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https://issues.apache.org/jira/browse/KAFKA-1902?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14294261#comment-14294261
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Jason Rosenberg commented on KAFKA-1902:
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[~jjkoshy] I did mean to just replace all dots with underscores. I wasn't
suggesting we need sub-navigation within the scope piece (although that
wouldn't be ok too). I really don't like the "$"'s though, cuz they are ugly
to read. The whole point is that this is human readable. I'm ok with
underscores potentially coexisting with 'converted' dots-to-underscores (would
still be readable).
Do topic and clientId not allow $? What about dashes ('-')?
> 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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