Kevin Lu created KAFKA-5991:
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Summary: Change Consumer per partition lag metrics to put
topic-partition-id in tags instead of metric name
Key: KAFKA-5991
URL: https://issues.apache.org/jira/browse/KAFKA-5991
Project: Kafka
Issue Type: Improvement
Affects Versions: 0.11.0.0, 0.10.2.0, 0.10.1.0, 0.10.0.1, 0.10.0.0
Reporter: Kevin Lu
Priority: Minor
A KIP will be needed for this (?) as this requires a change to the public API
(metric).
[KIP-92](https://cwiki.apache.org/confluence/display/KAFKA/KIP-92+-+Add+per+partition+lag+metrics+to+KafkaConsumer)
brought per partition lag metrics to KafkaConsumer, but these metrics put the
"TOPIC-PARTITION_ID" inside of the metric name itself. These metrics should
instead utilize the tags and put key="topic-partition" and
value="TOPIC-PARTITION_ID".
Per-broker (node) and per-topic metrics utilize tags in this way by putting
key="node/topic" and value="NODE_ID/TOPIC_NAME".
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