https://github.com/rlnkoo/kafka-producer

Kafka example of serialize and deserialize code
https://github.com/rlnkoo/kafka-producer

java kafka spring

Last synced: 18 days ago
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Kafka example of serialize and deserialize code

• Host: GitHub
• URL: https://github.com/rlnkoo/kafka-producer
• Owner: rlNkoo
• Created: 2024-11-01T07:25:52.000Z (19 days ago)
• Default Branch: master
• Last Pushed: 2024-11-01T07:35:34.000Z (19 days ago)
• Last Synced: 2024-11-01T08:24:53.565Z (19 days ago)
• Topics: java, kafka, spring
• Language: Java
• Homepage:
• Size: 0 Bytes
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Kafka Producer Application

This project contains a simple producer application for Apache Kafka, demonstrating how to set up and run Kafka locally. Apache Kafka is a distributed streaming platform that allows you to publish, subscribe to, store, and process data in real time.

## Introduction

Follow these instructions to set up Apache Kafka and run a producer and consumer application in your local environment.

## Starting Zookeeper and Kafka

Apache Kafka relies on Zookeeper to manage brokers and handle distributed synchronization. Start the Zookeeper server and Kafka server in separate terminal windows.

### 1. Start Zookeeper Server

Run the following command to start the Zookeeper server:

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

### 2. Start Kafka Server / Broker

In another terminal window, start the Kafka broker (server) with:

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

### 3. Create a Topic

To create a new Kafka topic, use the following command. Replace NewTopic with your desired topic name. This topic will have 3 partitions and a replication factor of 1:

sh bin/kafka-topics.sh --bootstrap-server localhost:9092 --create --topic NewTopic --partitions 3 --replication-factor 1

### 4. List All Topic Names

To view all existing Kafka topics, use:

sh bin/kafka-topics.sh --bootstrap-server localhost:9092 --list

### 5. Describe Topics

To get details about a specific topic (e.g., NewTopic), use:

sh bin/kafka-topics.sh --bootstrap-server localhost:9092 --describe --topic NewTopic

### 6. Produce a Message

You can produce messages to the NewTopic topic by using the console producer. After running this command, type messages and press Enter to send them:

sh bin/kafka-console-producer.sh --broker-list localhost:9092 --topic NewTopic

### 7. Consume Messages

To consume messages from the NewTopic topic, use the console consumer. This command will show messages from the beginning of the topic:

sh bin/kafka-console-consumer.sh --bootstrap-server localhost:9092 --topic NewTopic --from-beginning