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https://issues.apache.org/jira/browse/KAFKA-2106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14744357#comment-14744357
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Jun Rao commented on KAFKA-2106:
--------------------------------
[~chenshangan...@163.com], could you write up a high level description of what
the new tool does? Also, for major changes, we require people to submit a KIP
proposal
(https://cwiki.apache.org/confluence/display/KAFKA/Kafka+Improvement+Proposals).
> Partition balance tool between borkers
> --------------------------------------
>
> Key: KAFKA-2106
> URL: https://issues.apache.org/jira/browse/KAFKA-2106
> Project: Kafka
> Issue Type: New Feature
> Components: admin
> Affects Versions: 0.9.0.0
> Reporter: chenshangan
> Attachments: KAFKA-2106.3, KAFKA-2106.patch, KAFKA-2106.patch.2
>
>
> The default partition assignment algorithm can work well in a static kafka
> cluster(number of brokers seldom change). Actually, in production env, number
> of brokers is always increasing according to the business data. When new
> brokers added to the cluster, it's better to provide a tool that can help to
> move existing data to new brokers. Currently, users need to choose topic or
> partitions manually and use the Reassign Partitions Tool
> (kafka-reassign-partitions.sh) to achieve the goal. It's a time-consuming
> task when there's a lot of topics in the cluster.
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