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From "Jason Gustafson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-5526) ConsumerGroupCommand no longer shows output for consumer groups which have not committed offsets
Date Wed, 28 Jun 2017 21:41:00 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-5526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16067286#comment-16067286
] 

Jason Gustafson commented on KAFKA-5526:
----------------------------------------

[~vahid] That's a good question. I was discussing this with [~ijuma] recently. I think we've
been fairly loose up to this point with changes to the tools, but I'm not sure how well that
has served us since we hear a lot of complaints about them. To be honest, they are sometimes
treated as an afterthought. It might be a good idea to start opening these APIs up to wider
community feedback.



> ConsumerGroupCommand no longer shows output for consumer groups which have not committed
offsets
> ------------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-5526
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5526
>             Project: Kafka
>          Issue Type: Improvement
>            Reporter: Ryan P
>            Assignee: Vahid Hashemian
>
> It would appear that the latest iteration of the ConsumerGroupCommand no longer outputs
information about group membership when no offsets have been committed. It would be nice if
the output generated by these tools maintained some form of consistency across versions as
some users have grown to depend on them. 
> 0.9.x output:
> bin/kafka-consumer-groups --bootstrap-server localhost:9092 --new-consumer --describe
--group console-consumer-34885
> GROUP, TOPIC, PARTITION, CURRENT OFFSET, LOG END OFFSET, LAG, OWNER
> console-consumer-34885, test, 0, unknown, 0, unknown, consumer-1_/192.168.1.64
> 0.10.2 output:
> bin/kafka-consumer-groups --bootstrap-server localhost:9092 --new-consumer --describe
--group console-consumer-34885
> Note: This will only show information about consumers that use the Java consumer API
(non-ZooKeeper-based consumers).
> TOPIC                          PARTITION  CURRENT-OFFSET  LOG-END-OFFSET  LAG       
CONSUMER-ID                                       HOST                           CLIENT-ID



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