Architecture Notes

How Relational Databases Work. This post talks about how indexes and transactions work on the inside of relational databases. architecturenotes.co/things-you-sho…

America outsourced manufacturing, then the skills to design what gets manufactured. Software is next. mahdiyusuf.com/the-journey-wa…

I built more with AI agents in two months than the previous year. I used almost none of it. The real productivity gain isn't building—it's using. mahdiyusuf.com/your-agent-is-…

Why your coding agent keeps undoing your architecture mahdiyusuf.com/why-your-codin…

Wrote something about the importance of the code generation and library use in the context of agents. mahdiyusuf.com/agents-didnt-k…

Building GenAI infra isn’t theory—it’s hard-won experience. Learn from 60+ engineers who’ve scaled LLMs, vector stores & RAG pipelines at QCon SF 2025. What worked. What failed. What to avoid.

Architecture Notes Weekly: Trio out now! Why pgvector might not cut it in production How bloom filters fail at scale Why LLMs can’t replace hands-on learning Plus: slashing cloud costs and Postgres as a lakehouse system Join thousands of engineers! Don’t miss out 🚀

Architecture Notes Weekly: Generator out now! How AWS serves 1 petabyte per second on old hard drives The 14-hour outage that killed Slack, Signal, and Premier League Building a key-value database from scratch with LSM trees Join thousands of engineers! Don't miss out! 🚀

Methodologies

Goodbye, Fingerspitzengefühl? architecturenotes.co/p/the-cost-of-…

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Arc Notes Weekly #93: Flexible is out now! 1. How AI is transforming software development workflows 2. Hidden pitfalls in REST API design you should avoid 3. The secrets behind blazing-fast log search engines Join 65,312 subscribers! Don’t miss out! 🚀

Arc Notes Weekly #92: Lemon is out now! 1. How Let’s Encrypt scaled to handle a billion certificates 2. Uber’s MySQL strategies for powering billions of rides 3. Why dependency management needs a major shift Join 65,312 subscribers! Don’t miss out!