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https://issues.apache.org/jira/browse/KAFKA-18088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17900989#comment-17900989
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Matthias J. Sax commented on KAFKA-18088:
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We added something similar for "open iterators" inside Kafka Streams, including
tracking how old the oldest iterator is. Could be helpful:
[https://cwiki.apache.org/confluence/display/KAFKA/KIP-989%3A+Improved+StateStore+Iterator+metrics+for+detecting+leaks]
– we might want to do something similar.
> Add consumer metric about paused partitions
> -------------------------------------------
>
> Key: KAFKA-18088
> URL: https://issues.apache.org/jira/browse/KAFKA-18088
> Project: Kafka
> Issue Type: Improvement
> Components: clients, consumer
> Reporter: Matthias J. Sax
> Priority: Major
> Labels: needs-kip
>
> Consumers allow to `pause()` and `resume()` partitions for processing, and
> higher level layers like Kafka Streams make use of it, in a non-transparent
> way to users.
> It would be useful to add a new metric to the consumer, which tracks which
> partitions are current pauses, and for how long they got paused.
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