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https://issues.apache.org/jira/browse/KAFKA-19784?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Schofield resolved KAFKA-19784.
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Fix Version/s: 4.2.0
Resolution: Fixed
> Expose Rack ID in MemberDescription
> -----------------------------------
>
> Key: KAFKA-19784
> URL: https://issues.apache.org/jira/browse/KAFKA-19784
> Project: Kafka
> Issue Type: Task
> Components: admin, clients
> Reporter: fujian
> Assignee: fujian
> Priority: Major
> Labels: needs-kip
> Fix For: 4.2.0
>
>
> Currently, the {{{}AdminClient{}}}’s {{describeConsumerGroups}} API returns a
> {{MemberDescription}} that does *not* include rack information, even though
> the underlying {{ConsumerGroupDescribeResponse}} protocol already supports a
> {{rackId}} field.
> This causes users to be unable to retrieve member rack information through
> the Admin API.
> Rack information is crucial for:
> * Monitoring and visualization tools
> * Operational analysis of rack distribution
> * Diagnosing rack-aware assignment issues
> In addition, StreamsGroupMemberDescription already includes the rackId, so
> adding it here would also make the behavior more consistent.
> The PR: [https://github.com/apache/kafka/pull/20691]
> The KIP:
> https://cwiki.apache.org/confluence/display/KAFKA/KIP-1227%3A+Expose+Rack+ID+in+MemberDescription+and+ShareMemberDescription
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