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Test Impact Analysis

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AI Engineering
AI Engineering
Sep 15, 2026 · Operations

Anthropic's CI Crisis: Scaling Test Impact Analysis After AI Wrote 80% of Code

Anthropic's AI-generated code increased CI jobs 25x, overwhelming their Test Impact Analysis service; they iterated through three patches before redesigning with a distributed journal-based architecture that stabilized queue backlog, teaching them to plan for exponential growth and separate state from process.

AI-generated codeAnthropicCI/CD
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Anthropic's CI Crisis: Scaling Test Impact Analysis After AI Wrote 80% of Code