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https://issues.apache.org/jira/browse/KAFKA-9389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17025455#comment-17025455
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Mitchell commented on KAFKA-9389:
---------------------------------

Hi James,

The PR i submitted had enough issues I decided to pull it back and resubmit.  
Expect a new PR tomorrow or Thursday.

> 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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