Yining Liu created KAFKA-7942:
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Summary: Monitoring consumer lag by time
Key: KAFKA-7942
URL: https://issues.apache.org/jira/browse/KAFKA-7942
Project: Kafka
Issue Type: Wish
Components: consumer, metrics
Reporter: Yining Liu
Currently, we can collect num of messages consumer lagging behind producer.
However, if messages come into a partition sporadically, we are not easy to
define consumer lag alert threshold. If we know how long consumer lagging
behind latest message, it must be helpful.
There are two options:
# expose per partition lag time by consumer jmx metrics
# expose consumer lag time in kafka-consumer-groups.sh
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