KAFKA-17750: Extend kafka-consumer-groups command line tool to support new consumer group #17872
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The new consumer groups have more state available to troubleshoot issues. For instance, each member has an epoch, an assignment, a target assignment, etc. It would be useful to display those too in order to give administrator a detailed view of the state of the groups.
KIP: https://cwiki.apache.org/confluence/display/KAFKA/KIP-1099%3A+Extend+kafka-consumer-groups+command+line+tool+to+support+new+consumer+group
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