[jira] [Created] (KAFKA-17230) Kafka consumer client doesn't report node request-latency metrics

[Apoorv Mittal (Jira)]

Apoorv Mittal created KAFKA-17230:
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             Summary: 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
            Reporter: Apoorv Mittal
            Assignee: Apoorv Mittal


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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