cdc-v1.1.1-20230612
* fix cdc residue metrics Signed-off-by: zeminzhou <[email protected]> * fix comments Signed-off-by: zeminzhou <[email protected]> * fix ut Signed-off-by: zeminzhou <[email protected]> * rerun ut Signed-off-by: zeminzhou <[email protected]> * rerun ut Signed-off-by: zeminzhou <[email protected]> --------- Signed-off-by: zeminzhou <[email protected]> Co-authored-by: Ping Yu <[email protected]>