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https://issues.apache.org/jira/browse/KAFKA-1654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14201718#comment-14201718
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Jarek Jarcec Cecho commented on KAFKA-1654:
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I've added second version of the patch that:
* Renames the {{\-\-set}} to {{\-\-override}}
* Enforces that only valid parameters are on the command line and there are no
so called "nonOptions"
> Provide a way to override server configuration from command line
> ----------------------------------------------------------------
>
> Key: KAFKA-1654
> URL: https://issues.apache.org/jira/browse/KAFKA-1654
> Project: Kafka
> Issue Type: Improvement
> Components: core
> Affects Versions: 0.8.1.1
> Reporter: Jarek Jarcec Cecho
> Assignee: Jarek Jarcec Cecho
> Fix For: 0.8.3
>
> Attachments: KAFKA-1654.patch, KAFKA-1654.patch
>
>
> I've been recently playing with Kafka and I found the current way of server
> configuration quite inflexible. All the configuration options have to be
> inside a properties file and there is no way how they can be overridden for
> execution. In order to temporarily change one property I had to copy the
> config file and change the property there. Hence, I'm wondering if people
> would be open to provide a way how to specify and override the configs from
> the command line when starting Kafka?
> Something like:
> {code}
> ./bin/kafka-server-start.sh -Dmy.cool.property=X kafka.properties
> {code}
> or
> {code}
> ./bin/kafka-server-start.sh --set my.cool.property=X kafka.properties
> {code}
> I'm more than happy to take a stab at it, but I would like to see if there is
> an interest for such capability?
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