Aurora

AWS SAA-C03 Drill: Lambda Scalability & Database Coupling - The Decoupling Trade-off Analysis

25 December 2025·899 words·5 mins

Architecture Drills AWS SAA-C03 FinOps Decision Matrix Lambda SQS Aurora Decoupling Scalability

When Lambda quota limits block scalability, the solution isn’t always more compute—it’s architectural decoupling. Learn why SQS-based buffering beats refactoring to EC2 or switching databases.

AWS SAA-C03 Drill: Database Credential Management - The Operational Overhead vs. Security Trade-off Analysis

23 December 2025·951 words·5 mins

Architecture Drills AWS SAA-C03 FinOps Decision Matrix AWS Secrets Manager Aurora Security Operational Excellence

A healthcare SaaS company needs to eliminate hardcoded credentials on EC2 instances connecting to Aurora. We analyze four approaches through the lens of operational overhead, security posture, and FinOps impact—revealing why native secret rotation beats encryption-at-rest solutions.

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