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Jun 6, 2024 · Backend Development

Designing a Billion-User Social Platform: Architecture, Scaling, and Reliability Strategies

This article presents a comprehensive, step‑by‑step guide to building large‑scale backend systems—including microservice decomposition, CDN and cache layers, message queues, database sharding, read/write splitting, Elasticsearch search, distributed transaction handling, multithreaded data migration, and massive counting services—illustrated with real‑world examples and practical metrics.