Jiangjie Qin created KAFKA-2076:
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Summary: Add an API to new consumer to allow user get high
watermark of partitions.
Key: KAFKA-2076
URL: https://issues.apache.org/jira/browse/KAFKA-2076
Project: Kafka
Issue Type: Improvement
Reporter: Jiangjie Qin
We have a use case that user wants to know how far it is behind a particular
partition on startup. Currently in each fetch response, we have high watermark
for each partition, we only keep a global max-lag metric. It would be better
that we keep a record of high watermark per partition and update it on each
fetch response. We can add a new API to let user query the high watermark.
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