How to check number of requests in azure front door?

Question

Hi Team,

For our web application we are using the azure front door as load balancer and CDN service.

In backend pool Azure Function app configured which is serving backend.

and Azure App Service configured which is serving frontend.

We want to know how much request our application is getting in a minute.

So that we can limit the request with custom rules.

Currently I am looking into Azure front door metrics > request count. Is this approach correct.

Please let me know how I can find the number of requests for web application

Answer 1

https://learn.microsoft.com/en-us/azure/frontdoor/front-door-diagnostics

as you can see

Azure Front Door provides metrics which are sent in 60-second intervals to Azure Monitor. The metrics can take up to 3 minutes to be processed by Azure Monitor and may not appear until processing is completed​

but

https://learn.microsoft.com/en-us/azure/azure-monitor/essentials/data-platform-metrics

You can use Metrics Explorer in Azure Monitor to interactively analyze the data in your metric database, including the number of requests over time​

for further and real time monitoring

Azure Front Door is integrated with Azure Monitor, allowing you to use metrics in real time to measure traffic to your application, track, troubleshoot, and debug issues, and also configure alerts for each metric such as thresholds for error rates​

https://learn.microsoft.com/en-us/azure/frontdoor/standard-premium/how-to-monitor-metrics#:~:text=Next%20steps%20Azure%20Front%20Door,threshold%20for%204XXErrorRate%20or%205XXErrorRate