№48
Kafka Rejects Records Over 1 MB. LLM Spans Do Not Care.
Devlog 7 min
Corentin Giaufer Saubert
I build software for a living — and write about the work, the traces it leaves, and who I'm becoming along the way.
Writing since 2022 · 48 entries · Software, chess, design, and the occasional detour
Browse by subject
Five threadsThe writing sorts into a handful of topics — pick the one that matches what you're after.
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Go & concurrency
Concurrency patterns, performance trade-offs, and Go code you can reason about.
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Software design & testing
TDD, domain modelling, and the boundaries that make code safer to change.
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Design & culture
Interfaces, Japanese web design, and the context behind design choices.
Latest — Beyond Minimalism: A Japanese-Inspired UX for the Web
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Notes on practice
Books, travel, identity, and the ideas that shape how I work.
Latest — Learn Backward. Act Forward.
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Projects
Building production tools — codegen, transpilers, chess software — and the trade-offs each one exposed.
Latest — Beyond Unicorn: Why I Code-Gen Instead of Emulating
Latest entries
48 total №47
Learn Backward. Act Forward.
Notes on practice 4 min
№46
We Put Full-Text Search in PostgreSQL, Then ClickHouse. Both Were the Wrong Place.
Devlog 6 min
№45
Begin Again Without Pretending Nothing Happened
Notes on practice 5 min
№44
PostgreSQL Was Down Again: Rebuilding LLM Trace Ingestion
Devlog 12 min
№43
The Discipline of Returning
Notes on practice 6 min
№42
GitHub Stacked Pull Requests: What Changed in Preview
Systems & tooling 10 min
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On ne voit bien qu'avec le cœur. L'essentiel est invisible pour les yeux.