EINZh7tWkAENuwK.png
This dashboard contains Timer metrics which are not enabled by default. The metric paths are the ones that App.Metrics use, for other metrics providers you need to change the queries.
See https://docs.datastax.com/en/developer/csharp-driver/3.12/features/metrics/#configuration for the OSS driver.
See https://docs.datastax.com/en/developer/csharp-driver-dse/2.9/features/metrics/#configuration for the DSE driver.