Database Replication using Apache Kafka

Table of Contents

• Features
• Prerequisites
• Setup
  • Install and Setup Kafka
  • Start Zookeeper
  • Start Kafka Server
  • Create a Kafka Topic
  • Enable SQL Server Change Tracking
• Usage

Features

• Real-time replication between two databases.
• Uses Apache Kafka for change data capture.
• SQL Server Change Tracking enabled for efficient change detection.

Prerequisites

• SQL Server with Change Tracking enabled.
• Apache Kafka and Zookeeper installed.

Setup

Install and Setup Kafka

Download and install Kafka from the Apache Kafka website.

Start Zookeeper

Start Zookeeper using the following command:

.\bin\windows\zookeeper-server-start.bat .\config\zookeeper.properties.

Start Kafka Server

.\bin\windows\kafka-server-start.bat .\config\server.properties

Create a Kafka Topic

Create a Kafka topic named test-topic:

.\bin\windows\kafka-topics.bat --create --topic test-topic --bootstr

Start Kafka using this command:

.\bin\windows\kafka-server-start.bat .\config\server.properties Create a Kafka Topic Create a Kafka topic named test-topic: .\bin\windows\kafka-topics.bat --create --topic test-topic --bootstrap-server localhost:9092 --partitions 1 --replication-factor 1

Enable SQL Server Change Tracking

Enable change tracking on your SQL Server

Usage

Send data to Kafka using Kafka producers. Receive data from Kafka consumers and apply changes to the second database.