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https://issues.apache.org/jira/browse/KAFKA-7418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16620459#comment-16620459
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Attila Sasvari commented on KAFKA-7418:
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[~mrsrinivas] sure, it is totally fine with me. However, it might be probably
needed to write a KIP, as we add a new option to the commands, therefore their
public interface changes (it is only an addition that shall be backward
compatible). [~ijuma], [~hachikuji] what do you think?
> Add '--help' option to all available Kafka CLI commands
> --------------------------------------------------------
>
> Key: KAFKA-7418
> URL: https://issues.apache.org/jira/browse/KAFKA-7418
> Project: Kafka
> Issue Type: Improvement
> Components: tools
> Reporter: Attila Sasvari
> Priority: Major
>
> Currently, the '--help' option is not recognized by some Kafka commands . For
> example:
> {code}
> $ kafka-console-producer --help
> help is not a recognized option
> {code}
> However, the '--help' option is supported by other commands:
> {code}
> $ kafka-verifiable-producer --help
> usage: verifiable-producer [-h] --topic TOPIC --broker-list
> HOST1:PORT1[,HOST2:PORT2[...]] [--max-messages MAX-MESSAGES] [--throughput
> THROUGHPUT] [--acks ACKS]
> [--producer.config CONFIG_FILE]
> [--message-create-time CREATETIME] [--value-prefix VALUE-PREFIX]
> ...
> {code}
> To provide a consistent user experience, it would be nice to add a '--help'
> option to all Kafka commands.
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