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https://issues.apache.org/jira/browse/KAFKA-1464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15494596#comment-15494596
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Jiangjie Qin commented on KAFKA-1464:
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It seems the PR title did not start with "KAFKA-1464" so the PR link is not
updated. Anyway, the PR link is https://github.com/apache/kafka/pull/1776
> Add a throttling option to the Kafka replication tool
> -----------------------------------------------------
>
> Key: KAFKA-1464
> URL: https://issues.apache.org/jira/browse/KAFKA-1464
> Project: Kafka
> Issue Type: New Feature
> Components: replication
> Affects Versions: 0.8.0
> Reporter: mjuarez
> Assignee: Ben Stopford
> Priority: Minor
> Labels: replication, replication-tools
> Fix For: 0.10.1.0
>
>
> When performing replication on new nodes of a Kafka cluster, the replication
> process will use all available resources to replicate as fast as possible.
> This causes performance issues (mostly disk IO and sometimes network
> bandwidth) when doing this in a production environment, in which you're
> trying to serve downstream applications, at the same time you're performing
> maintenance on the Kafka cluster.
> An option to throttle the replication to a specific rate (in either MB/s or
> activities/second) would help production systems to better handle maintenance
> tasks while still serving downstream applications.
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