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https://issues.apache.org/jira/browse/KAFKA-17230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apoorv Mittal updated KAFKA-17230:
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Labels: client consumer (was: )
> Kafka consumer client doesn't report node request-latency metrics
> -----------------------------------------------------------------
>
> Key: KAFKA-17230
> URL: https://issues.apache.org/jira/browse/KAFKA-17230
> Project: Kafka
> Issue Type: Bug
> Components: clients, consumer, metrics
> Reporter: Apoorv Mittal
> Assignee: Apoorv Mittal
> Priority: Major
> Labels: client, consumer
>
> Kafka Consumer client registers node/connection latency metrics in
> [Selector.java|https://github.com/apache/kafka/blob/9d634629f29cd402a723d7e7bece18c8099065a4/clients/src/main/java/org/apache/kafka/common/network/Selector.java#L1359]
> but the values against the metric is never recorded. This seems to be an
> issue since inception. However, the same metric is also created for Kafka
> Producer but the value is recorded for Kafka Producer in
> [Sender.java|https://github.com/apache/kafka/blob/9d634629f29cd402a723d7e7bece18c8099065a4/clients/src/main/java/org/apache/kafka/clients/producer/internals/Sender.java#L1092].
> Hence node - request-latency-max and request-latency-avg appears correctly
> for Kafka Producer but is NaN for Kafka Consumer.
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