Databases

4 items

Flash Sale / Ticketmaster — concurrency , consistency , databases and +2 more
A high-resiliency architecture for extreme traffic bursts, utilizing virtual waiting rooms and atomic inventory management to ensure fair distribution under load.
Payment System — consistency , data-flows , databases and +2 more
A high-integrity architecture for global payment gateways and internal ledgers, emphasizing rigorous idempotency, eventual consistency, and deterministic recovery.
Proximity Service for Maps — caching , databases , geospatial and +1 more
An optimized system design for discovering nearby points of interest with ultra-low latency; deeply focusing on efficient spatial indexing via Geohashing, Quadtrees, and read-heavy caching tiers.
SQL vs. NoSQL — consistency , databases , replication
A decision-making framework for choosing between SQL (relational, strict ACID) and NoSQL (distributed, flexible schemas) databases, evaluating data structures, horizontal scalability needs, and tunable consistency requirements.