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https://issues.apache.org/jira/browse/KAFKA-9389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17056666#comment-17056666
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James Cheng commented on KAFKA-9389:
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[~mitchellh], I think in order for Jira to auto-link your PR, the title of your
PR must start with "KAFKA-9389 "
> Document how to use kafka-reassign-partitions.sh to change log dirs for a
> partition
> -----------------------------------------------------------------------------------
>
> Key: KAFKA-9389
> URL: https://issues.apache.org/jira/browse/KAFKA-9389
> Project: Kafka
> Issue Type: Improvement
> Reporter: James Cheng
> Assignee: Mitchell
> Priority: Major
> Labels: newbie
>
> KIP-113 introduced support for moving replicas between log directories. As
> part of it, support was added to kafka-reassign-partitions.sh so that users
> can move replicas between log directories. Specifically, when you call
> "kafka-reassign-partitions.sh --topics-to-move-json-file
> topics-to-move.json", you can specify a "log_dirs" key in the
> topics-to-move.json file, and kafka-reassign-partitions.sh will then move
> those replicas to those directories.
>
> However, when working on that KIP, we didn't update the docs on
> kafka.apache.org to describe how to use the new functionality. We should add
> documentation on that.
>
> I haven't used it before, but whoever works on this Jira can probably figure
> it out by experimentation with kafka-reassign-partitions.sh, or by reading
> KIP-113 page or the associated JIRAs.
> *
> [https://cwiki.apache.org/confluence/display/KAFKA/KIP-113%3A+Support+replicas+movement+between+log+directories]
> * KAFKA-5163
> * KAFKA-5694
>
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