[jira] [Updated] (KAFKA-1654) Provide a way to override server configuration from command line

["Jarek Jarcec Cecho (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-1654?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jarek Jarcec Cecho updated KAFKA-1654:
--------------------------------------
    Attachment: KAFKA-1654.patch

Finally attaching the patch. My apologies for the delay [~nehanarkhede] - I've been sidetracked by my day job :(

> 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
>
>
> 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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