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https://issues.apache.org/jira/browse/KAFKA-864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13634330#comment-13634330
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Scott Clasen commented on KAFKA-864:
------------------------------------
Yes, agree that is possible, but if you want to do any automation of moving
partitions, rotating servers, etc, the output format of
./bin/kafka-list-topic.sh makes doing this painful.
Cold ./bin/kafka-list-topic.sh be modified to (optionally with --json ?) to
output a json format that kafka-reassign-partitions.sh can understand? That
would make automating things easier and basically cover the above functionality
> bin/kafka-gen-reassignment.sh
> -----------------------------
>
> Key: KAFKA-864
> URL: https://issues.apache.org/jira/browse/KAFKA-864
> Project: Kafka
> Issue Type: Improvement
> Affects Versions: 0.8
> Reporter: Scott Clasen
>
> Better tooling for replacing failed brokers and reassigning partitions.
> The output of ./bin/kafka-list-topic.sh makes doing this in bulk painful.
> Tool should output json format acceptable to
> ./bin/kafka-reassign-partitions.sh
> Spec: bin/kafka-gen-reassignment.sh
> Option Description
> ------ -----------
> --topic <topic> REQUIRED: The topic to be reassigned.
> Defaults to all existing topics.
> (default: )
> --partition <partition> REQUIRED: The partition to be
> reassigned.
> Defaults to all partitions.
> (default: )
> --from <broker-id> REQUIRED: The broker to reassign the
> partition from
> --to <broker-id> REQUIRED: The broker to reassign the
> partition to.
> --zookeeper <urls> REQUIRED: The connection string for
> the zookeeper connection in the form
> host:port. Multiple URLS can be
> given to allow fail-over.
> Workflow: Replacing a broker
> ./bin/kafka-gen-reassignment.sh --zookeeper <zks> --from <failed> --to
> <new> > reassign.json
> ./bin/kafka-reassign-partitions.sh --zookeeper <zks> --path-to-json-file
> reassign.json
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