Open the Metrics tab of your App Runner service. It takes a few moments to see changes in our App Runner service.
The request count will have a peak. The number of active instances will increase as shown in the following screenshots.
Feel free to explore the metrics UI by clicking on the three dots next to a metric field and select “Enlarge” to view the metric in a larger window, or click “View in metrics” to explore the metrics in the Cloudwatch console.