Chaff • Engineering Lessons Learned

Chaff • Engineering Lessons Learned

Tech Blogs Digest 22.12 - 04.01

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Engineering Lessons Learned
Jan 09, 2026
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This time we cover 2 weeks, as it turns out no one writes good stuff on the Christmas week.

We AI-analysed 9322 posts for you, filtered out the chaff and hand-picked the wheat. Subscribe to stay up to date with future digests!

This week
  1. 🏗️ Architecture - AWS multi-region deployments.

  2. 🧮 Data Science - Graph neural networks for forestry, optimised AI/ML data pipelines and more.

  3. 🤖 LLMs in production - comprehensive guides for AI agents and RAG, long context compaction + more.

  4. ⚙️ DevOps - usual DevOps stuff.

  5. 🛡️ Security - XSS, SQL and RCE injections for LLMs.

  6. 🐍 Python - marrying Rust‑powered quadtree with Python.


🏗️ ARCHITECTURE

  • AWS Multi-Region Deployment Best Practices | 13 min read

A team learned that naive multi-region setups fail in real outages, and only specific patterns actually survive regional failures.

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