azureazure-web-app-serviceazure-app-service-plans
What happened to metrics per instance on Azure Web App
Azure webapps had a metrics per instance option in the monitoring group which today have disappeared. This allowed to look at the memory and cpu usage of a specific app within an app service.
Solution
According to this article, the troubleshooting tools(include Metrics per Instance (Apps)) has now moved into Diagnose and Solve problems.
You could find them in Diagnose and Solve problems as below:
