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CentOS 7.9 安装 kafka_2.13

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一、CentOS 7.9 安装 kafka_2.13地址

  • https://kafka.apache.org/downloads.html

CentOS 7.9 安装 kafka_2.13

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二、安装准备1 安装JDK
在安装kafka之前必须先安装JDK和zookeeper，如何安装JDK，可以查看：CentOS 7.9 安装 jdk-8u333
2 下载安装zookeeper
如何在CentOS 7 下安装zookeeper，可以查看：CentOS 7.9 安装 zookeeper-3.6.3
二、kafka1 进入Apache官网 http://kafka.apache.org/downloads.html 选择Binary downloads，选择版本进行下载 。
2 wget下载
wget https://archive.apache.org/dist/kafka/3.0.1/kafka_2.13-3.0.1.tgz3 解压
【CentOS 7.9 安装 kafka_2.13】tar -zxvf /opt/software/kafka_2.13-3.0.1.tgz -C /opt/ll /opt/kafka_2.13-3.0.1/4 进入kafka目录
CentOS 7.9 安装 kafka_2.13

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5 启动kafka之前要确保zookeeper已经启动，如果没有启动，执行以下命令
zkServer.sh start6 修改kafka配置文件中的zookeeper地址 ， 打开配置文件
vim /opt/kafka_2.13-3.0.1/config/server.properties# The id of the broker. This must be set to a unique integer for each broker.broker.id=0############################# Socket Server Settings ############################## The address the socket server listens on. It will get the value returned from# java.net.InetAddress.getCanonicalHostName() if not configured.#FORMAT:#listeners = listener_name://host_name:port#EXAMPLE:#listeners = PLAINTEXT://your.host.name:9092listeners=PLAINTEXT://192.168.0...:8091# Hostname and port the broker will advertise to producers and consumers. If not set,# it uses the value for "listeners" if configured.Otherwise, it will use the value# returned from java.net.InetAddress.getCanonicalHostName().#advertised.listeners=PLAINTEXT://your.host.name:9092# A comma separated list of directories under which to store log fileslog.dirs=/opt/kafka_2.13-3.0.1/logs############################# Zookeeper ############################## Zookeeper connection string (see zookeeper docs for details).# This is a comma separated host:port pairs, each corresponding to a zk# server. e.g. "127.0.0.1:3000,127.0.0.1:3001,127.0.0.1:3002".# You can also append an optional chroot string to the urls to specify the# root directory for all kafka znodes.zookeeper.connect=192.168.0.98:2181# Timeout in ms for connecting to zookeeperzookeeper.connection.timeout.ms=180007 新建日志储存路径
mkdir /opt/kafka_2.13-3.0.1/logs8 启动kafka
./bin/kafka-server-start.sh config/server.properties# 后台启动./bin/kafka-server-start.sh -daemon config/server.properties四、设置开机自动启动1 切换到/lib/systemd/system/目录，创建自启动文件
vim /lib/systemd/system/kafka.service[Unit]Description=kafkaserviceAfter=network.target[Service]WorkingDirectory=/opt/kafka_2.13-3.0.1ExecStart=/opt/kafka_2.13-3.0.1/bin/kafka-server-start.sh /opt/kafka_2.13-3.0.1/config/server.propertiesExecStop=/opt/kafka_2.13-3.0.1/bin/kafka-server-stop.shUser=rootGroup=rootRestart=alwaysRestartSec=10[Install]WantedBy=multi-user.target2 设置自启动
systemctl enable kafka.service3 立即启动服务
systemctl start kafka.service4 查看启动状态
systemctl status kafka.service五、Kafka命令测试
1 创建topic
./bin/kafka-topics.sh --bootstrap-server 192.168.0.98:8091 --create --topic iyuyixyz --partitions 2 --replication-factor 12 列出所有topic
./bin/kafka-topics.sh --bootstrap-server 192.168.0.98:8091 --list3 列出所有topic的信息
./bin/kafka-topics.sh --bootstrap-server 192.168.0.98:8091 --describe4 列出指定topic的信息
./bin/kafka-topics.sh --bootstrap-server 192.168.0.98:8091 --describe --topic iyuyixyz5 生产者（消息发送程序）
./bin/kafka-console-producer.sh --broker-list 192.168.0.98:8091 --topic iyuyixyz6 消费者（消息接收程序）
./bin/kafka-console-consumer.sh --bootstrap-server 192.168.0.98:8091 --topic iyuyixyz六、配置系统环境变量
vim /etc/profileexport PATH=$PATH:/opt/kafka_2.13-3.0.1/bin# 使配置生效source /etc/profile七、报错1 zookeeper is not a recognized option
新版已不支持zookeeper参数，需要换成bootstrap-server参数 。
./bin/kafka-topics.sh --create --zookeeper 192.168.0.98:2181 --replication-factor 1 --partitions 1 --topic iyuyixyz原来新版本的kafka，已经不需要依赖zookeeper来创建topic，新版的kafka创建topic指令为下
./bin/kafka-topics.sh --bootstrap-server 192.168.0.98:8091 --create --topic iyuyixyz --partitions 2 --replication-factor 1

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