Would be great to log batchSize value here:

https://github.com/debezium/debezium/blob/v1.8.0.Alpha2/debezium-core/src/main/java/io/debezium/connector/common/BaseSourceTask.java#L185

That way can know that x changed rows were sent. Whereas right now if we snapshot and keep debezium running in same session for cdc the value printed does not give the count of what changed