Kafka Tutorial: Kafka Clusters, Consumer Failover, and Broker Failover - 2025 Edition
🚀 What’s New in This 2025 Update
Major Updates and Changes
- KRaft Mode - No ZooKeeper! Native consensus with Raft
- Faster Failover - Sub-second leader election
- Improved Rebalancing - KIP-848 protocol for smooth transitions
- Enhanced Monitoring - Built-in health checks and metrics
- Cloud-Native - Kubernetes operators and auto-scaling
- Multi-Region - Cross-datacenter replication patterns
High Availability Evolution Since 2017
- ✅ No External Dependencies - KRaft eliminates ZooKeeper
- ✅ Faster Recovery - Millisecond failover times
- ✅ Better Observability - Detailed failover metrics
- ✅ Automated Operations - Self-healing clusters
Ready to build bulletproof Kafka clusters? Let’s explore failover, high availability, and fault tolerance with hands-on examples!