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infoq.com·5 min read·hard

How Datadog Used Claude and Cursor for Test-Driven Production Migration

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Sergio De Simone
How Datadog Used Claude and Cursor for Test-Driven Production Migration
✦AI Summary

Datadog engineers successfully refactored their Stream Router API by using AI tools Claude and Cursor to assist in a test-driven migration from a key-value model to a relational database schema. The process relied on strong modularity and a parallel infrastructure to ensure system stability.

Why it matters

This case study demonstrates the practical, productivity-enhancing application of AI in complex software engineering and legacy system modernization.

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The article is a technical case study focused on engineering methodology.

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