@Override
        public String toString() {
            return "TableMetric{"
                    + "numRecordsIn=" + numRecordsIn
                    + ", numBytesIn=" + numBytesIn
                    + '}';
        }
The mongo table level metric in a split of mongo metric.
inlong-sort/sort-flink/cdc-base/src/main/java/org/apache/inlong/sort/cdc/base/source/meta/split/MetricSplit.java