Scott Clasen created KAFKA-864:
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Summary: 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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