在Ubuntu上配置Kafka涉及多个步骤,包括安装Java和Zookeeper、配置Kafka以及启动服务。以下是详细的步骤:
首先,确保你的系统上安装了Java运行环境(JRE)。你可以使用以下命令来安装OpenJDK 8:
sudo apt update
sudo apt install openjdk-8-jdk
验证Java安装成功:
java -version
下载并解压Zookeeper:
wget https://archive.apache.org/dist/zookeeper/zookeeper-3.4.6/zookeeper-3.4.6.tar.gz
tar xvf zookeeper-3.4.6.tar.gz
sudo mv zookeeper-3.4.6 /usr/local/zookeeper
配置Zookeeper:
sudo cat > /usr/local/zookeeper/conf/zoo.cfg << EOF
tickTime=2000
dataDir=/var/lib/zookeeper
clientPort=2181
EOF
启动Zookeeper:
sudo /usr/local/zookeeper/bin/zkServer.sh start
验证Zookeeper是否启动成功:
sudo netstat -nap | grep 2181
下载Kafka安装包并解压:
wget https://downloads.apache.org/kafka/3.5.2/kafka_2.12-3.5.2.tgz
tar -xzf kafka_2.12-3.5.2.tgz
sudo mv kafka_2.12-3.5.2 /usr/local/kafka
编辑Kafka的配置文件server.properties
:
sudo cp /usr/local/kafka/config/server.properties /usr/local/kafka/config/server.properties.orig
sudo vi /usr/local/kafka/config/server.properties
修改以下配置项:
listeners
: 设置Kafka监听的地址和端口。advertised.listeners
: 设置Kafka对外暴露的地址和端口。zookeeper.connect
: 设置Zookeeper的连接地址。示例配置:
listeners=PLAINTEXT://:9092
advertised.listeners=PLAINTEXT://your.kafka.server.ip:9092
zookeeper.connect=localhost:2181
启动Kafka服务:
sudo /usr/local/kafka/bin/kafka-server-start.sh /usr/local/kafka/config/server.properties
验证Kafka是否启动成功:
sudo netstat -nap | grep 9092
创建一个测试Topic:
sudo /usr/local/kafka/bin/kafka-topics.sh --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic test
发布消息到Topic:
sudo /usr/local/kafka/bin/kafka-console-producer.sh --broker-list localhost:9092 --topic test
订阅并消费消息:
sudo /usr/local/kafka/bin/kafka-console-consumer.sh --zookeeper localhost:2181 --topic test --from-beginning
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