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创建一个topic:
[root@hdp1 bin]# ./kafka-topics.sh --create --zookeeper hdp1:2181 --replication-factor 1 --partitions 1 --topic justin Created topic "justin". [root@hdp1 bin]# pwd /usr/hdp/2.2.6.0-2800/kafka/bin
在zookeeper中可以查看到刚才创建的topic:
[zk: hdp1:2181(CONNECTED) 4] ls /brokers/topics [topic1, ambari_kafka_service_check, justin, test, kafkaToptic]
由于在创建topic的时候,指定—partitions为1,所有在zookeeper中看到的分区数为一个:
[zk: hdp1:2181(CONNECTED) 7] ls /brokers/topics/justin/partitions [0] [zk: hdp1:2181(CONNECTED) 8] ls /brokers/topics/justin/partitions/0 [state] [zk: hdp1:2181(CONNECTED) 9] ls /brokers/topics/justin/partitions/0/state [] [zk: hdp1:2181(CONNECTED) 10] ls /brokers/topics/justin/partitions/0 [state] [zk: hdp1:2181(CONNECTED) 11] ls /brokers/topics/justin/partitions/0/state []
kafka自带脚本也可以查看到zookeeper中创建的topic:
[root@hdp1 bin]# ./kafka-topics.sh --list --zookeeper hdp1:2181 ambari_kafka_service_check justin kafkaToptic test topic1
使用生产者,往kafka队列的justin主题(类似于bigpipe的pipe,partition和bigpipe的pipelet类似)发送两条消息:
[root@hdp1 bin]# ./kafka-console-producer.sh --broker-list hdp1:6667 --topic justin justinzhang This is another justin
使用消费者,从kafka队列的topic中获取消息,—from-beginning表示从开始处订阅:
[root@hdp1 bin]# ./kafka-console-consumer.sh --zookeeper hdp1:2181 --topic justin --from-beginning justinzhang This is another justin
可以使用将标准输入定位到文件的方式,往broker发送文件:
[root@hdp1 bin]# ./kafka-console-producer.sh --broker-list hdp1:6667 --topic justin < kafka-server-stop.sh
多个订阅者都可以收到生产者发送的消息。
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原文地址:http://www.cnblogs.com/justinzhang/p/4647586.html