Aikesheng Open Source Community
Sep 18, 2019 · Databases
Understanding gh-ost Online DDL Migration Process and Cut‑over Mechanics
This article explains the internal workflow of the gh‑ost online DDL tool, covering its execution steps, binlog handling, data consistency analysis, cut‑over process, lock management, and failure scenarios, with detailed code examples and practical insights for safe schema changes in MySQL.
BinlogMySQLcut-over
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