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Foglight for JMX 5.9.8 - User Guide

Foglight for JMX System Requirements Installing Foglight for JMX Managing JMX Agents Managing MBean Server Models Monitoring and Investigating JMX Data

Review JMX Agent Properties

To review agent properties:
1
On the Application Servers Administration dashboard, in the Monitoring Agents table, click the name of the JMX agent for which you want to view properties.
2
In the menu that opens, click Properties. The Agent Properties dialog box opens.
3
Use this dialog box to verify the name, type, and version of the JMX agent, as well as the monitored host name, the server model the agent is using, and the Agent Manager that is hosting the agent.
4
Click Close to close the dialog box.

 

Managing MBean Server Models

An MBean Server Model is a collection of settings that can be applied to multiple JMX agents. It specifies the MBean types for which metrics and attributes are collected, along with MBean relationship information.

Configuring a JMX agent involves examining the discovered MBeans and specifying the information to be collected from those MBeans; this information is stored as an MBean Server Model.

In addition to specifying the MBean attributes to collect, an MBean Server Model also gives structure to the MBeans you monitor. MBeans have implicit relationships to other MBeans, and the server model can be configured to make these relationships explicit. Exposing the relationship structure has two advantages: it defines a relationship structure that allows you to easily navigate between related MBeans in the dashboard, and it allows you to define parent/child relationships, where the health of a child affects the health of a parent.

MBean Server Models can be shared across agents that are monitoring the same or similar MBean types. A model would typically be shared to centrally control monitoring in a clustered environment, or to monitor installations of the same application server type in the same manner.

 
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TIP: Best Practices: Create an MBean Server Model for agents monitoring similar topology objects, then modify the instances being monitored for each individual agent. For more information, see “Define Server Model Instance Overrides for a JMX Agent” on page 8..

You can create, view, and edit MBean server models on the JMX Administration dashboard.

Using the JMX Administration Dashboard

The JMX Administration dashboard allows you to create and manage JMX Server Models.

 
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NOTE: If you do not see the JMX Administration dashboard listed in the navigation panel, inform your Foglight System Administrator. Your Administrator can grant the JMX Administrator role to your user account. For more information about groups, roles, and users, refer to the Foglight Administration and Configuration Guide.

Use the JMX Administration dashboard to review which MBean server model agents are using, and to create, edit, import, or export server models.

To view the JMX Administration dashboard:
•
On the navigation panel, under Dashboards, click Application Servers> Administration > JMX.

Server Model Templates

Foglight for JMX includes five MBean server model templates that are available to you after you install the cartridge. The available server model templates are: JBoss, OracleAS, Tomcat, WebLogic, and WebSphere. You can use these server model templates as the starting point for a customized server model.

To create a customized server model based on a template:
1
On the navigation panel, under Dashboards, click Application Servers> Administration > JMX.
2
On the JMX view, click Create Server Model...
3
In the Create Server Model dialog box that opens, select the Copy a configuration check box.
4
The Select a server model list becomes active. Select the type of server you want to work with: JBoss, OracleAS, Tomcat, WebLogic, or WebSphere.
 
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TIP: If none of the server model templates suit your monitoring needs, you can create an MBean server model either from scratch.
5
Optional — Change the auto-generated ID, Name, Description, or Assigned Server Group.
6
Click Create.
7
In the progress dialog box that opens, click OK.
8
Click the name of the server model you just created and, in the list that opens, select Edit.
The Server Model Editor dashboard opens. Use this dashboard to refine the server model by adding root types or changing collected instances, attributes, or relationships. For more information, see Editing MBean Server Models.
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