大数据学习笔记-2020-10-05--kafka中一些常用的指令

    科技2022-08-31  112

    kafka常用指令

    开启集群:

    bin/kafka-server-start.sh config/server.properties &

    关闭集群:

    bin/kafka-server-stop.sh stop

    查看当前服务器中所有的topic:

    bin/kafka-topics.sh --zookeeper hadoop101:2181 --list

    创建topic:

    bin/kafka-topics.sh --zookeeper hadoop101:2181 \ --create --replication-factor 3 --partitions 1 --topic first 说明: –topic 定义topic名–replication 定义副本数–partitions 定义分区数

    删除topic:

    bin/kafka-topics.sh --zookeeper hadoop101:2181 \ --delete --topic first

    发送消息:

    [kgg@hadoop101 kafka]$ bin/kafka-console-producer.sh \ --broker-list hadoop101:9092 --topic first >hello world >kgg kgg

    消费消息:

    bin/kafka-console-consumer.sh \ --zookeeper hadoop101:2181 --from-beginning --topic first

    查看某个topic的详情:

    bin/kafka-topics.sh --zookeeper hadoop101:2181 \ --describe --topic first
    Processed: 0.008, SQL: 9