Find Aggregate CPU Utilization Breakdown for All App Services within App Service Plan

Question

Find Aggregate CPU Utilization Breakdown for All App Services within App Service Plan

Mike-E-angelo 591

I am using Azure Monitoring to see a CPU utilization reading such as the following for my Azure AppService Plan:

User's image

I have 14 AppServices that are on this App Service Plan. I see the spikes but do not know which of the 14 applications (or a combination thereof) is causing them.

How do I configure this graph so that it breaks down the CPU by the 14 applications installed on my AppService Plan?

2 answers

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Answer 1

Grmacjon-MSFT 19,151 Moderator

Hi @Mike-E-angelo @Mike-E-angelo

Have you tried enabling application insights for your apps? Application Insights is an extension of Azure Monitor and provides application performance monitoring (APM) features. APM tools are useful to monitor applications from development, through test, and into production in the following ways:

To break down the CPU utilization by the 14 applications installed on your App Service Plan, you can use Application Insights It can be used to monitor the performance of your web applications, including CPU utilization.

Here are the steps to configure Application Insights to break down the CPU utilization by the 14 applications installed on your App Service Plan:

Create an Application Insights resource: In the Azure Portal, create a new Application Insights resource and link it to your App Service Plan.
Enable Application Insights : In the Azure Portal, go to each of your 14 web applications and enable Application Insights. This will allow Application Insights to collect performance data for each of your web applications.
Configure the CPU utilization chart: In the Application Insights resource, go to the Metrics Explorer and select the CPU utilization metric. Then, add a split by dimension for the "Cloud_RoleInstance" property. This will break down the CPU utilization by each of your web applications.
Analyze the data: Once you have configured the chart, you can analyze the data to identify which of your web applications are causing the CPU spikes.

Hope that helps.

Grace

Mike-E-angelo 591 Reputation points

2023-08-10T09:38:37.79+00:00

Thank you very much for your valuable answer @Grmacjon-MSFT . It did seem promising and I had already installed Application Insights on all 14 (or 7 per environment for 2 environments -- production + staging) applications. However, when I do follow your directions the split is there but I do not see any breakdown per application:
Mike-E-angelo 591 Reputation points

2023-08-11T11:38:29.28+00:00

Hi @Grmacjon-MSFT I found what I am looking for, but it is not in the App Service Plan. Rather, it is found when I (very unintuitively) view problems with an App Service:

Why is the CPU drill-down not on the App Service Plan? This seems completely backward. Additionally, the section is labeled "Per Instance Memory Usage" (red arrow) and this seems like a bug. Buggy, slow, unintuitive. This is basically Azure Portal to me.
Grmacjon-MSFT 19,151 Reputation points Moderator

2023-08-23T05:17:05.2033333+00:00

Hi Mike-E-angelo , thanks for your patience. Glad to hear you found the right metric you were looking for.

We noticed your recent experience on the Q&A community platform was rated low (indicating Answer provided was not helpful).

Thank you for taking the time to provide us with feedback. We would like to learn how we could have improved your experience and made it more positive. Your feedback is incredibly valuable to us, and we appreciate your input.

We shared your feedback and App Service Plan portal experience with the App Service team internally. They acknowledge that the portal experience for scenario has room for improvement. The team is investigating ways to improve the portal experience and make certain metrics for ASP much easier to find.

If you have additional feedback do let us know.

Best,

-Grace
Mike-E-angelo 591 Reputation points

2023-08-23T08:48:32.5+00:00

Thank you for your reply . If I had a nickel for every time Azure Portal/teams have actually implemented any of the feedback that I have reported over the past ~12 years of using it, I would not have one single nickel. The feedback system for Azure/Portal is incredibly poor and your own portal reflects this by its own metrics:

This is from over 2700 reported issues. Quite embarrassing when you think about it.

Is anyone actually showing up to work there in the Portal group?

There seems to be a lot of "yeah, we'll get to it" but not a lot of actually getting to it:

[https://learn.microsoft.com/en-us/answers/questions/1282264/((code-deploymentfailed-target-deploymentsat-least?page=1&orderby=Helpful&comment=answer-1257176#newest-answer-comment](https://learn.microsoft.com/en-us/answers/questions/1282264/((code-deploymentfailed-target-deploymentsat-least?page=1&orderby=Helpful&comment=answer-1257176#newest-answer-comment)
Grmacjon-MSFT 19,151 Reputation points Moderator

2023-09-07T03:23:27.79+00:00

I understand your frustration and yes there are people working on the Azure portal. We have shared your specific feedback with the App Service team and will share any updates on this matter when we hear back from them.

-Grace

Answer 2

Mike-E-angelo 591

Azure Portal be broken, slow+difficult+confusing to use, and terribly supported.

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Find Aggregate CPU Utilization Breakdown for All App Services within App Service Plan

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