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Kafkaのtopic操作コマンド

Last updated at Posted at 2017-12-05

Kafkaのtopic操作コマンド

とにかく良く忘れるのでまとめる

前提条件

Kafkaバージョン: 0.11
Zookeeperの稼働場所:localhost:2181

コマンド実行場所はKafkaの展開ディレクトリとします

コマンド郡

topic作成

コマンド
./bin/kafka-topics.sh --zookeeper localhost:2181 --create --replication-factor 1 --partitions 1 --topic sample1
結果
Created topic "sample1".

replication-factor : ざっくり言うとメッセージの複製数
paprtitions : topic内のパーティション数

パラメータについてはKafkaの構成やtopicについてのドキュメントを一読しておくのが望ましいでしょう

tpic一覧表示

コマンド
./bin/kafka-topics.sh --zookeeper localhost:2181 --list
結果
sample1

topic詳細確認

コマンド
./bin/kafka-topics.sh --zookeeper localhost:2181 --describe --topic sample1
結果
Topic:sample1	PartitionCount:1	ReplicationFactor:1	Configs:
	Topic: sample1	Partition: 0	Leader: 1	Replicas: 1	Isr: 1

topic修正

コマンド
./bin/kafka-topics.sh --zookeeper localhost:2181 --alter --topic sample1 --config max.message.bytes=128000
結果
WARNING: Altering topic configuration from this script has been deprecated and may be removed in future releases.
         Going forward, please use kafka-configs.sh for this functionality
Updated config for topic "sample1".

WARNING出るけど実行出来てるみたい。configについては様々なパラメータがあるのでドキュメントを一読のこと..

topic削除

コマンド
./bin/kafka-topics.sh --zookeeper localhost:2181 --delete --topic sample1
結果
Note: This will have no impact if delete.topic.enable is not set to true.

Kafkaの起動時のパラメータで(デフォルトではconfig/server.properties) delete.topic.enable=true を指定していないと削除出来ない

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