local Actions on Resource Control Values

Resource Control Flags and Properties

Resource Control Enforcement

Global Monitoring of Resource Control Events

Applying Resource Controls

Temporarily Updating Resource Control Values on a Running System

Updating Logging Status

Updating Resource Controls

Commands Used With Resource Controls

7.  Administering Resource Controls (Tasks)

8.  Fair Share Scheduler (Overview)

9.  Administering the Fair Share Scheduler (Tasks)

10.  Physical Memory Control Using the Resource Capping Daemon (Overview)

11.  Administering the Resource Capping Daemon (Tasks)

12.  Resource Pools (Overview)

13.  Creating and Administering Resource Pools (Tasks)

14.  Resource Management Configuration Example

15.  Resource Control Functionality in the Solaris Management Console

Part II Zones

16.  Introduction to Solaris Zones

17.  Non-Global Zone Configuration (Overview)

18.  Planning and Configuring Non-Global Zones (Tasks)

19.  About Installing, Halting, Cloning, and Uninstalling Non-Global Zones (Overview)

20.  Installing, Booting, Halting, Uninstalling, and Cloning Non-Global Zones (Tasks)

21.  Non-Global Zone Login (Overview)

22.  Logging In to Non-Global Zones (Tasks)

23.  Moving and Migrating Non-Global Zones (Tasks)

24.  Oracle Solaris 10 9/10: Migrating a Physical Oracle Solaris System Into a Zone (Tasks)

25.  About Packages and Patches on an Oracle Solaris System With Zones Installed (Overview)

26.  Adding and Removing Packages and Patches on an Oracle Solaris System With Zones Installed (Tasks)

27.  Oracle Solaris Zones Administration (Overview)

28.  Oracle Solaris Zones Administration (Tasks)

29.  Upgrading an Oracle Solaris 10 System That Has Installed Non-Global Zones

30.  Troubleshooting Miscellaneous Oracle Solaris Zones Problems

Part III lx Branded Zones

31.  About Branded Zones and the Linux Branded Zone

32.  Planning the lx Branded Zone Configuration (Overview)

33.  Configuring the lx Branded Zone (Tasks)

34.  About Installing, Booting, Halting, Cloning, and Uninstalling lx Branded Zones (Overview)

35.  Installing, Booting, Halting, Uninstalling and Cloning lx Branded Zones (Tasks)

36.  Logging In to lx Branded Zones (Tasks)

37.  Moving and Migrating lx Branded Zones (Tasks)

38.  Administering and Running Applications in lx Branded Zones (Tasks)



Temporarily Updating Resource Control Values on a Running System

Values changed in the project database only become effective for new tasks that are started in a project. However, you can use the rctladm and prctl commands to update resource controls on a running system.

Updating Logging Status

The rctladm command affects the global logging state of each resource control on a system-wide basis. This command can be used to view the global state and to set up the level of syslog logging when controls are exceeded.

Updating Resource Controls

You can view and temporarily alter resource control values and actions on a per-process, per-task, or per-project basis by using the prctl command. A project, task, or process ID is given as input, and the command operates on the resource control at the level where the control is defined.

Any modifications to values and actions take effect immediately. However, these modifications apply to the current process, task, or project only. The changes are not recorded in the project database. If the system is restarted, the modifications are lost. Permanent changes to resource controls must be made in the project database.

All resource control settings that can be modified in the project database can also be modified with the prctl command. Both basic and privileged values can be added or be deleted. Their actions can also be modified. By default, the basic type is assumed for all set operations, but processes and users with superuser privileges can also modify privileged resource controls. System resource controls cannot be altered.