Setup 3 node Kafka Cluster:

In this section, you will setup a Kafka cluster on 3 Arm machines. Ensure that the 3 Node Zookeeper cluster is running.

Node 1:

Run the commands shown to download and setup Kafka on node 1:

    

        
        
            mkdir kafka_node1
cd kafka_node1
wget https://dlcdn.apache.org/kafka/3.5.0/kafka_2.13-3.5.0.tgz
tar -xzf kafka_2.13-3.5.0.tgz
cd  kafka_2.13-3.5.0
        
    

Use a file editor of your choice and replace the contents in config/server.properties with the contents below:. Replace zk_1_ip,zk_2_ip and zk_3_ip with the IP addresses of the 3 Zookeeper nodes you setup.

    

        
        
            broker.id=1 

listeners=PLAINTEXT://:9092 

log.dirs=/tmp/kafka-logs 

zookeeper.connect=zk_1_ip:2181,zk_2_ip:2181,zk_3_ip:2181 
        
    

Create a directory for the log files:

    

        
        
            mkdir /tmp/kafka-logs
        
    

Start Kafka server on node 3:

    

        
        
            bin/kafka-server-start.sh config/server.properties
        
    

Node 2:

Run the commands shown to download and setup Kafka on node 2:

    

        
        
            mkdir kafka_node2
cd kafka_node2
wget https://dlcdn.apache.org/kafka/3.5.0/kafka_2.13-3.5.0.tgz
tar -xzf kafka_2.13-3.5.0.tgz
cd  kafka_2.13-3.5.0
        
    

Use a file editor of your choice and replace the contents in config/server.properties with the contents below:. Replace zk_1_ip,zk_2_ip and zk_3_ip with the IP addresses of the 3 Zookeeper nodes you setup.

    

        
        
            broker.id=2 

listeners=PLAINTEXT://:9092

log.dirs=/tmp/kafka-logs

zookeeper.connect=zk_1_ip:2181,zk_2_ip:2181,zk_3_ip:2181
        
    

Create a directory for the log files:

    

        
        
            mkdir /tmp/kafka-logs
        
    

Start Kafka server on node 2:

    

        
        
            bin/kafka-server-start.sh config/server.properties
        
    

Node 3:

Run the commands shown to download and setup Kafka on node 3:

    

        
        
            mkdir kafka_node3
cd kafka_node3
wget https://dlcdn.apache.org/kafka/3.5.0/kafka_2.13-3.5.0.tgz
tar -xzf kafka_2.13-3.5.0.tgz
cd  kafka_2.13-3.5.0
        
    

Use a file editor of your choice and replace the contents in config/server.properties with the contents below:. Replace zk_1_ip,zk_2_ip and zk_3_ip with the IP addresses of the 3 Zookeeper nodes you setup.

    

        
        
            broker.id=3 

listeners=PLAINTEXT://:9092 

log.dirs=/tmp/kafka-logs

zookeeper.connect=zk_1_ip:2181,zk_2_ip:2181,zk_3_ip:2181
        
    

Create a directory for the log files:

    

        
        
            mkdir /tmp/kafka-logs
        
    

Start Kafka server on node 3:

    

        
        
            bin/kafka-server-start.sh config/server.properties
        
    

In the next section, you will verify that the Kafka cluster is working.

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