Hi,

 It means the consumer group exists, and Kafka's aware of it's topic
subscriptions, but either the consumers haven't consumed yet (if using auto
offset commit) or the consumers haven't committed any offsets, if using
manual offset committing.

Does that make sense?

Kind regards,

Liam Clarke-Hutchinson

On Tue, Apr 21, 2020 at 8:12 PM 一直以来 <279377...@qq.com> wrote:

> ghy@ghy-VirtualBox:~/T/k/bin$ ./kafka-consumer-groups.sh
> --bootstrap-server localhost:9081 --describe --group test
>
>
> GROUP&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;TOPIC&nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp;PARTITION&nbsp; CURRENT-OFFSET&nbsp;
> LOG-END-OFFSET&nbsp; LAG&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp;CONSUMER-ID&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; HOST&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; CLIENT-ID
> test&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; myTopic3&nbsp; &nbsp; &nbsp;
> &nbsp; 4&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; -&nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp;1&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp;-&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp;consumer-test-1-d5f2f83d-59fa-4c3b-859d-4219e16479a8 
> /192.168.1.104&nbsp;
> consumer-test-1
> test&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; myTopic3&nbsp; &nbsp; &nbsp;
> &nbsp; 1&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; -&nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp;1&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp;-&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp;consumer-test-1-d5f2f83d-59fa-4c3b-859d-4219e16479a8 
> /192.168.1.104&nbsp;
> consumer-test-1
> test&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; myTopic3&nbsp; &nbsp; &nbsp;
> &nbsp; 2&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; -&nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp;0&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp;-&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp;consumer-test-1-d5f2f83d-59fa-4c3b-859d-4219e16479a8 
> /192.168.1.104&nbsp;
> consumer-test-1
> test&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; myTopic3&nbsp; &nbsp; &nbsp;
> &nbsp; 3&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; -&nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp;1&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp;-&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp;consumer-test-1-d5f2f83d-59fa-4c3b-859d-4219e16479a8 
> /192.168.1.104&nbsp;
> consumer-test-1
> test&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; myTopic3&nbsp; &nbsp; &nbsp;
> &nbsp; 0&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; -&nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp;2&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp;-&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp;consumer-test-1-d5f2f83d-59fa-4c3b-859d-4219e16479a8 
> /192.168.1.104&nbsp;
> consumer-test-1

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