Efficient Ops
Mar 7, 2017 · Big Data
How Tencent Scaled Its TDW to 8,800 Nodes and Mastered Cross-City Data Migration
Tencent’s senior engineer explains how the TDW (Tencent Distributed Data Warehouse) grew from a few hundred to thousands of nodes, the challenges of cross‑city migration, and the modeling, relationship‑chain, dual‑write tables, and platform strategies they built to ensure seamless, low‑impact data and task migration.
Data MigrationTDWbig data
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