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

Description

custom metrics, such as numRead/numWrite, etc. are only printed in the log, and are not written to the external system

Use case

support custom metrics write external system

Related issues

No response

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