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Lessons (5)

• Multi-Region and Disaster Recovery

  … be lost in a disaster. - RTO (Recovery Time Objective): maximum acceptable time until recovery. RTO of 30 minutes …

• Drift, Troubleshooting, and Disaster Recovery

  … Prefer this to the older taint workflow. -target is an exceptional recovery tool. It produces a partial view …

• Resilience, Disaster Recovery and Multi-Region Design

  … EBS / EC2 Snapshots copied cross-region; AWS Elastic Disaster Recovery for servers Secrets / KMS Multi-region secrets and …

• DynamoDB Modeling, RDS Scaling and Data Resilience

  … second of lag, for low-latency reads and disaster recovery. - ElastiCache (Redis or Valkey) absorbs repeated reads. - Fix …

• Brokers, Replication & Durability

  … or Cluster Linking copy topics between clusters for disaster recovery and geo-locality. mermaid flowchart LR subgraph AZ1 …