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名师互学网 > IT > 前沿技术 > 大数据 > 大数据系统

kafka集群搭建&zookeeper集群搭建

kafka集群搭建&zookeeper集群搭建

1.安装准备
jdk-8u162-linux-x64.tar
zookeeper-3.4.12.tar.gz
kafka_2.11-2.0.0 .tgz

2.准备至少三台虚拟机
192.168.196.128
192.168.196.131
192.168.196.132

3.Java环境安装
(略…自行百度)

4.搭建zookeeper集群
在每台主机下执行以下步骤:

移动至/usr/local下:

mv zookeeper-3.4.12.tar.gz /usr/local

解压,重命名:

tar -zxvf zookeeper-3.4.12.tar.gz
mv zookeeper-3.4.12 zookeeper

配置环境变量:

vim /etc/profile

追加以下内容:

#set zookeeper environment
export ZK_HOME=/usr/local/zookeeper
export PATH=$ZK_HOME/bin:$PATH

#set kafka environment
export KAFKA_HOME=/usr/local/kafka
export PATH=${KAFKA_HOME}/bin:$PATH

保存文件后,使修改生效:

source /etc/profile

打开zookeeper配置文件:

cp /usr/local/zookeeper/conf/zoo_sample.cfg /usr/local/zookeeper/conf/zoo.cfg
vim /usr/local/zookeeper/zoo.cfg

修改zookeeper配置文件:

#修改数据文件夹路径
dataDir=/usr/local/zookeeper/data
#在文件末尾添加
server.1=192.168.196.128:2888:3888
server.2=192.168.196.131:2888:3888
server.3=192.168.196.132:2888:3888

创建数据文件夹和myid文件:

mkdir /usr/local/zookeeper/data
touch /usr/local/zookeeper/data/myid

分别在各个机器添加myid信息:

echo "1" > /usr/local/zookeeper/data/myid #kafka-1 192.168.196.128
echo "2" > /usr/local/zookeeper/data/myid #kafka-1 192.168.196.131
echo "3" > /usr/local/zookeeper/data/myid #kafka-1 192.168.196.132

分别在各个机器启动zookeeper:

/usr/local/zookeeper/bin/zkServer.sh start

全部启动后查看状态:

 /usr/local/zookeeper/bin/zkServer.sh status

显示如下则zookeeper集群搭建成功:

5.搭建kafka集群
在每台主机下执行以下步骤:
移动至/usr/local下:

mv kafka_2.11-2.0.0 .tgz /usr/local

解压,重命名:

tar -zxvf kafka_2.11-2.0.0 .tgz
mv kafka_2.11-2.0.0 kafka

配置环境变量:

vim /etc/profile

追加以下内容:

#set kafka environment
export KAFKA_HOME=/usr/local/kafka
export PATH=${KAFKA_HOME}/bin:$PATH

保存文件后,使修改生效:

source /etc/profile

修改server.properties配置文件:

vim /usr/local/kafka/config/server.properties

在kafka-1主机中:

#修改
broker.id=1
listeners=PLAINTEXT://192.168.196.128:9092
zookeeper.connect=192.168.196.128:2181,192.168.196.131:2181,192.168.196.132:2181
offsets.topic.replication.factor=3

在kafka-2主机中:

#修改
broker.id=2
listeners=PLAINTEXT://192.168.196.131:9092
zookeeper.connect=192.168.196.128:2181,192.168.196.131:2181,192.168.196.132:2181
offsets.topic.replication.factor=3

在kafka-3主机中:

#修改
broker.id=3
listeners=PLAINTEXT://192.168.196.132:9092
zookeeper.connect=192.168.196.128:2181,192.168.196.131:2181,192.168.196.132:2181
offsets.topic.replication.factor=3

在每台机器上分别启动kafka

/usr/local/kafka/bin/kafka-server-start.sh -daemon config/server.properties

(测试)在其中一台机器上创建topic:

/usr/local/kafka/bin/kafka-topics.sh --create --zookeeper 192.168.196.128:2181,192.168.196.131:2181,192.168.196.132:2181 --replication-factor 3 --partitions 3 --topic test-topic

(测试)查看创建的topic信息:

/usr/local/kafka/bin/kafka-topics.sh --create --zookeeper 192.168.196.128:2181,192.168.196.131:2181,192.168.196.132:2181 --replication-factor 3 --partitions 3 --topic test-topic

(测试)选其中一台机器创建生产者:

bin/kafka-console-producer.sh --broker-list 192.168.196.128:9092 -topic test-topic

(测试)另外两台机器创建消费者:

bin/kafka-console-consumer.sh --bootstrap-server 192.168.196.128:9092,192.168.196.131:9092,192.168.196.132:9092 --topic test-topic2 --from-beginning

尝试发送消息,收到则部署成功!

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