CASE STUDY: TechStream Gaming. 500 emp, $100M rev. On-prem US/EU, 200 servers, MySQL 5TB. 2M peak users. $100K/mo cost. Req: Cut cost 40%, 5x growth, 3 new regions, daily deploys. CEO: Scale fast. CFO: <$100K/mo, 18mo ROI. CTO: Low cloud skills, 99.95% uptime. Tech: <100ms latency, real-time analytics, 5x spikes, EU data residency, DDoS protection, CI/CD. Constraints: 12mo migration, 4hr downtime, 20 devs (Java/MySQL), 5 ops (no cloud), $2M budget.
Which migration strategy should you recommend for the legacy monolithic application to meet the 12-month timeline and team skill constraints?
GCP PCA · Question 03 · Domain 1: Designing and Planning a Cloud Solution Architecture
CASE STUDY: TechStream Gaming. 500 emp, $100M rev. On-prem US/EU, 200 servers, MySQL 5TB. 2M peak users. $100K/mo cost. Req: Cut cost 40%, 5x growth, 3 new regions, daily deploys. CEO: Scale fast. CFO: <$100K/mo, 18mo ROI. CTO: Low cloud skills, 99.95% uptime. Tech: <100ms latency, real-time analytics, 5x spikes, EU data residency, DDoS protection, CI/CD. Constraints: 12mo migration, 4hr downtime, 20 devs (Java/MySQL), 5 ops (no cloud), $2M budget.
Which database migration strategy meets the 4-hour downtime constraint and EU data residency requirement?
Answer options:
Export MySQL to Cloud Storage, then import to Cloud SQL.
Use Database Migration Service to replicate to Cloud SQL in an EU region.
Migrate to global Cloud Spanner using Dataflow.
Use Transfer Appliance to ship the 5TB database to a US region.
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