System Design - cost-optimization
#01 Databases
Build a Hot-Cold Tiered Storage System Premium
Design an automated data tiering system that keeps frequently accessed data on fast NVMe SSDs, migrates aging data to object storage, and retrieves cold data transparently on access without application changes.
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#02 Cost Optimization
Build an Infrastructure Cost Attribution System Premium
Design a cloud cost attribution system that tags every compute, storage, and network resource to the team and service that owns it, updates cost breakdowns in near real-time, and surfaces anomalous spend spikes.
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