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Foglight for Java EE Technologies 5.9.13 - Administration and Configuration Guide

Adjusting the Agent Manager settings for the Nexus

The Foglight for Application Servers Agent Manager accumulates messages that are destined to be sent either upstream or downstream in queues between connections. This prevents messages from getting lost in the event of a disconnection.

Increase the Agent Manager disk cache size to ensure that data submissions from the Java EE agent or the .NET agent are not discarded. See the documentation in the fglam.config.xml file for detailed descriptions of the options.

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Navigate to your Agent Manager config folder. For example: C:\Quest_Software\Foglight_Agent_Manager\state\default\config.
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Open the vm.config file in an editor.
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Save and close the .config file.
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In the same config directory, open the fglam.config.xml file in an editor.
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Edit the config:queue-sizes and max-disk-space settings as follows:
This sets the max-disk-cache size to 100MB for the upstream and upstream-verified queues (normal and verified submissions).
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Save and close the fglam.config.xml file.
Invoke the Stop() operation, and then invoke the start() operation.

If you still find warnings in the Agent Manager log about the disk cache being too small, increase the max-disk-space values for the upstream and upstream-verified queues.

Creating Nexuses

Foglight creates a default Nexus when you install either Foglight for Java EE Technologies or Foglight for Microsoft .NET. You can create additional Nexuses at any time after the installation is complete.

Ensure that you have read and followed the instructions in Adjusting the Agent Manager settings for the Nexus before creating additional Nexuses.

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On the navigation panel, under Dashboards, click Application Servers > Administration.
Click Next.
If you want the Nexus to listen on a specific network interface, select Listen on the following network interface, and type the IP address or host name in the box below.
c
Click Next.
Click Next.
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Type a name for your new Nexus in the box. By default, this name is Nexus@<host>, where <host> is the Agent Manager host you selected.
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Click Finish.
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Click Close to close the progress box.

 

Managing Nexus Recording Settings

The Nexus recording settings are contained in the recording.config file. This file contains all the configuration information for the Nexus, such as the request sampling rules and the collection details.

In earlier versions of Foglight for Java EE Technologies, these settings were edited through the Agent Properties page. To simplify the Nexus configuration process, these settings have been surfaced through a new GUI editor that is accessible from the Nexus Administration page.

Editing the Nexus recording settings

You can edit the Nexus to create request sampling rules, modify collection details, and control other recording-related settings.

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On the navigation panel, under Dashboards, click Application Servers > Administration.
On the Agents tab, click the name of the Nexus that is using the configuration you want to edit. Click Edit recording settings to edit the settings through the configuration editor.
On the Recording Settings tab, click the name of the configuration you want to edit. Click Edit to edit the settings.

For more information about the settings available on each of the tabs in this editor, see the following topics:

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