CloudFront A/B Testing Without Cache Fragmentation: The Shadow Origin Pattern

📰 Dev.to · felipecarrillo100

Learn the Shadow Origin Pattern to implement A/B testing on AWS CloudFront without cache fragmentation

intermediate Published 17 Mar 2026
Action Steps
  1. Set up a CloudFront distribution
  2. Configure the Shadow Origin Pattern
  3. Create separate origins for A/B testing
  4. Route traffic to the shadow origin
  5. Monitor cache performance and adjust as needed
Who Needs to Know This

DevOps and software engineering teams can benefit from this pattern to optimize their CloudFront configurations and improve cache performance

Key Insight

💡 The Shadow Origin Pattern helps prevent cache fragmentation during A/B testing on CloudFront

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🚀 Boost CloudFront performance with the Shadow Origin Pattern for A/B testing! 📈

Key Takeaways

Learn the Shadow Origin Pattern to implement A/B testing on AWS CloudFront without cache fragmentation

Full Article

Master the Shadow Origin Pattern to implement high-performance A/B testing on AWS without destroying your Cache Hit Ratio.
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