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The article explains RocksDB’s LSM‑based architecture, column‑family isolation, and snapshot features, and shows how Vivo’s VPUSH mapping service uses these capabilities to store billions of registerId‑to‑ClientId mappings with high‑concurrency, low‑cost, fault‑tolerant performance across multiple replicated servers.
The article explains RocksDB’s LSM‑based architecture, column‑family isolation, and snapshot features, and shows how Vivo’s VPUSH MappingTransformServer uses these capabilities with C++ code to store billions of registerId‑to‑ClientId mappings across multiple replicated servers for high‑concurrency, low‑latency, and fast service expansion.
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This article explains the limitations of traditional relational databases, introduces the emergence of NoSQL, categorizes its four main types—key‑value, document‑oriented, column‑family, and graph—detailing popular products, typical use cases, and scenarios where each is unsuitable.