Amazon EFS

Auto-Scaling Shared File Storage Trade-offs | SAA-C03

13 January 2026·997 words·5 mins

Architecture Drills AWS SAA-C03 FinOps Decision Matrix Amazon EFS Auto Scaling Storage Architecture

Discover why choosing the right storage architecture for auto-scaling workloads isn’t just about capacity—it’s about understanding shared access patterns, operational overhead, and the hidden costs of complexity.

Pick EFS vs EBS vs S3 for Shared Files | SAA-C03

30 December 2025·1164 words·6 mins

Architecture Drills AWS AWS SAA-C03 FinOps Decision Matrix Amazon EFS Amazon EBS Amazon S3 Storage Architecture Auto Scaling

When migrating file-heavy applications to AWS, the choice between EFS, EBS, and S3 isn’t just about storage—it’s about understanding shared access patterns, scalability models, and operational overhead. This drill dissects the critical trade-offs.

Instance Store to Durable Storage Decision | SAA-C03

29 December 2025·937 words·5 mins

Architecture Drills AWS SAA-C03 FinOps Decision Matrix Amazon EFS EC2 Instance Store Storage Architecture High Availability

When a product catalog lives on volatile instance store, choosing the right persistent storage requires balancing durability, availability, access patterns, and cost—this drill dissects the SAA-C03 logic.

Shared State Storage Decision Trade-offs | SAA-C03

15 December 2025·843 words·4 mins

Architecture Drills AWS SAA-C03 FinOps Decision Matrix Amazon EFS Application Load Balancer Multi-AZ Storage Architecture

When scaling a stateful web application across multiple Availability Zones, local EBS storage creates data silos. This drill explores the architectural decision between EBS replication, session affinity, and shared file systems like Amazon EFS.