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kafka 生产者消费者使用案例

创建topic： kafka-topics --create --partitions 3 --replication-factor 1 --topic first_topic --zookeeper 127.0.0.1:2181 生产者 kafka-console-producer --topic first_topic --broker-list 127.0.0.1:9092 --property "parse.key=true" --property "key.separator=:" 消

zoo.cfgdataDir=/data/software/zookeeper-3.4.5-cdh5.3.6/data/zkDataserver.1=hadoop1:2888:3888对应的dataDir中创建myid文件，内容是1好了，欧了

搭建zookeeper集群，docker-compose.yml文件内容如下 version: '3.1' services: zoo1: image: zookeeper restart: always hostname: zoo1 ports: - 2181:2181 environment: ZOO_MY_ID: 1 ZOO_SERVERS: server.1=0.0.0.0:2888:3888;2181 serve