private void outputDefaultMetrics(long rowCountSize, long rowDataSize, long fetchDelay, long emitDelay) {
        outputDefaultMetrics(rowCountSize, rowDataSize);
        this.fetchDelay = fetchDelay;
        this.emitDelay = emitDelay;
    }
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/SourceMetricData.java