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https://issues.apache.org/jira/browse/KAFKA-5588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16495006#comment-16495006
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Paolo Patierno edited comment on KAFKA-5588 at 5/30/18 10:50 AM:
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[~ijuma] I have just provided a PR for this one for removing "--new-consumer" 
option from all the consumer based tools.

I have just noticed that the MirrorMaker has something similar. Using the 
old/new consumer is based on the provided "zookeeper.connect" parameter for the 
consumer config or not.

Do you agree to remove the "new.consumer" option there as well? My concern is 
that it wasn't deprecated in the previous version as already done for the other 
tools.


was (Author: ppatierno):
[~ijuma] I have just provided a PR for this one for removing --new-consuemer 
option from all the consumer based tools.

I have just noticed that the MirrorMaker has something similar. Using the 
old/new consumer is based on the provided "zookeeper.connect" parameter for the 
consumer config or not.

Do you agree to remove the "new.consumer" option there as well? My concern is 
that it wasn't deprecated in the previous version as already done for the other 
tools.

> Remove deprecated new-consumer option for tools
> -----------------------------------------------
>
>                 Key: KAFKA-5588
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5588
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: Paolo Patierno
>            Assignee: Paolo Patierno
>            Priority: Minor
>             Fix For: 2.0.0
>
>
> Hi,
> with the current version of the ConsoleConsumer, ConsumerPerformance and 
> ConsumerGroupCommand command line tools, it's not needed to specify the 
> --new-consumer option anymore in order to use the new consumer. The choice 
> for using the old or the new one is made just specifying the --zookeeper for 
> the former and --bootstrap-server for the latter.
> The issues [KAFKA-5599|https://issues.apache.org/jira/browse/KAFKA-5599] and 
> [KAFKA-5619|https://issues.apache.org/jira/browse/KAFKA-5619] fixed and 
> included in the 1.0.0 release deprecated the usage of the --new-consumer flag.
> More details in the related 
> [KIP-176|https://cwiki.apache.org/confluence/display/KAFKA/KIP-176%3A+Remove+deprecated+new-consumer+option+for+tools].
> Thanks,
> Paolo.



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