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technologyreview.com·3h ago
Security
Cloudflare Blog·25d ago·5 min read
Improving Smart Tiered Cache for Public Cloud Regions
TL;DR
Cloudflare enhanced its Smart Tiered Cache to better support public cloud origins by allowing users to provide region hints. This improvement enables more accurate mapping of origins to data centers, optimizing cache efficiency.
✦ Why It Matters
Engineers can implement region hints in their Cloudflare configurations to optimize cache performance for public cloud origins.
Key Takeaways
- Enable region hints for anycast origins in the Cloudflare dashboard.
- Utilize the API or Terraform for bulk region hint configuration.
- Monitor cache performance improvements after implementing region hints.
- Stay updated on future enhancements for more cloud providers.
How It Works
Smart Tiered Cache measures latency from multiple Cloudflare data centers to the origin's IP. By detecting anycast origins through latency patterns, it can avoid selecting a single upper tier, instead opting for multiple tiers to balance traffic.
Users can specify region hints, allowing the system to intelligently select the best upper tier based on real-time data.