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https://issues.apache.org/jira/browse/KAFKA-4257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15548729#comment-15548729
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Jeff Klukas commented on KAFKA-4257:
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The pull request definitely helps. Thanks for jumping in to make those changes.
I left a comment on the PR.
> Inconsistencies in 0.10.1 upgrade docs
> ---------------------------------------
>
> Key: KAFKA-4257
> URL: https://issues.apache.org/jira/browse/KAFKA-4257
> Project: Kafka
> Issue Type: Bug
> Components: documentation
> Affects Versions: 0.10.1.0
> Reporter: Jeff Klukas
> Priority: Minor
> Fix For: 0.10.1.0
>
>
> There are several inconsistencies in the 0.10.1.0 upgrade docs that make it
> difficult to determine what client versions are compatible with what broker
> versions.
> The initial heading in the upgrade docs is "Upgrading from 0.10.0.X to
> 0.10.1.0", but it includes clauses about versions prior to 0.10. Is the
> intention for these instructions to be valid for upgrading from brokers as
> far back as 0.8? Should this section simply be called "Upgrading to 0.10.1.0"?
> I cannot tell from the docs whether I can upgrade to 0.10.1.0 clients on top
> of 0.10.0.X brokers. In particular, step 5 of the upgrade instructions
> mentions "Once all consumers have been upgraded to 0.10.0". Should that read
> 0.10.1, or is the intention here truly that clients on 9.X or below need to
> be at version 0.10.0.0 at a minimum?
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