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Jan 26, 2021 · Databases

How OPPO Turned MongoDB from a Niche DB into a Core, Scalable, Multi‑Data‑Center System

This article details OPPO's journey of adopting MongoDB at massive scale, addressing common misconceptions, designing multi‑data‑center active‑active architectures, optimizing thread models and migration processes, and applying performance‑boosting techniques that yielded multi‑fold improvements for trillion‑row clusters.