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https://issues.apache.org/jira/browse/KAFKA-1543?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14707713#comment-14707713
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ASF GitHub Bot commented on KAFKA-1543:
---------------------------------------
GitHub user apakulov opened a pull request:
https://github.com/apache/kafka/pull/161
KAFKA-1543; Changing replication factor
Adding support to change replication-factor via kafka-topics to avoid
additional hassle of defining replicas explicilty. This change will allow to
make this change with one line:
```
kafka-topics.sh --zookeeper host:port --alter --topic name
--replication-factor 3
```
Also, made a small cleanup by replacing old junit.framework.Assert with
org.junit.Assert
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/apakulov/kafka KAFKA-1543
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/161.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #161
----
commit ed276ffdac107afe26e82d051fbeb8fa4f67416f
Author: Alexander Pakulov <a.paku...@gmail.com>
Date: 2015-08-22T00:46:21Z
KAFKA-1543; Changing replication factor
----
> Changing replication factor
> ---------------------------
>
> Key: KAFKA-1543
> URL: https://issues.apache.org/jira/browse/KAFKA-1543
> Project: Kafka
> Issue Type: Improvement
> Reporter: Alexey Ozeritskiy
> Assignee: Alexander Pakulov
> Attachments: can-change-replication.patch
>
>
> It is difficult to change replication factor by manual editing json config.
> I propose to add a key to kafka-reassign-partitions.sh command to
> automatically create json config.
> Example of usage
> {code}
> kafka-reassign-partitions.sh --zookeeper zk --replicas new-replication-factor
> --topics-to-move-json-file topics-file --broker-list 1,2,3,4 --generate >
> output
> {code}
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