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Lesson 03: Aurora Global Database Deep Dive

Multi-Region Platform Engineering: AWS, Kubernetes, and Aurora at Scale​

Episode 03 of 16 | Duration: 14 minutes

Target Audience: Senior platform engineers, SREs, DevOps engineers (5+ years experience)

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What You'll Learn​

  • Aurora Global Database architecture: One primary region, up to 5 secondary read-only regions
  • Replication lag reality: 45-85ms typical, can spike to seconds during load
  • Promotion procedures: Managed promotion (1 minute) vs manual failover
  • RTO calculation: Promotion time + DNS propagation + connection draining = 2-5 minute actual RTO
  • Aurora vs DynamoDB trade-offs: Consistency and relational features vs eventual consistency and scale

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