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Oracle Solaris 11.1 Administration: Oracle Solaris Zones, Oracle Solaris 10 Zones, and Resource Management     Oracle Solaris 11.1 Information Library
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Document Information

Preface

Part I Oracle Solaris Resource Management

1.  Introduction to 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)

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)

Introduction to Resource Pools

Introduction to Dynamic Resource Pools

About Enabling and Disabling Resource Pools and Dynamic Resource Pools

Resource Pools Used in Zones

When to Use Pools

Resource Pools Framework

/etc/pooladm.conf Contents

Pools Properties

Implementing Pools on a System

project.pool Attribute

SPARC: Dynamic Reconfiguration Operations and Resource Pools

Creating Pools Configurations

Directly Manipulating the Dynamic Configuration

poold Overview

Managing Dynamic Resource Pools

Configuration Constraints and Objectives

Configuration Constraints

pset.min Property and pset.max Property Constraints

cpu.pinned Property Constraint

pool.importance Property Constraint

Configuration Objectives

wt-load Objective

The locality Objective

utilization Objective

Configuration Objectives Example

poold Properties

poold Functionality That Can Be Configured

poold Monitoring Interval

poold Logging Information

Configuration Information Logging

Monitoring Information Logging

Optimization Information Logging

Logging Location

Log Management With logadm

How Dynamic Resource Allocation Works

About Available Resources

Determining Available Resources

Identifying a Resource Shortage

Determining Resource Utilization

Identifying Control Violations

Determining Appropriate Remedial Action

Using poolstat to Monitor the Pools Facility and Resource Utilization

poolstat Output

Tuning poolstat Operation Intervals

Commands Used With the Resource Pools Facility

13.  Creating and Administering Resource Pools (Tasks)

14.  Resource Management Configuration Example

Part II Oracle Solaris Zones

15.  Introduction to Oracle Solaris Zones

16.  Non-Global Zone Configuration (Overview)

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

18.  About Installing, Shutting Down, Halting, Uninstalling, and Cloning Non-Global Zones (Overview)

19.  Installing, Booting, Shutting Down, Halting, Uninstalling, and Cloning Non-Global Zones (Tasks)

20.  Non-Global Zone Login (Overview)

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

22.  About Zone Migrations and the zonep2vchk Tool

23.  Migrating Oracle Solaris Systems and Migrating Non-Global Zones (Tasks)

24.  About Automatic Installation and Packages on an Oracle Solaris 11.1 System With Zones Installed

25.  Oracle Solaris Zones Administration (Overview)

26.  Administering Oracle Solaris Zones (Tasks)

27.  Configuring and Administering Immutable Zones

28.  Troubleshooting Miscellaneous Oracle Solaris Zones Problems

Part III Oracle Solaris 10 Zones

29.  Introduction to Oracle Solaris 10 Zones

30.  Assessing an Oracle Solaris 10 System and Creating an Archive

31.  (Optional) Migrating an Oracle Solaris 10 native Non-Global Zone Into an Oracle Solaris 10 Zone

32.  Configuring the solaris10 Branded Zone

33.  Installing the solaris10 Branded Zone

34.  Booting a Zone, Logging in, and Zone Migration

Glossary

Index

Using poolstat to Monitor the Pools Facility and Resource Utilization

The poolstat utility is used to monitor resource utilization when pools are enabled on your system. This utility iteratively examines all of the active pools on a system and reports statistics based on the selected output mode. The poolstat statistics enable you to determine which resource partitions are heavily utilized. You can analyze these statistics to make decisions about resource reallocation when the system is under pressure for resources.

The poolstat utility includes options that can be used to examine specific pools and report resource set-specific statistics.

If zones are implemented on your system and you use poolstat in a non-global zone, information about the resources associated with the zone's pool is displayed.

For more information about the poolstat utility, see the poolstat(1M) man page. For poolstat task and usage information, see Using poolstat to Report Statistics for Pool-Related Resources.

poolstat Output

In default output format, poolstat outputs a heading line and then displays a line for each pool. A pool line begins with the pool ID and the name of the pool, followed by a column of statistical data for the processor set attached to the pool. Resource sets attached to more than one pool are listed multiple times, once for each pool.

The column headings are as follows:

id

Pool ID.

pool

Pool name.

rid

Resource set ID.

rset

Resource set name.

type

Resource set type.

min

Minimum resource set size.

max

Maximum resource set size.

size

Current resource set size.

used

Measure of how much of the resource set is currently used.

This usage is calculated as the percentage of utilization of the resource set multiplied by the size of the resource set. If a resource set has been reconfigured during the last sampling interval, this value might be not reported. An unreported value appears as a hyphen (-).

load

Absolute representation of the load that is put on the resource set.

For more information about this property, see the libpool(3LIB) man page.

You can specify the following in poolstat output:

Tuning poolstat Operation Intervals

You can customize the operations performed by poolstat. You can set the sampling interval for the report and specify the number of times that statistics are repeated:

interval

Tune the intervals for the periodic operations performed by poolstat. All intervals are specified in seconds.

count

Specify the number of times that the statistics are repeated. By default, poolstat reports statistics only once.

If interval and count are not specified, statistics are reported once. If interval is specified and count is not specified, then statistics are reported indefinitely.