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Apache Kafka is a powerful distributed streaming platform. But for high availability and increased throughput, running a single Kafka server might not be enough. This blog post will guide you through setting up a multi-node Kafka cluster using the KRaft protocol. What You'll Need: Multiple servers with Kafka installed SSH access to each server Step 1: Configure Server IDs Navigate to the config/kraft directory within your Kafka installation on each server. Grant write permissions for the current user: Bash sudo chmod -R u+w /opt/kafka/config/kraft 3. Copy the existing server.properties file and rename it for each server: Bash sudo cp -f server.properties server1.properties sudo cp -f server.properties server2.properties sudo cp -f server.properties server3.properties 4.Edit each server's configuration file and update the node.id property with a unique value: server1.properties : node.id=1 server2.properties : node.id=2 server3.properties : node.id=3 Step 2: D...

Getting Started with Kafka in Kraft Mode: A Step-by-Step Guide Kafka is a powerful platform for real-time data processing. Traditionally, it relied on ZooKeeper for controller election and state management. However, Kraft mode, introduced in Kafka 3.0, offers significant improvements in reliability, performance, and manageability. This blog post provides a step-by-step guide to running Kafka in Kraft mode, helping you unlock its benefits. Let's dive in! Understanding Kafka Configuration Files: Navigating the Configuration Directory: Bash cd /opt/kafka ls config/kraft This command navigates to the Kafka configuration directory and lists files specific to Kraft mode. Configuration File Breakdown: broker.properties : This file manages topic partitioning and data storage/retrieval. controller.properties : Here lies the configuration for Kraft-based leader election. server.properties : This file combines the settings of both broker.properties and controller.properties for a strea...

This blog post guides you through setting up a basic Kafka environment on Google Cloud Platform for learning purposes. Kafka is a powerful distributed event streaming platform used for real-time data processing. We'll walk through launching a Kafka cluster, creating a topic, and sending and consuming messages. Kafka is a distributed event streaming platform that lets you read, write, store, and process events (also called records or messages in the documentation) across many machines. Prerequisites: A Google Cloud Platform account Steps: Deploying Kafka: Head over to the Google Cloud Marketplace: https://console.cloud.google.com/marketplace/product/google/kafka Click on "LAUNCH" and proceed with the deployment configuration. Important: For service account, you can choose an existing one or create a new one with appropriate permissions. Select a deployment region closest to you for optimal performance. Keep the disk space settings at default for this learning exe...