private void outputAuditMetrics(long rowCount, long rowSize, long dataTime) {
        if (auditOperator != null) {
            for (Integer key : auditKeys) {
                auditOperator.add(
                        key,
                        getGroupId(),
                        getStreamId(),
                        dataTime,
                        rowCount,
                        rowSize);
            }
        }
    }
flush audit data
usually call this method in close method or when checkpointing
inlong-sort/sort-flink/base/src/main/java/org/apache/inlong/sort/base/metric/SinkMetricData.java