Search before asking

• I had searched in the issues and found no similar feature requirement.

Description

• Currently DS has embedded metrics in master, worker and alert server, we need to add some metrics for api server as well.

Use case

• Already described above.

Related issues

related: #9324

Are you willing to submit a PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct