Enable the .NET Profiler for Azure Service Fabric applications

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10/24/2024

Application Insights Profiler for .NET is included with Azure Diagnostics. You can install the Azure Diagnostics extension by using an Azure Resource Manager template (ARM template) for your Azure Service Fabric cluster. Get a template that installs Azure Diagnostics on a Service Fabric cluster.

In this guide, you learn how to:

Add the Application Insights Profiler for .NET property to your ARM template.
Deploy your Service Fabric cluster with the Application Insights Profiler for .NET instrumentation key.
Enable Application Insights on your Service Fabric application.
Redeploy your Service Fabric cluster to enable the .NET Profiler.

Prerequisites

The Profiler supports .NET Framework and .NET applications.
- Verify you're using .NET Framework 4.6.2 or later.
- Confirm that the deployed OS is Windows Server 2012 R2 or later.
An Azure Service Fabric managed cluster.

Create a deployment template

In your Service Fabric managed cluster, go to where you implemented the ARM template.
Locate the WadCfg tags in the Azure Diagnostics extension in the deployment template file.

Add the following SinksConfig section as a child element of WadCfg. Replace the ApplicationInsightsProfiler property value with your own Application Insights instrumentation key:

"settings": {
    "WadCfg": {
        "SinksConfig": {
            "Sink": [
                {
                    "name": "MyApplicationInsightsProfilerSinkVMSS",
                    "ApplicationInsightsProfiler": "YOUR_APPLICATION_INSIGHTS_INSTRUMENTATION_KEY"
                }
            ]
        },
    },
}

For information about how to add the Diagnostics extension to your deployment template, see Use monitoring and diagnostics with a Windows VM and Azure Resource Manager templates.

Deploy your Service Fabric cluster

After you update WadCfg with your instrumentation key, deploy your Service Fabric cluster.

Application Insights Profiler for .NET is installed and enabled when the Azure Diagnostics extension is installed.

Enable Application Insights on your Service Fabric application

For the .NET Profiler to collect profiles for your requests, your application must be tracking operations with Application Insights.

For stateless APIs: See the instructions for tracking requests for profiling.
For tracking custom operations in other kinds of apps: See Track custom operations with Application Insights .NET SDK.

After you enable Application Insights, redeploy your application.

Generate traffic and view the .NET Profiler traces

Launch an availability test to generate traffic to your application.
Wait 10 to 15 minutes for traces to be sent to the Application Insights instance.
View the Profiler traces via the Application Insights instance in the Azure portal.

Next steps

Generate load and view the .NET Profiler traces

Note

On March 31, 2025, support for instrumentation key ingestion will end. Instrumentation key ingestion will continue to work, but we'll no longer provide updates or support for the feature. Transition to connection strings to take advantage of new capabilities.

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