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Foglight for Oracle (Cartridge) 5.9.5.10 - User Guide

Installing and Configuring Agents Using Foglight for Oracle
Viewing the Databases Dashboard Assigning Instances to Users Selecting an Instance to Monitor Foglight for Oracle Overview Dashboard Overview view Advisories view SQL Performance Investigator (SQL PI) Oracle Activity Drilldown Pluggable Databases Drilldown Storage Drilldown Reviewing Configuration Settings Reviewing the Alert Log Reviewing Monitored Data Guard Environments Reviewing ASM Instances Reviewing Exadata-related Information
Administering Foglight for Oracle Reporting Reference Glossary

Reviewing SGA Settings at the RAC Level

In Whole Cluster view, use the Memory drilldown to carry out the following operations:

Use the SGA management section to review the current SGA settings for the entire RAC, using a row that contains the following indicators:

The SGA Utilization section contains a chart that displays SGA-related information in a breakdown format, which provides a representation of the size the following components occupy within the SGA memory:

Use the SGA Size section to review the breakdown of the SGA within the RAC, by means of the following components:

The SGA Pool Free Space section displays, both graphically using a chart and in a table format, the free space reserved for the following types of SGA pools for each of the RAC’s nodes:

Reviewing SGA Settings at the Instance Level

Use the SGA management section to review the current SGA settings for the entire RAC, by means of a row that contains the following indicators:

The SGA Utilization section contains a chart that displays the instance’s current SGA size in either of the following views:

Use the SGA Size section to review the breakdown of the SGA within the instance, by means of the following components:

The Free Space section displays, both graphically using a chart and in a table format, the free space reserved for the following types of SGA pools for each of the RAC’s nodes:

Reviewing the Initialization Parameters

The Initialization Parameters panel displays the entire list of initialization parameters, as defined by Oracle. These parameters define the characteristics of each Oracle instance when the instance is started.

Upon clicking anywhere on a row that displays a specific initialization parameter, a popup appears, listing the properties of the selected parameter:

Change History table — displays the entire history (time and dates) when the Foglight for Oracle agent detected the changes made to this parameter since the instance was created.

The Initialization Parameters table varies between instance mode and RAC mode. For details about the RAC mode view, see Reviewing the Initialization Parameters in RAC Mode .

In Instance mode, the table displays the following columns

Parameter

Parameter name.

PDB

In multitenant architectures, the name of the pluggable database.

PDB is Modifiable

Hidden by default. In multitenant architectures, displays the list of pluggable databases that have been modified.

Current Value

The parameter’s current value.

Default

Indicates whether the parameter’s current value is its default value, as defined by Oracle.

Dynamic

Indicates whether the initialization parameter is dynamic, that is, can be modified using the ALTER SESSION, ALTER SYSTEM, or ALTER SYSTEM DEFERRED commands while an instance is running.

Modified

Indicates whether the parameter’s value has been modified.

Deprecated

Indicates whether the parameter is deprecated, in which case specifying it in a parameter file will invoke a warning message when the instance starts.

Type

The parameter type, as defined by Oracle.

Description

The parameter description, taken from Oracle site.

PDB_modifiable

Indicates whether the pluggable database can be modified.

In RAC mode, the Initialization Parameters panel can be accessed by selecting either the Whole Cluster or a specific instance view.

In the Whole Cluster view, instance-specific initialization parameters are displayed with the icon to the left of the parameter name, and the names of the various instances are displayed in the Scope column.

The following columns in Initialization Parameters table differ in RAC mode.

Parameter

Parameter name. A icon to the left of the name indicates that the parameter applies differently to specific instances.

Scope

Indicates whether the parameter applies to the entire RAC or varies between specific instances.

Current Value

The parameter’s current value. This value can be either instance-specific or apply to the entire RAC.

Reviewing the Alert Log

The Alerts drilldown provides a view on the alert and error logs received for a selected Oracle agent during the specified time range.

This drilldown comprises the following panel:

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