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https://issues.apache.org/jira/browse/KAFKA-1070?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14086353#comment-14086353
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Joe Stein commented on KAFKA-1070:
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[~harshars] I understand. What I am struggling with is this for new users or
existing users? For existing users what I have seen them do (at least a dozen
times now) is to avoid the conflict of broker.id in the properties file (like
you are saying) is to take the IP address, strip out the "." and use that
(since IP is unique that is what they go with). They do this in their
automation scripts. I have to imagine it is larger than I have seen as they
all did this independently of each other as an intuitive way to make unique
broker.id.
> Auto-assign node id
> -------------------
>
> Key: KAFKA-1070
> URL: https://issues.apache.org/jira/browse/KAFKA-1070
> Project: Kafka
> Issue Type: Bug
> Reporter: Jay Kreps
> Assignee: Sriharsha Chintalapani
> Labels: usability
> Attachments: KAFKA-1070.patch, KAFKA-1070_2014-07-19_16:06:13.patch,
> KAFKA-1070_2014-07-22_11:34:18.patch, KAFKA-1070_2014-07-24_20:58:17.patch,
> KAFKA-1070_2014-07-24_21:05:33.patch
>
>
> It would be nice to have Kafka brokers auto-assign node ids rather than
> having that be a configuration. Having a configuration is irritating because
> (1) you have to generate a custom config for each broker and (2) even though
> it is in configuration, changing the node id can cause all kinds of bad
> things to happen.
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