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https://issues.apache.org/jira/browse/KAFKA-1902?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14294287#comment-14294287
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Jason Rosenberg commented on KAFKA-1902:
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Actually, a red flag here too, is why are we using 'clientId' in the metric 
name? Won't that change each time an app is restarted (or is it stable long 
term)?  If it's not stable, it should not be part of a metric name.

> fix MetricName so that Yammer reporter can work correctly
> ---------------------------------------------------------
>
>                 Key: KAFKA-1902
>                 URL: https://issues.apache.org/jira/browse/KAFKA-1902
>             Project: Kafka
>          Issue Type: Bug
>          Components: core
>            Reporter: Jun Rao
>            Assignee: Jun Rao
>            Priority: Blocker
>             Fix For: 0.8.2
>
>         Attachments: kafka-1902.patch
>
>
> Currently, we create MetricName in the following format.
> group: "kafka.server"
> type: "BrokerTopicMetrics"
> name: "BytesInPerSec"
> scope: null
> mBeanName: 
> "kafka.server:type=BrokerTopicMetrics,name=BytesInPerSec,topic=test"
> However, Yammer metric reporter seems to only use the first four fields 
> group, type, name and scope during reporting.



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