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https://issues.apache.org/jira/browse/KAFKA-1197?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Manikumar resolved KAFKA-1197.
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Resolution: Fixed
Size, LogStartOffset, LogEndOffset are exposed as metrics in newer verions.
> Count of bytes or messages of a topic stored in kafka
> -----------------------------------------------------
>
> Key: KAFKA-1197
> URL: https://issues.apache.org/jira/browse/KAFKA-1197
> Project: Kafka
> Issue Type: New Feature
> Components: core
> Affects Versions: 0.7.2, 0.8.0
> Reporter: Hanish Bansal
> Priority: Minor
>
> There should be direct way of measuring count of messages or bytes for a
> topic stored in Kafka.
> There are already some very useful metrics like byteRate and messageRate
> using what we can see count of bytes/messages coming into Kafka broker.
> I was looking for some jmx metrics that can give count of messages/bytes
> stored in kafka.
> If we look into data stores like hbase we can see how many messages are
> stored in hbase or if we look into search engine like elasticsearch then also
> we can see how many messages are stored/indexed in elasticsearch. In similar
> way i was expecting that there should be some way to see count of messages
> or bytes for a topic stored in kafka without using any external tool.
> It will be really helpful if there is some support for this using some jmx
> metric or by script.
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