private MetricName droppedRecordsTotalMetric() {
        return new MetricName(
            "dropped-records-total",
            "stream-task-metrics",
            "The total number of dropped records",
            mkMap(
                mkEntry("thread-id", threadId),
                mkEntry("task-id", "0_0")
            )
        );
    }
Metric name for dropped records total.

@return the metric name
streams/src/test/java/org/apache/kafka/streams/integration/ProcessingExceptionHandlerIntegrationTest.java