Mastering large-scale migrations

Large technical migrations can be fraught with danger, here are some techniques to master these important projects.

Migrations can range from simple data transfers, to complex multi-year digital transformations. It can be as simple as one diff (remember those patch updates for NPM packages), to thousands of developers working for multiple repositories across time zones. As the scale of a migration increases, complexity increases exponentially, with large-scale migrations having multiple potential points of failure. 

That’s all a long way of saying that migrations are hard. They are challenging engineering problems that require grappling with complexity and constantly thinking about failure scenarios and how to rollback.

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