Merge pull request #280653 from hhunter-ms/hh-280363

[Profiler] Add notes clarifying memory consumption

Author: v-regandowner

articles/azure-monitor/profiler/includes/profiler-overhead.md

@@ -0,0 +1,11 @@
+---
+ms.service: azure-monitor
+ms.subservice: profiler
+ms.topic: include
+ms.date: 07/11/2024
+---
+
+> [!NOTE]
+> When Profiler is actively running and collecting traces, it typically adds between 5% to 15% of CPU and memory overhead to your server. 
+>
+> There is **no additional cost** for storing data captured by Profiler. The data is automatically deleted after 15 days.

articles/azure-monitor/profiler/profiler-data.md

@@ -3,7 +3,7 @@ title: Generate load and view Application Insights Profiler data
 description: Generate load to your Azure service to view the Profiler data
 ms.contributor: charles.weininger
 ms.topic: conceptual
-ms.date: 09/22/2023
+ms.date: 07/11/2024
 ms.reviewer: charles.weininger
 ---
 

articles/azure-monitor/profiler/profiler-overview.md

@@ -3,7 +3,7 @@ title: Analyze application performance traces with Application Insights Profiler
 description: Identify the hot path in your web server code with a low-footprint profiler.
 ms.contributor: charles.weininger
 ms.topic: conceptual
-ms.date: 12/11/2023
+ms.date: 07/11/2024
 ms.reviewer: ryankahng
 ---
 
@@ -24,9 +24,11 @@ Enable the Profiler on all your Azure applications to gather data with the follo
 
 Each of these triggers can be [configured, enabled, or disabled](./profiler-settings.md#trigger-settings).
 
-## Overhead and sampling algorithm
+## Sampling rate and overhead 
 
-Profiler randomly runs two minutes per hour on each virtual machine hosting applications with Profiler enabled. When Profiler is running, it adds from 5 percent to 15 percent CPU overhead to the server.
+Profiler randomly runs two minutes per hour on each virtual machine hosting applications with Profiler enabled.
+
+[!INCLUDE [profiler-overhead](./includes/profiler-overhead.md)]
 
 ## Supported in Profiler
 

articles/azure-monitor/profiler/profiler-settings.md

@@ -3,7 +3,7 @@ title: Configure Application Insights Profiler | Microsoft Docs
 description: Use the Application Insights Profiler settings pane to see Profiler status and start profiling sessions
 ms.contributor: Charles.Weininger
 ms.topic: conceptual
-ms.date: 09/22/2023
+ms.date: 07/11/2024
 ---
 
 # Configure Application Insights Profiler
@@ -100,7 +100,7 @@ Memory % | Percentage of memory used while Profiler was running.
 
 ## Next steps
 
-[Enable Profiler and view traces](profiler-overview.md?toc=/azure/azure-monitor/toc.json)
+[Enable Profiler and view traces](profiler.md?toc=/azure/azure-monitor/toc.json)
 
 [profiler-on-demand]: ./media/profiler-settings/profiler-on-demand.png
 [performance-blade]: ./media/profiler-settings/performance-blade.png

articles/azure-monitor/profiler/profiler-troubleshooting.md

@@ -36,6 +36,12 @@ Profiler isn't currently supported on free or shared app service plans. Upgrade
 
 If the data you're trying to view is older than two weeks, try limiting your time filter and try again. Traces are deleted after seven days.
 
+## Are you aware of the Profiler sampling rate and overhead? 
+
+Profiler randomly runs two minutes per hour on each virtual machine hosting applications with Profiler enabled.
+
+[!INCLUDE [profiler-overhead](./includes/profiler-overhead.md)]
+
 ## Can you access the gateway?
 
 Check that a firewall or proxies aren't blocking your access to [this webpage](https://gateway.azureserviceprofiler.net).

articles/azure-monitor/profiler/profiler.md

@@ -8,7 +8,7 @@ ms.reviewer: ryankahng
 
 # Enable Profiler for Azure App Service apps
 
-Application Insights Profiler is preinstalled as part of the Azure App Service runtime. You can run Profiler on ASP.NET and ASP.NET Core apps running on App Service by using the Basic service tier or higher. Follow these steps, even if you included the Application Insights SDK in your application at build time.
+[Application Insights Profiler](./profiler-overview.md) is preinstalled as part of the Azure App Service runtime. You can run Profiler on ASP.NET and ASP.NET Core apps running on App Service by using the Basic service tier or higher. Follow these steps, even if you included the Application Insights SDK in your application at build time.
 
 To enable Profiler on Linux, walk through the [ASP.NET Core Azure Linux web apps instructions](profiler-aspnetcore-linux.md).