初步了解一下一下kafka的基本用法。
win7 64 bit
jdk1.7
1)下载kafka_2.10-0.8.2.1.tgz并解压(整合scala)
2)修改配置文件(可选)
config/zookeeper.properties
dataDir=/zookeeper
dataDir=zookeeper
3)启动zookeeper(窗口1)
cd bin\windows
zookeeper-server-start ..\..\config\zookeeper.properties
或
zookeeper-server-start ../../config/zookeeper.properties
4)zookeeper测试(窗口2)
echo stat | nc 192.168.25.42 2181
D:\fk\tech\kafka\kafka_2.10-0.8.2.1\kafka_2.10-0.8.2.1\bin\windows>zookeeper-shell.bat 192.168.25.42:2181
注: 这里没有提示符
D:\fk\tech\cloud\zookeeper\zookeeper-3.4.6\bin>zkcli.cmd 192.168.25.42:2181Connecting to localhost:2181
ls /测试ok
5)启动kafka(窗口3)
kafka-server-start.bat ..\..\config\server.properties
6)创建topic(窗口4)
kafka-topics.bat --create --zookeeper localhost:2181 --replication-factor 1 --partitions 3 --topic mytopic
D:\fk\tech\kafka\kafka_2.10-0.8.2.1\kafka_2.10-0.8.2.1\bin\windows>kafka-topics.bat --create --zookeeper localhost:2181 --replication-factor 1 --partitions 3 --topic mytopicCreated topic "mytopic".
7)查看topic(窗口4)
kafka-topics.bat --describe --zookeeper localhost:2181 --topic mytopic
D:\fk\tech\kafka\kafka_2.10-0.8.2.1\kafka_2.10-0.8.2.1\bin\windows>kafka-topicsbat --describe --zookeeper localhost:2181 --topic mytopicTopic:mytopic PartitionCount:3 ReplicationFactor:1 Configs:Topic: mytopic Partition: 0 Leader: 0 Replicas: 0 Isr: 0Topic: mytopic Partition: 1 Leader: 0 Replicas: 0 Isr: 0Topic: mytopic Partition: 2 Leader: 0 Replicas: 0 Isr: 0
8)发布/生产消息窗口(窗口5)
kafka-console-producer.bat --broker-list localhost:9092 --topic mytopic
有一个错误提示,但是不影响(kafa的bugKAFKA-1711,KAFKA-1824,预计0.9修复)
D:\fk\tech\kafka\kafka_2.10-0.8.2.1\kafka_2.10-0.8.2.1\bin\windows>kafka-consol-producer.bat --broker-list localhost:9092 --topic mytopic[2015-09-30 10:06:11,420] WARN Property topic is not valid (kafka.utils.VerifialeProperties)
9)消费消息窗口(窗口6)
kafka-console-consumer.bat --zookeeper localhost:2181 --from-beginning --topic mytopic
10)producer窗口输入,可以在consumer窗口输出
D:\fk\tech\kafka\kafka_2.10-0.8.2.1\kafka_2.10-0.8.2.1\bin\windows>kafka-console-producer.bat --broker-list localhost:9092 --topic mytopic[2015-09-30 10:06:11,420] WARN Property topic is not valid (kafka.utils.VerifiableProperties)hellokafkaerrorthis is a test msg from producer中文
D:\fk\tech\kafka\kafka_2.10-0.8.2.1\kafka_2.10-0.8.2.1\bin\windows>kafka-console-consumer.bat --zookeeper localhost:2181 --from-beginning --topic mytopichellokafkaerrorthis is a test msg from producer中文
10)znode查看
ls /[consumers, config, controller, admin, brokers, zookeeper, controller_epochls /consumers[console-consumer-21728]ls /config[topics, changes]ls /controller[]ls /admin[delete_topics]ls /brokers[topics, ids]ls /zookeeper[quota]ls /controller_epoch[]
11)检查offset(窗口4)
注意:group为consumerid,需要在zk里面查ls /consumer
D:\fk\tech\kafka\kafka_2.10-0.8.2.1\kafka_2.10-0.8.2.1\bin\windows>kafka-consumer-offset-checker.bat --topic mytopic --zookeeper localhost:2181 --broker-info 127.0.0.1:9092 --group console-consumer-64061Group Topic Pid Offset logSizeLag Ownerconsole-consumer-64061 mytopic 0 4 40 console-consumer-64061_zynb0411-1443580144073-95285fc3-0console-consumer-64061 mytopic 1 1 10 console-consumer-64061_zynb0411-1443580144073-95285fc3-0console-consumer-64061 mytopic 2 1 10 console-consumer-64061_zynb0411-1443580144073-95285fc3-0BROKER INFO0 -> zynb0411:9092D:\fk\tech\kafka\kafka_2.10-0.8.2.1\kafka_2.10-0.8.2.1\bin\windows>
12)simple-consumer(底层操作)
指定offset
D:\fk\tech\kafka\kafka_2.10-0.8.2.1\kafka_2.10-0.8.2.1\bin\windows>kafka-simple-consumer-shell.bat --topic mytopic --offset 1 --broker-list 127.0.0.1:9092 --partition 0errorthis is a test msg from producer中文
分别查看不同的partition
D:\fk\tech\kafka\kafka_2.10-0.8.2.1\kafka_2.10-0.8.2.1\bin\windows>kafka-simple-consumer-shell.bat --topic mytopic --offset 0 --broker-list 127.0.0.1:9092 --partition 0kafkaerrorthis is a test msg from producer中文终止批处理操作吗(Y/N)? yD:\fk\tech\kafka\kafka_2.10-0.8.2.1\kafka_2.10-0.8.2.1\bin\windows>kafka-simple-consumer-shell.bat --topic mytopic --offset 0 --broker-list 127.0.0.1:9092 --partition 1go终止批处理操作吗(Y/N)? yD:\fk\tech\kafka\kafka_2.10-0.8.2.1\kafka_2.10-0.8.2.1\bin\windows>kafka-simple-consumer-shell.bat --topic mytopic --offset 0 --broker-list 127.0.0.1:9092 --partition 2hello终止批处理操作吗(Y/N)? yD:\fk\tech\kafka\kafka_2.10-0.8.2.1\kafka_2.10-0.8.2.1\bin\windows>
本文详细介绍了如何在Windows环境下安装、配置、启动Kafka,包括下载与解压、配置文件修改、启动zookeeper和kafka、创建与查看topic、发布与消费消息等步骤,并附带解决常见错误的方法。

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