Kafka 命令行操作topic+producer+consumer详解

Kafka命令行操作

//启动kafka服务，三台主机分别输入此指令：

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kafka-server-start.sh $KAFKA_HOME/config/server.properties &

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//以后台的方式启动

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nohup kafka-server-start.sh $KAFKA_HOME/config/server.properties &

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//查看topic名

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kafka-topics.sh --list --zookeeper hadoop-001:2181

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//创建topic名

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kafka-topics.sh --create --zookeeper hadoop-001:2181 --replication-factor 3 --partitions 1 --topic first

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//创建生产者

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kafka-console-producer.sh --broker-list hadoop-001:9092,hadoop-002:9092,hadoop-003:9092 --topic first

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//创建消费者

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kafka-console-consumer.sh --zookeeper hadoop-001:2181 --from-beginning --topic first

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1）查看当前服务器中的所有topic

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 kafka-topics.sh --list --zookeeper hadoop-001:2181

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2）创建topic

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kafka-topics.sh --create --zookeeper hadoop-001:2181 --replication-factor 3 --partitions 1 --topic first

选项说明：

--topic 定义topic名

--replication-factor  定义副本数

--partitions  定义分区数

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3）  删除topic

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kafka-topics.sh --delete --zookeeper hadoop-001:2181 --topic first

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需要server.properties中设置delete.topic.enable=true否则只是标记删除或者直接重启。

4）发送消息

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kafka-console-producer.sh --broker-list hadoop-001:9092 --topic first

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>hello world

>hadoop  hadoop

5）消费消息

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kafka-console-consumer.sh --zookeeper hadoop-001:2181 --from-beginning --topic first

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6）查看某个Topic的详情

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kafka-topics.sh --topic first --describe --zookeeper hadoop-002:2181

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