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Apr 7, 2020 · Databases

How Pharos Accelerates HBase Multi‑Condition Queries with Low‑Latency Indexing

This article examines Pharos, Everbright Bank's home‑grown HBase indexing middleware, detailing why existing secondary‑index solutions fall short, the design goals of low latency, simple architecture and non‑intrusiveness, and the concrete storage, pagination, and transaction‑consistency techniques that enable fast complex queries on massive data.