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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

Preface

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)

7.  Administering Resource Controls (Tasks)

8.  Fair Share Scheduler (Overview)

Introduction to the Scheduler

CPU Share Definition

CPU Shares and Process State

CPU Share Versus Utilization

CPU Share Examples

Example 1: Two CPU-Bound Processes in Each Project

Example 2: No Competition Between Projects

Example 3: One Project Unable to Run

FSS Configuration

Projects and Users

CPU Shares Configuration

FSS and Processor Sets

FSS and Processor Sets Examples

Combining FSS With Other Scheduling Classes

Setting the Scheduling Class for the System

Scheduling Class on a System with Zones Installed

Commands Used With FSS

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)

Glossary

Index

CPU Share Definition

The term “share” is used to define a portion of the system's CPU resources that is allocated to a project. If you assign a greater number of CPU shares to a project, relative to other projects, the project receives more CPU resources from the fair share scheduler.

CPU shares are not equivalent to percentages of CPU resources. Shares are used to define the relative importance of workloads in relation to other workloads. When you assign CPU shares to a project, your primary concern is not the number of shares the project has. Knowing how many shares the project has in comparison with other projects is more important. You must also take into account how many of those other projects will be competing with it for CPU resources.


Note - Processes in projects with zero shares always run at the lowest system priority (0). These processes only run when projects with nonzero shares are not using CPU resources.