Kafka in-cluster replication won't save you from a regional outage. You need a battle-tested Multi-Region strategy.
Read this to master:
- RPO/RTO trade-offs for global scale
- Active-Active vs. Stretched Clusters (3-DC & 2.5-DC)
- Solving the offset translation nightmare
- Real-world failover testing
https://softwaremill.com/guide-to-apache-kafka-disaster-recovery-and-multi-region-architectures/
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