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https://issues.apache.org/jira/browse/KAFKA-2018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guozhang Wang resolved KAFKA-2018.
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    Resolution: Fixed

This is solved as part of KAFKA-2017.

> Add metadata to consumer registry info
> --------------------------------------
>
>                 Key: KAFKA-2018
>                 URL: https://issues.apache.org/jira/browse/KAFKA-2018
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: consumer
>            Reporter: Guozhang Wang
>            Assignee: Guozhang Wang
>             Fix For: 0.10.0.0
>
>
> While working on the new consumer and the coordinator, I found there are some 
> consumer metadata info that should better be kept track of. For example, in 
> the new consumer the consumer id is assigned by the coordinator, which is 
> just the group name + index, and we have lost useful information such as host 
> name in the consumer id. Adding a metadata in the consumer registry info as 
> we did in the consumer commit message would be very useful in this case.
> Since join group request protocol has not been exposed as the new consumer 
> release, I think we can just change its format without bumping up request 
> version. I am also wondering if a KIP is required for this change.



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