in src/main/java/org/apache/rocketmq/exporter/collector/RMQMetricsCollector.java [665:673]
public void addTopicOffsetMetric(String clusterName, String brokerName, String topic, long lastUpdateTimestamp, double value) {
if (topic.startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX)) {
topicRetryOffset.put(new ProducerMetric(clusterName, brokerName, topic, lastUpdateTimestamp), value);
} else if (topic.startsWith(MixAll.DLQ_GROUP_TOPIC_PREFIX)) {
topicDLQOffset.put(new DLQTopicOffsetMetric(clusterName, brokerName, topic.replace(MixAll.DLQ_GROUP_TOPIC_PREFIX, ""), lastUpdateTimestamp), value);
} else {
topicOffset.put(new ProducerMetric(clusterName, brokerName, topic, lastUpdateTimestamp), value);
}
}