kafka官网:http://kafka.apache.org/documentation/
kafka中文:https://www.orchome.com/kafka/index
jdk1.8
scala12.11:https://www.scala-lang.org/download/
kafka 2.11-2.4.1:https://kafka.apachecn.org/downloads.html
1、分别配置java、scala、kafka HOME变量
2、将HOME目录对应的bin目录添加到path环境变量
由于是windows环境下使用的是bat脚本而不是shell脚本,所有这里配置的目录是%KAFKA_HOME%\bin\windows
zookeeper数据目录:D://Hadoop//Kafka//kafka_2.11-2.4.1//zkdatadir
dataDir=D://Hadoop//Kafka//kafka_2.11-2.4.1//zkdatadir
clientPort=2181
maxClientCnxns=0
admin.enableServer=false
kafka日志目录:D://Hadoop//Kafka//kafka_2.11-2.4.1//logs
broker.id=0
num.network.threads=3
num.io.threads=8
socket.send.buffer.bytes=102400
socket.receive.buffer.bytes=102400
socket.request.max.bytes=104857600
log.dirs=D://Hadoop//Kafka//kafka_2.11-2.4.1//logs
num.partitions=1
num.recovery.threads.per.data.dir=1
offsets.topic.replication.factor=1
transaction.state.log.replication.factor=1
transaction.state.log.min.isr=1
log.retention.hours=168
log.segment.bytes=1073741824
log.retention.check.interval.ms=300000
zookeeper.connect=localhost:2181
zookeeper.connection.timeout.ms=6000
group.initial.rebalance.delay.ms=0
zookeeper-server-start %KAFKA_HOME%\config\zookeeper.properties
或者执行
%KAFKA_HOME%\bin\windows\zookeeper-server-start %KAFKA_HOME%\config\zookeeper.properties
也可以自己安装zookeeper,kafka启动和其他操作没变
kafka-server-start %KAFKA_HOME%\config\server.properties
或者执行
%KAFKA_HOME%\bin\windows\kafka-server-start %KAFKA_HOME%\config\server.properties
--replication-factor 1 --partitions 1 指定分区和副本数量
kafka-topics --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic test
kafka-topics --list --zookeeper localhost:2181
kafka-console-producer --broker-list localhost:9092 --topic test
kafka-console-consumer --bootstrap-server localhost:9092 --topic test --from-beginning
cmd控制台乱码可忽略
kafka-topics.sh --delete --zookeeper localhost:2181 --topic topicname
kafka tools:https://www.kafkatool.com/download.html
选择kafka的版本和自定义kafka集群名称,其他选择默认
修改消息内容为string类型
https://cloud.tencent.com/developer/article/1818695
https://cloud.tencent.com/developer/article/1818696
start-all.cmd
start %KAFKA_HOME%\bin\windows\zookeeper-server-start %KAFKA_HOME%\config\zookeeper.properties
start %KAFKA_HOME%\bin\windows\kafka-server-start %KAFKA_HOME%\config\server.properties
start %FLINK_HOME%\bin\start-cluster
执行此脚本可以多窗口同时启动 kafka flink