public MetricName metricName(String name, String group, Map<String, String> tags) {
        return metricName(name, group, "", tags);
    }
Create a MetricName with the given name, group and tags, plus default tags specified in the metric
configuration. Tag in tags takes precedence if the same tag key is specified in the default metric configuration.

@param name  The name of the metric
@param group logical group name of the metrics to which this metric belongs
@param tags  key/value attributes of the metric
clients/src/main/java/org/apache/kafka/common/metrics/Metrics.java