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JD Retail Technology
JD Retail Technology
Apr 11, 2022 · Frontend Development

Low‑Impact Migration of Legacy Velocity Templates to a Modern Frontend Architecture

This article outlines a four‑step, low‑impact migration strategy that transforms legacy Java‑based Velocity template systems into a hybrid Velocity + MVC + MVVC architecture, introduces single‑file componentization, builds a local sandbox with hot‑module replacement, and ultimately achieves full frontend‑backend separation using Vue.

VelocityVuecomponentization
0 likes · 8 min read
Low‑Impact Migration of Legacy Velocity Templates to a Modern Frontend Architecture
Efficient Ops
Efficient Ops
Mar 12, 2017 · Operations

How Tencent Saved 8 Million QQ Users by Migrating Legacy Services

This article recounts how Tencent's operations team tackled the urgent migration of aging data‑center infrastructure to preserve service for 8 million legacy QQ users, detailing the challenges, strategic choices, IP‑level network relocation, and the DevOps practices that ensured a successful cut‑over.

DevOpsTencentdata center
0 likes · 15 min read
How Tencent Saved 8 Million QQ Users by Migrating Legacy Services