RDS

AWS SAA-C03 Drill: Read-Heavy Database Scaling - The High Availability Trade-off Analysis

23 December 2025·1113 words·6 mins

Architecture Drills AWS SAA-C03 FinOps Decision Matrix Amazon Aurora RDS Database Scaling High Availability

When an e-commerce database can’t keep up with unpredictable read traffic, the solution isn’t just about adding capacity—it’s about choosing the right scaling model that balances performance, availability, and operational simplicity.

AWS SAP-C02 Drill: High Availability Architecture - The Resilience vs. Complexity Trade-off

23 December 2025·1315 words·7 mins

Architecture Drills AWS SAP-C02 FinOps Decision Matrix High Availability Multi-AZ ElastiCache RDS Auto Scaling ELB

This SAP-C02 scenario explores converting a brittle single-instance application stack into a resilient architecture using Multi-AZ RDS, ElastiCache replication, and Auto Scaling—analyzing the FinOps impact and decision logic behind each component choice.

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