[jira] [Created] (KAFKA-7265) Broker and consumer metrics topic names are reported differently

Thu, 09 Aug 2018 05:34:21 -0700 

Mathias Kub created KAFKA-7265:
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             Summary: Broker and consumer metrics topic names are reported 
differently
                 Key: KAFKA-7265
                 URL: https://issues.apache.org/jira/browse/KAFKA-7265
             Project: Kafka
          Issue Type: Bug
          Components: consumer
    Affects Versions: 1.1.0
            Reporter: Mathias Kub


Hi,

I noticed that the *topic* attribute value of 
kafka.consumer:consumer-fetch-manager-metrics reported differently than for 
kafka.server:type=BrokerTopicMetrics,name=MessagesInPerSec.

For kafka.consumer:consumer-fetch-manager-metrics *.* (dots) are replaced by 
*_* (underscores), but this is not true for e.g. 
kafka.server:type=BrokerTopicMetrics,name=MessagesInPerSec.

I am currently using the metrics for monitoring, extracting *topic* of 
kafka.consumer:consumer-fetch-manager-metrics and displaying 
kafka.server:type=BrokerTopicMetrics,name=MessagesInPerSec for the given topic 
which does not work in that case.

Please also see https://github.com/apache/kafka/pull/4362#discussion_r203435388.

Thanks,
Mathias



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