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https://issues.apache.org/jira/browse/KAFKA-1481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14169396#comment-14169396
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Vladimir Tretyakov commented on KAFKA-1481:
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Added another patch which introduce metrics name like pairs (key=value),
examples:
{code}
"kafka.consumer":type="ConsumerTopicMetrics",name="clientId=af_servers,AllTopics,BytesPerSec"
"kafka.cluster":type="Partition",name="topic=spm_alerts_topic,partitionId=0,UnderReplicated"
"kafka.network":type="SocketServer",name="NetworkProcessorNum=1,IdlePercent"
"kafka.server":type="BrokerTopicMetrics",name="topic=spm_topic,MessagesInPerSec"
"kafka.server":type="FetcherStats",name="clientId=af_servers,ConsumerFetcherThread,groupId=af_servers,consumerHostName=wawanawna,timestamp=1413199781501,uuid=58a5cc70,fetcherId=0,sourceBrokerId=0,brokerHost=wawanawna,brokerPort=9092,BytesPerSec"
"kafka.server":type="FetcherLagMetrics",name="clientId=af_servers,ConsumerFetcherThread,groupId=af_servers,consumerHostName=wawanawna,timestamp=1413199781501,uuid=58a5cc70,fetcherId=0,sourceBrokerId=0,brokerHost=wawanawna,brokerPort=9092,topic=spm_topic,partitionId=0,ConsumerLag"
"kafka.consumer":type="FetchRequestAndResponseMetrics",name="clientId=af_servers,ConsumerFetcherThread,groupId=af_servers,consumerHostName=wawanawna,timestamp=1413199781501,uuid=58a5cc70,fetcherId=0,sourceBrokerId=0,brokerHost=wawanawna,brokerPort=9092,FetchResponseSize"
{code}
> Stop using dashes AND underscores as separators in MBean names
> --------------------------------------------------------------
>
> Key: KAFKA-1481
> URL: https://issues.apache.org/jira/browse/KAFKA-1481
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 0.8.1.1
> Reporter: Otis Gospodnetic
> Priority: Critical
> Labels: patch
> Fix For: 0.8.2
>
> Attachments: KAFKA-1481_2014-06-06_13-06-35.patch
>
>
> MBeans should not use dashes or underscores as separators because these
> characters are allowed in hostnames, topics, group and consumer IDs, etc.,
> and these are embedded in MBeans names making it impossible to parse out
> individual bits from MBeans.
> Perhaps a pipe character should be used to avoid the conflict.
> This looks like a major blocker because it means nobody can write Kafka 0.8.x
> monitoring tools unless they are doing it for themselves AND do not use
> dashes AND do not use underscores.
> See: http://search-hadoop.com/m/4TaT4lonIW
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